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2373 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
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4ea956963f |
media updates for v6.4-rc1
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE+QmuaPwR3wnBdVwACF8+vY7k4RUFAmRHgagACgkQCF8+vY7k 4RWmZQ//dcAgFS36a86xhEzyXZUeUmXly1hd8fzZsxEhYniIitIKGqVkEXPfqPaK JkQQ4t/NJVXQNajZjJaUlPpb/ssxV8jIJiOPdWfUZi0sa4mlllLunv1wu9EMlP9S ED46kFWA5aM39PUCIIgmnj+3qovWP8bhywhn/6iE+XCHtXcLWGRIQLWFAjRjwLSM sFvejrh//uYXWoaZxtVZ6RgU9XR37ekI1h2TiU3I4HMt2v/ytqS8AByNCxhfdB5d v+2Kuob6D6vgik2+HCayKjJqv0/2OT7mJELqUOh2zJdgua4fwJgu4hqK6CqUaarT bP5ycCKs+8QGnf7a83rN2Ul9HbF28v23gCJDUp/x229ScPPmcglyXHXx2mjgcArf blMMdswSF2ya4AbOGfRM2/roHghZDl3CK86l4ylU8Wgehvftip6FgktWDXtKy+iM hogFDBn72V8p2mvkUMDXBHQmS3H4YYRWO2LRLXlgcMDfjh79Mrj7YpvC+ceyE8Z1 +Qc+uTxOeA9v9yE8Axs/VV0gsUsUEkmRdoFZ2x+lCYUMLxarz+qxtfTX3W6D3eFH xIJVt+Mz7K/LarUTNKo+qqXRTyuw2HevIvWmpZ2g4stID0u889WPeVQMZJVz0hns N/DnWrIeM9dtbHfZiNK7q7bpO98PI3GgQR2fj9HtuQcJoaRIp08= =ocor -----END PGP SIGNATURE----- Merge tag 'media/v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - Removal of some old unused sensor drivers: ad9389b, m5mols, mt9m032, mt9t001, noon010pc30, s5k6aa, sr030pc30 and vs6624 - New i.MX8 image sensor interface driver - Some new RC keymaps - lots of cleanups at atomisp driver to make it support standard features present on other webcam drivers - the cx18 and saa7146 now uses VB2 - lots of cleanups and driver improvements * tag 'media/v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (460 commits) media: ov5670: Fix probe on ACPI media: nxp: imx8-isi: Remove 300ms sleep after enabling channel media: nxp: imx8-isi: Replace udelay() with fsleep() media: nxp: imx8-isi: Drop partial support for i.MX8QM and i.MX8QXP media: nxp: Add i.MX8 ISI driver media: dt-bindings: media: Add i.MX8 ISI DT bindings media: atomisp: gmin_platform: Add Lenovo Ideapad Miix 310 gmin_vars media: atomisp: gmin_platform: Make DMI quirks take precedence over the _DSM table media: atomisp: Remove struct atomisp_sub_device index field media: atomisp: Drop support for streaming from 2 sensors at once media: atomisp: Remove atomisp_try_fmt() call from atomisp_set_fmt() media: atomisp: Remove unused ATOM_ISP_MAX_WIDTH_TMP and ATOM_ISP_MAX_HEIGHT_TMP media: atomisp: Remove snr_mbus_fmt local var from atomisp_try_fmt() media: atomisp: Remove custom V4L2_CID_FMT_AUTO control media: atomisp: Remove continuous mode related code from atomisp_set_fmt() media: atomisp: Remove duplicate atomisp_[start|stop]_streaming() prototypes media: atomisp: gc0310: Switch over to ACPI powermanagement media: atomisp: gc0310: Use devm_kzalloc() for data struct media: atomisp: gc0310: Add runtime-pm support media: atomisp: gc0310: Delay power-on till streaming is started ... |
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Linus Torvalds
|
736b378b29 |
slab changes for 6.4
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEe7vIQRWZI0iWSE3xu+CwddJFiJoFAmRCSGEACgkQu+CwddJF iJpA2wgAkwMP++Znd8JU3iQ4N53lv18euNuEMLTOY+jk7zXHvsRX8KyzLmsohUKO SSGVi1Om785AidOsJhARJawW7AWYuJ5l7ri+FyskTwrTUcMC4UZ/IT2tB22lRsXi 0f3lgbdArZbj7aq7AVO9N7bh9rgVUHa/RHIwXzMp0sc9nekne9t+FFv7tyRnr7cc SMp/FdMZqbt9pVf0Uwud1BpdgER7QqQaSfaxITL7D2oJTePRZVWiXerrr4hMcQl1 s6kgUgKdlaYmIx2N8eP1Nmp7undtwHo1C8dLLWKGCEuEAaXIxtXUtaUWFFmBDzH9 Fv6qswNFcfwiLNPsY+xi9iA+vlGKAg== =T0EM -----END PGP SIGNATURE----- Merge tag 'slab-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab Pull slab updates from Vlastimil Babka: "The main change is naturally the SLOB removal. Since its deprecation in 6.2 I've seen no complaints so hopefully SLUB_(TINY) works well for everyone and we can proceed. Besides the code cleanup, the main immediate benefit will be allowing kfree() family of function to work on kmem_cache_alloc() objects, which was incompatible with SLOB. This includes kfree_rcu() which had no kmem_cache_free_rcu() counterpart yet and now it shouldn't be necessary anymore. Besides that, there are several small code and comment improvements from Thomas, Thorsten and Vernon" * tag 'slab-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: mm/slab: document kfree() as allowed for kmem_cache_alloc() objects mm/slob: remove slob.c mm/slab: remove CONFIG_SLOB code from slab common code mm, pagemap: remove SLOB and SLQB from comments and documentation mm, page_flags: remove PG_slob_free mm/slob: remove CONFIG_SLOB mm/slub: fix help comment of SLUB_DEBUG mm: slub: make kobj_type structure constant slab: Adjust comment after refactoring of gfp.h |
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Linus Torvalds
|
15bbeec0fe |
Update for entry and ptrace:
Provide a ptrace set/get interface for syscall user dispatch. The main purpose is to enable checkpoint/restore (CRIU) to handle processes which utilize syscall user dispatch correctly. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmRGgIETHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYockhEACWVd/KOBlQIdUMpM3jfSWsm+VZrITg sKN2WCKaz8MS5RA7xTAfZIEqMzkI0V+GPoj+8eK70W39XFU/PlSQo8LUFahSxVHF RVyz4zFKeR2XZpDa8J3ytoOvngiAnpOUflssvfA0+f3gq/B48jgLmj8XsrkmkL2T 6txRpusYNlzVTBoza0+1uEmxBTNhRxvURXa6OR/l24Kbh2udyNd6dlAoRHBV0iOW qn7ILgoYIr/74ChCbrr8yZe2rZ+BqqlS1fsjDWkuUqq9AgzeuOjGJnZtMKG6WbGg /NBj0Ewe7gsgZwBo7t4MbKNF7bXRkLczp8BX/l9xOTe+mpZ+LyNIHvOM3/TD6O1A NFJNwTAGAnhU5Uoba9HzaKYZZnanqgLxuszXznJDU3zKV5pCNMNzlKxjPT73Jzsl T1WTCyhSydluSuhOHLU4awC38pqVEQwichx98c9agIBPo7kxkb5RcTVq223wOSeI h8otkecJ6U+gmjNDHnRtNBzykEIjVFjgiSBYGTr+/6ek2Myf0O/RMr13oe9OZG5R jaKyjcDIADbYRow1rXfEs7Bq42K8rIkbVZvEEK/auYRUFngAoQ3l090i9wj6ViXf 7CqAjCC1K1BBxbqQwf0YLuDXCzUaXxcWfvNGEGEGs/NYDuu291QntGSFSxsJgsym HXvO4NzHOHi13A== =AS+6 -----END PGP SIGNATURE----- Merge tag 'core-entry-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core entry/ptrace update from Thomas Gleixner: "Provide a ptrace set/get interface for syscall user dispatch. The main purpose is to enable checkpoint/restore (CRIU) to handle processes which utilize syscall user dispatch correctly" * tag 'core-entry-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: selftest, ptrace: Add selftest for syscall user dispatch config api ptrace: Provide set/get interface for syscall user dispatch syscall_user_dispatch: Untag selector address before access_ok() syscall_user_dispatch: Split up set_syscall_user_dispatch() |
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Linus Torvalds
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c23f28975a |
Commit volume in documentation is relatively low this time, but there is
still a fair amount going on, including:
- Reorganizing the architecture-specific documentation under
Documentation/arch. This makes the structure match the source directory
and helps to clean up the mess that is the top-level Documentation
directory a bit. This work creates the new directory and moves x86 and
most of the less-active architectures there. The current plan is to move
the rest of the architectures in 6.5, with the patches going through the
appropriate subsystem trees.
- Some more Spanish translations and maintenance of the Italian
translation.
- A new "Kernel contribution maturity model" document from Ted.
- A new tutorial on quickly building a trimmed kernel from Thorsten.
Plus the usual set of updates and fixes.
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Merge tag 'docs-6.4' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"Commit volume in documentation is relatively low this time, but there
is still a fair amount going on, including:
- Reorganize the architecture-specific documentation under
Documentation/arch
This makes the structure match the source directory and helps to
clean up the mess that is the top-level Documentation directory a
bit. This work creates the new directory and moves x86 and most of
the less-active architectures there.
The current plan is to move the rest of the architectures in 6.5,
with the patches going through the appropriate subsystem trees.
- Some more Spanish translations and maintenance of the Italian
translation
- A new "Kernel contribution maturity model" document from Ted
- A new tutorial on quickly building a trimmed kernel from Thorsten
Plus the usual set of updates and fixes"
* tag 'docs-6.4' of git://git.lwn.net/linux: (47 commits)
media: Adjust column width for pdfdocs
media: Fix building pdfdocs
docs: clk: add documentation to log which clocks have been disabled
docs: trace: Fix typo in ftrace.rst
Documentation/process: always CC responsible lists
docs: kmemleak: adjust to config renaming
ELF: document some de-facto PT_* ABI quirks
Documentation: arm: remove stih415/stih416 related entries
docs: turn off "smart quotes" in the HTML build
Documentation: firmware: Clarify firmware path usage
docs/mm: Physical Memory: Fix grammar
Documentation: Add document for false sharing
dma-api-howto: typo fix
docs: move m68k architecture documentation under Documentation/arch/
docs: move parisc documentation under Documentation/arch/
docs: move ia64 architecture docs under Documentation/arch/
docs: Move arc architecture docs under Documentation/arch/
docs: move nios2 documentation under Documentation/arch/
docs: move openrisc documentation under Documentation/arch/
docs: move superh documentation under Documentation/arch/
...
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Huacai Chen
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16c52e5030 |
LoongArch: Make WriteCombine configurable for ioremap()
LoongArch maintains cache coherency in hardware, but when paired with LS7A chipsets the WUC attribute (Weak-ordered UnCached, which is similar to WriteCombine) is out of the scope of cache coherency machanism for PCIe devices (this is a PCIe protocol violation, which may be fixed in newer chipsets). This means WUC can only used for write-only memory regions now, so this option is disabled by default, making WUC silently fallback to SUC for ioremap(). You can enable this option if the kernel is ensured to run on hardware without this bug. Kernel parameter writecombine=on/off can be used to override the Kconfig option. Cc: stable@vger.kernel.org Suggested-by: WANG Xuerui <kernel@xen0n.name> Reviewed-by: WANG Xuerui <kernel@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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Gregory Price
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3f67987cdc |
ptrace: Provide set/get interface for syscall user dispatch
The syscall user dispatch configuration can only be set by the task itself, but lacks a ptrace set/get interface which makes it impossible to implement checkpoint/restore for it. Add the required ptrace requests and the get/set functions in the syscall user dispatch code to make that possible. Signed-off-by: Gregory Price <gregory.price@memverge.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Link: https://lore.kernel.org/r/20230407171834.3558-4-gregory.price@memverge.com |
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Laurent Pinchart
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4db7f7a0e5 |
media: i2c: Drop unused vs6624 camera sensor driver
The vs6624 camera sensor driver doesn't support DT and relies on platform data. The last board files supplying platform data for that device have been removed from the kernel in v4.17. The driver hasn't been used since them. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Laurent Pinchart
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6a692b059c |
media: i2c: Drop unused sr030pc30 camera sensor driver
The sr030pc30 camera sensor driver doesn't support DT and relies on platform data. No board file has ever provided platform data for that device. The driver has thus never been used in the mainline kernel since its introduction in v2.6.37. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Laurent Pinchart
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56ac4aa4ed |
media: i2c: Drop unused s5k6aa camera sensor driver
The s5k6aa camera sensor driver doesn't support DT and relies on platform data. The last board files supplying platform data for that device have been removed from the kernel in v3.11. The driver hasn't been used since them. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Laurent Pinchart
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4604236d67 |
media: i2c: Drop unused noon010pc30 camera sensor driver
The noon010pc30 camera sensor driver doesn't support DT and relies on platform data. The last board files supplying platform data for that device have been removed from the kernel in v3.16. A device tree file referencing the device has been added in v3.17, but without corresponding DT bindings, and with DT support in the driver. The driver thus hasn't been used since v316. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Laurent Pinchart
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95a9ea8a13 |
media: i2c: Drop unused mt9t001 camera sensor driver
The mt9t001 camera sensor driver doesn't support DT and relies on platform data. No board file has ever provided platform data for that device. The driver has thus never been used in the mainline kernel since its introduction in v3.2. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Laurent Pinchart
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a22eabc825 |
media: i2c: Drop unused mt9m032 camera sensor driver
The mt9m032 camera sensor driver doesn't support DT and relies on platform data. No board file has ever provided platform data for that device. The driver has thus never been used in the mainline kernel since its introduction in v3.4. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Laurent Pinchart
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c77d3da12e |
media: i2c: Drop unused m5mols camera sensor driver
The m5mols camera sensor driver doesn't support DT and relies on platform data. The last board files supplying platform data for that device have been removed from the kernel in v3.11. The driver hasn't been used since them. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Laurent Pinchart
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db24aa0411 |
media: i2c: Drop unused ad9389b video encoder driver
The ad9389b video encoder driver doesn't support DT and relies on platform data. No board file has ever provided platform data for that device. The driver has thus never been used in the mainline kernel since its introduction in v3.7. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Hans Verkuil
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8eb2a208fa |
media: Documentation: admin-guide: cec.rst: document NTP issue
The CEC pin framework is affected by NTP daemons speeding up or slowing down the system clock. Document this and explain how to fix this for chronyd. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Jonathan Corbet
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790a6c21c1 |
docs: move m68k architecture documentation under Documentation/arch/
Architecture-specific documentation is being moved into Documentation/arch/ as a way of cleaning up the top-level documentation directory and making the docs hierarchy more closely match the source hierarchy. Move Documentation/m68k into arch/ and fix all in-tree references. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Jonathan Corbet
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ff61f0791c |
docs: move x86 documentation into Documentation/arch/
Move the x86 documentation under Documentation/arch/ as a way of cleaning up the top-level directory and making the structure of our docs more closely match the structure of the source directories it describes. All in-kernel references to the old paths have been updated. Acked-by: Dave Hansen <dave.hansen@linux.intel.com> Cc: linux-arch@vger.kernel.org Cc: x86@kernel.org Cc: Borislav Petkov <bp@alien8.de> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/lkml/20230315211523.108836-1-corbet@lwn.net/ Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Bagas Sanjaya
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f030c8fd64 |
Documentation: kernel-parameters: Remove meye entry
Commit |
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Vlastimil Babka
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d88e2a2bd2 |
mm, pagemap: remove SLOB and SLQB from comments and documentation
SLOB has been removed and SLQB never merged, so remove their mentions from comments and documentation of pagemap. In stable_page_flags() also correct an outdated comment mentioning that PageBuddy() means a page->_refcount of -1, and remove compound_head() from the PageSlab() call, as that's already implicitly there thanks to PF_NO_TAIL. Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Mike Rapoport (IBM) <rppt@kernel.org> |
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Thorsten Leemhuis
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efe920466f |
docs: describe how to quickly build a trimmed kernel
Add a text explaining how to quickly build a kernel, as that's something users will often have to do when they want to report an issue or test proposed fixes. This is a huge and frightening task for quite a few users these days, as many rely on pre-compiled kernels and have never built their own. They find help on quite a few websites explaining the process in various ways, but those howtos often omit important details or make things too hard for the 'quickly build just for testing' case that 'localmodconfig' is really useful for. Hence give users something at hand to guide them, as that makes it easier for them to help with testing, debugging, and fixing the kernel. To keep the complexity at bay, the document explicitly focuses on how to compile the kernel on commodity distributions running on commodity hardware. People that deal with less common distributions or hardware will often know their way around already anyway. The text describes a few oddities of Arch and Debian that were found by the author and a few volunteers that tested the described procedure. There are likely more such quirks that need to be covered as well as a few things the author will have missed -- but one has to start somewhere. The document heavily uses anchors and links to them, which makes things slightly harder to read in the source form. But the intended target audience is way more likely to read rendered versions of this text on pages like docs.kernel.org anyway -- and there those anchors and links allow easy jumps to the reference section and back, which makes the document a lot easier to work with for the intended target audience. Aspects relevant for bisection were left out on purpose, as that is a related, but in the end different use case. The rough plan is to have a second document with a similar style to cover bisection. The idea is to reuse a few bits from this document and link quite often to entries in the reference section with the help of the anchors in this text. Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/1a788a8e7ba8a2063df08668f565efa832016032.1678021408.git.linux@leemhuis.info Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Randy Dunlap
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a894a8a56b |
Documentation: kernel-parameters: sort all "no..." parameters
Sort all of the "no..." kernel parameters into the correct order as specified in kernel-parameters.rst: "into English Dictionary order (defined as ignoring all punctuation and sorting digits before letters in a case insensitive manner)". No other changes here, just movement of lines. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20230317002635.16540-1-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Hans Verkuil
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3e59c24006 |
media: admin-guide/media/cec.rst: update CEC debugging doc
The documentation on how to create your own Raspberry Pi CEC debugger was a bit out of date. Update it to the Raspberry Pi 4B, drop the mention of the RTC and a link to a picture that no longer works. Also reorganize the text to make it easier to follow and change the pins to match the pins I use. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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Randy Dunlap
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c500488f23 |
Documentation: kernel-parameters: sort NFS parameters
Sort the NFS kernel command line parameters. This is done in 4 groups so as to not have them intermingled: 'nfs' module parameters, 'nfs4' module parameters, 'nfsd' module parameters, and nfs "global" (__setup, no module) parameters. There were 5 parameters which were listed with a space between the parameter name and the following '=' sign. The space has been removed since module parameters expect 'parameter=' with no intervening space. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Cc: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: Anna Schumaker <anna@kernel.org> Cc: Chuck Lever <chuck.lever@oracle.com> Cc: Jeff Layton <jlayton@kernel.org> Cc: linux-nfs@vger.kernel.org Link: https://lore.kernel.org/r/20230227025816.1083-1-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Lukas Bulwahn
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184cd8aa0c |
docs: admin: unicode: update information on state of lanana.org document
Replace link to a non-existing page with a note that lanana.org does not maintain Linux Zone Unicode Assignments anymore. Remove the reference to H. Peter Anvin and the unicode lanana.org email as the maintainer of this file, as at this point, this is all maintained by the general kernel community. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Link: https://lore.kernel.org/r/20230307144000.29539-3-lukas.bulwahn@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Vegard Nossum
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44ac5abac8 |
Documentation/security-bugs: move from admin-guide/ to process/
Jiri Kosina, Jonathan Corbet, and Willy Tarreau all expressed a desire to move this document under process/. Create a new section for security issues in the index and group it with embargoed-hardware-issues. I'm doing this at the start of the series to make all the subsequent changes show up in 'git blame'. Existing references were updated using: git grep -l security-bugs ':!Documentation/translations/' | xargs sed -i 's|admin-guide/security-bugs|process/security-bugs|g' git grep -l security-bugs Documentation/translations/ | xargs sed -i 's|Documentation/admin-guide/security-bugs|Documentation/process/security-bugs|g' git grep -l security-bugs Documentation/translations/ | xargs sed -i '/Original:/s|\.\./admin-guide/security-bugs|\.\./process/security-bugs|g' Notably, the page is not moved in the translations (due to my lack of knowledge of these languages), but the translations have been updated to point to the new location of the original document where these references exist. Link: https://lore.kernel.org/all/nycvar.YFH.7.76.2206062326230.10851@cbobk.fhfr.pm/ Suggested-by: Jiri Kosina <jikos@kernel.org> Cc: Alex Shi <alexs@kernel.org> Cc: Yanteng Si <siyanteng@loongson.cn> Cc: Hu Haowen <src.res@email.cn> Cc: Federico Vaga <federico.vaga@vaga.pv.it> Cc: Tsugikazu Shibata <tshibata@ab.jp.nec.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Jeimi Lee <jamee.lee@samsung.com> Cc: Carlos Bilbao <carlos.bilbao@amd.com> Cc: Akira Yokosawa <akiyks@gmail.com> Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Acked-by: Carlos Bilbao <carlos.bilbao@amd.com> Reviewed-by: Yanteng Si <siyanteng@loongson.cn> Reviewed-by: Akira Yokosawa <akiyks@gmail.com> Acked-by: Federico Vaga <federico.vaga@vaga.pv.it> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/r/20230305220010.20895-2-vegard.nossum@oracle.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Linus Torvalds
|
7f9ec7d816 |
A small set of updates for x86:
- Return -EIO instead of success when the certificate buffer for SEV
guests is not large enough.
- Allow STIPB to be enabled with legacy IBSR. Legacy IBRS is cleared on
return to userspace for performance reasons, but the leaves user space
vulnerable to cross-thread attacks which STIBP prevents. Update the
documentation accordingly.
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Merge tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 updates from Thomas Gleixner:
"A small set of updates for x86:
- Return -EIO instead of success when the certificate buffer for SEV
guests is not large enough
- Allow STIPB to be enabled with legacy IBSR. Legacy IBRS is cleared
on return to userspace for performance reasons, but the leaves user
space vulnerable to cross-thread attacks which STIBP prevents.
Update the documentation accordingly"
* tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
virt/sev-guest: Return -EIO if certificate buffer is not large enough
Documentation/hw-vuln: Document the interaction between IBRS and STIBP
x86/speculation: Allow enabling STIBP with legacy IBRS
|
||
KP Singh
|
e02b50ca44 |
Documentation/hw-vuln: Document the interaction between IBRS and STIBP
Explain why STIBP is needed with legacy IBRS as currently implemented
(KERNEL_IBRS) and why STIBP is not needed when enhanced IBRS is enabled.
Fixes:
|
||
|
Linus Torvalds
|
4b8c673b76 |
media updates for v6.3-rc1
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||
|
Linus Torvalds
|
49d5759268 |
ARM:
- Provide a virtual cache topology to the guest to avoid
inconsistencies with migration on heterogenous systems. Non secure
software has no practical need to traverse the caches by set/way in
the first place.
- Add support for taking stage-2 access faults in parallel. This was an
accidental omission in the original parallel faults implementation,
but should provide a marginal improvement to machines w/o FEAT_HAFDBS
(such as hardware from the fruit company).
- A preamble to adding support for nested virtualization to KVM,
including vEL2 register state, rudimentary nested exception handling
and masking unsupported features for nested guests.
- Fixes to the PSCI relay that avoid an unexpected host SVE trap when
resuming a CPU when running pKVM.
- VGIC maintenance interrupt support for the AIC
- Improvements to the arch timer emulation, primarily aimed at reducing
the trap overhead of running nested.
- Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
interest of CI systems.
- Avoid VM-wide stop-the-world operations when a vCPU accesses its own
redistributor.
- Serialize when toggling CPACR_EL1.SMEN to avoid unexpected exceptions
in the host.
- Aesthetic and comment/kerneldoc fixes
- Drop the vestiges of the old Columbia mailing list and add [Oliver]
as co-maintainer
This also drags in arm64's 'for-next/sme2' branch, because both it and
the PSCI relay changes touch the EL2 initialization code.
RISC-V:
- Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE
- Correctly place the guest in S-mode after redirecting a trap to the guest
- Redirect illegal instruction traps to guest
- SBI PMU support for guest
s390:
- Two patches sorting out confusion between virtual and physical
addresses, which currently are the same on s390.
- A new ioctl that performs cmpxchg on guest memory
- A few fixes
x86:
- Change tdp_mmu to a read-only parameter
- Separate TDP and shadow MMU page fault paths
- Enable Hyper-V invariant TSC control
- Fix a variety of APICv and AVIC bugs, some of them real-world,
some of them affecting architecurally legal but unlikely to
happen in practice
- Mark APIC timer as expired if its in one-shot mode and the count
underflows while the vCPU task was being migrated
- Advertise support for Intel's new fast REP string features
- Fix a double-shootdown issue in the emergency reboot code
- Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give SVM
similar treatment to VMX
- Update Xen's TSC info CPUID sub-leaves as appropriate
- Add support for Hyper-V's extended hypercalls, where "support" at this
point is just forwarding the hypercalls to userspace
- Clean up the kvm->lock vs. kvm->srcu sequences when updating the PMU and
MSR filters
- One-off fixes and cleanups
- Fix and cleanup the range-based TLB flushing code, used when KVM is
running on Hyper-V
- Add support for filtering PMU events using a mask. If userspace
wants to restrict heavily what events the guest can use, it can now
do so without needing an absurd number of filter entries
- Clean up KVM's handling of "PMU MSRs to save", especially when vPMU
support is disabled
- Add PEBS support for Intel Sapphire Rapids
- Fix a mostly benign overflow bug in SEV's send|receive_update_data()
- Move several SVM-specific flags into vcpu_svm
x86 Intel:
- Handle NMI VM-Exits before leaving the noinstr region
- A few trivial cleanups in the VM-Enter flows
- Stop enabling VMFUNC for L1 purely to document that KVM doesn't support
EPTP switching (or any other VM function) for L1
- Fix a crash when using eVMCS's enlighted MSR bitmaps
Generic:
- Clean up the hardware enable and initialization flow, which was
scattered around multiple arch-specific hooks. Instead, just
let the arch code call into generic code. Both x86 and ARM should
benefit from not having to fight common KVM code's notion of how
to do initialization.
- Account allocations in generic kvm_arch_alloc_vm()
- Fix a memory leak if coalesced MMIO unregistration fails
selftests:
- On x86, cache the CPU vendor (AMD vs. Intel) and use the info to emit
the correct hypercall instruction instead of relying on KVM to patch
in VMMCALL
- Use TAP interface for kvm_binary_stats_test and tsc_msrs_test
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"ARM:
- Provide a virtual cache topology to the guest to avoid
inconsistencies with migration on heterogenous systems. Non secure
software has no practical need to traverse the caches by set/way in
the first place
- Add support for taking stage-2 access faults in parallel. This was
an accidental omission in the original parallel faults
implementation, but should provide a marginal improvement to
machines w/o FEAT_HAFDBS (such as hardware from the fruit company)
- A preamble to adding support for nested virtualization to KVM,
including vEL2 register state, rudimentary nested exception
handling and masking unsupported features for nested guests
- Fixes to the PSCI relay that avoid an unexpected host SVE trap when
resuming a CPU when running pKVM
- VGIC maintenance interrupt support for the AIC
- Improvements to the arch timer emulation, primarily aimed at
reducing the trap overhead of running nested
- Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
interest of CI systems
- Avoid VM-wide stop-the-world operations when a vCPU accesses its
own redistributor
- Serialize when toggling CPACR_EL1.SMEN to avoid unexpected
exceptions in the host
- Aesthetic and comment/kerneldoc fixes
- Drop the vestiges of the old Columbia mailing list and add [Oliver]
as co-maintainer
RISC-V:
- Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE
- Correctly place the guest in S-mode after redirecting a trap to the
guest
- Redirect illegal instruction traps to guest
- SBI PMU support for guest
s390:
- Sort out confusion between virtual and physical addresses, which
currently are the same on s390
- A new ioctl that performs cmpxchg on guest memory
- A few fixes
x86:
- Change tdp_mmu to a read-only parameter
- Separate TDP and shadow MMU page fault paths
- Enable Hyper-V invariant TSC control
- Fix a variety of APICv and AVIC bugs, some of them real-world, some
of them affecting architecurally legal but unlikely to happen in
practice
- Mark APIC timer as expired if its in one-shot mode and the count
underflows while the vCPU task was being migrated
- Advertise support for Intel's new fast REP string features
- Fix a double-shootdown issue in the emergency reboot code
- Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give
SVM similar treatment to VMX
- Update Xen's TSC info CPUID sub-leaves as appropriate
- Add support for Hyper-V's extended hypercalls, where "support" at
this point is just forwarding the hypercalls to userspace
- Clean up the kvm->lock vs. kvm->srcu sequences when updating the
PMU and MSR filters
- One-off fixes and cleanups
- Fix and cleanup the range-based TLB flushing code, used when KVM is
running on Hyper-V
- Add support for filtering PMU events using a mask. If userspace
wants to restrict heavily what events the guest can use, it can now
do so without needing an absurd number of filter entries
- Clean up KVM's handling of "PMU MSRs to save", especially when vPMU
support is disabled
- Add PEBS support for Intel Sapphire Rapids
- Fix a mostly benign overflow bug in SEV's
send|receive_update_data()
- Move several SVM-specific flags into vcpu_svm
x86 Intel:
- Handle NMI VM-Exits before leaving the noinstr region
- A few trivial cleanups in the VM-Enter flows
- Stop enabling VMFUNC for L1 purely to document that KVM doesn't
support EPTP switching (or any other VM function) for L1
- Fix a crash when using eVMCS's enlighted MSR bitmaps
Generic:
- Clean up the hardware enable and initialization flow, which was
scattered around multiple arch-specific hooks. Instead, just let
the arch code call into generic code. Both x86 and ARM should
benefit from not having to fight common KVM code's notion of how to
do initialization
- Account allocations in generic kvm_arch_alloc_vm()
- Fix a memory leak if coalesced MMIO unregistration fails
selftests:
- On x86, cache the CPU vendor (AMD vs. Intel) and use the info to
emit the correct hypercall instruction instead of relying on KVM to
patch in VMMCALL
- Use TAP interface for kvm_binary_stats_test and tsc_msrs_test"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (325 commits)
KVM: SVM: hyper-v: placate modpost section mismatch error
KVM: x86/mmu: Make tdp_mmu_allowed static
KVM: arm64: nv: Use reg_to_encoding() to get sysreg ID
KVM: arm64: nv: Only toggle cache for virtual EL2 when SCTLR_EL2 changes
KVM: arm64: nv: Filter out unsupported features from ID regs
KVM: arm64: nv: Emulate EL12 register accesses from the virtual EL2
KVM: arm64: nv: Allow a sysreg to be hidden from userspace only
KVM: arm64: nv: Emulate PSTATE.M for a guest hypervisor
KVM: arm64: nv: Add accessors for SPSR_EL1, ELR_EL1 and VBAR_EL1 from virtual EL2
KVM: arm64: nv: Handle SMCs taken from virtual EL2
KVM: arm64: nv: Handle trapped ERET from virtual EL2
KVM: arm64: nv: Inject HVC exceptions to the virtual EL2
KVM: arm64: nv: Support virtual EL2 exceptions
KVM: arm64: nv: Handle HCR_EL2.NV system register traps
KVM: arm64: nv: Add nested virt VCPU primitives for vEL2 VCPU state
KVM: arm64: nv: Add EL2 system registers to vcpu context
KVM: arm64: nv: Allow userspace to set PSR_MODE_EL2x
KVM: arm64: nv: Reset VCPU to EL2 registers if VCPU nested virt is set
KVM: arm64: nv: Introduce nested virtualization VCPU feature
KVM: arm64: Use the S2 MMU context to iterate over S2 table
...
|
||
|
Linus Torvalds
|
90ddb3f034 |
pci-v6.3-changes
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Merge tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Rework portdrv shutdown so it disables interrupts but doesn't
disable bus mastering, which leads to hangs on Loongson LS7A
- Add mechanism to prevent Max_Read_Request_Size (MRRS) increases,
again to avoid hardware issues on Loongson LS7A (and likely other
devices based on DesignWare IP)
- Ignore devices with a firmware (DT or ACPI) node that says the
device is disabled
Resource management:
- Distribute spare resources to unconfigured hotplug bridges at
boot-time (not just when hot-adding such a bridge), which makes
hot-adding devices to docks work better. Tried this in v6.1 but had
to revert for regressions, so try again
- Fix root bus issue that dropped resources that happened to end
at 0, e.g., [bus 00]
PCI device hotplug:
- Remove device locking when marking device as disconnected so this
doesn't have to wait for concurrent driver bind/unbind to complete
- Quirk more Qualcomm bridges that don't fully implement the PCIe
Slot Status 'Command Completed' bit
Power management:
- Account for _S0W of the target bridge in acpi_pci_bridge_d3() so we
don't miss hot-add notifications for USB4 docks, Thunderbolt, etc
Reset:
- Observe delay after reset, e.g., resuming from system sleep,
regardless of whether a bridge can suspend to D3cold at runtime
- Wait for secondary bus to become ready after a bridge reset
Virtualization:
- Avoid FLR on some AMD FCH AHCI adapters where it doesn't work
- Allow independent IOMMU groups for some Wangxun NICs that prevent
peer-to-peer transactions but don't advertise an ACS Capability
Error handling:
- Configure End-to-End-CRC (ECRC) only if Linux owns the AER
Capability
- Remove redundant Device Control Error Reporting Enable in the AER
service driver since this is already done for all devices during
enumeration
ASPM:
- Add pci_enable_link_state() interface to allow drivers to enable
ASPM link state
Endpoint framework:
- Move dra7xx and tegra194 linkup processing from hard IRQ to
threaded IRQ handler
- Add a separate lock for endpoint controller list of endpoint
function drivers to prevent deadlock in callbacks
- Pass events from endpoint controller to endpoint function drivers
via callbacks instead of notifiers
Synopsys DesignWare eDMA controller driver (acked by Vinod):
- Fix CPU vs PCI address issues
- Fix source vs destination address issues
- Fix issues with interleaved transfer semantics
- Fix channel count initialization issue (issue still exists in
several other drivers)
- Clean up and improve debugfs usage so it will work on platforms
with several eDMA devices
Baikal T-1 PCIe controller driver:
- Set a 64-bit DMA mask
Freescale i.MX6 PCIe controller driver:
- Add i.MX8MM, i.MX8MQ, i.MX8MP endpoint mode DT binding and driver
support
Intel VMD host bridge driver:
- Add quirk to configure PCIe ASPM and LTR. This is normally done by
BIOS, and will be for future products
Marvell MVEBU PCIe controller driver:
- Mark this driver as broken in Kconfig since bugs prevent its daily
usage
MediaTek MT7621 PCIe controller driver:
- Delay PHY port initialization to improve boot reliability for ZBT
WE1326, ZBT WF3526-P, and some Netgear models
Qualcomm PCIe controller driver:
- Add MSM8998 DT compatible string
- Unify MSM8996 and MSM8998 clock orderings
- Add SM8350 DT binding and driver support
- Add IPQ8074 Gen3 DT binding and driver support
- Correct qcom,perst-regs in DT binding
- Add qcom_pcie_host_deinit() so the PHY is powered off and
regulators and clocks are disabled on late host-init errors
Socionext UniPhier Pro5 controller driver:
- Clean up uniphier-ep reg, clocks, resets, and their names in DT
binding
Synopsys DesignWare PCIe controller driver:
- Restrict coherent DMA mask to 32 bits for MSI, but allow controller
drivers to set 64-bit streaming DMA mask
- Add eDMA engine support in both Root Port and Endpoint controllers
Miscellaneous:
- Remove MODULE_LICENSE from boolean drivers so they don't look like
modules so modprobe can complain about them"
* tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (86 commits)
PCI: dwc: Add Root Port and Endpoint controller eDMA engine support
PCI: bt1: Set 64-bit DMA mask
PCI: dwc: Restrict only coherent DMA mask for MSI address allocation
dmaengine: dw-edma: Prepare dw_edma_probe() for builtin callers
dmaengine: dw-edma: Depend on DW_EDMA instead of selecting it
dmaengine: dw-edma: Add mem-mapped LL-entries support
PCI: Remove MODULE_LICENSE so boolean drivers don't look like modules
PCI: hv: Drop duplicate PCI_MSI dependency
PCI/P2PDMA: Annotate RCU dereference
PCI/sysfs: Constify struct kobj_type pci_slot_ktype
PCI: hotplug: Allow marking devices as disconnected during bind/unbind
PCI: pciehp: Add Qualcomm quirk for Command Completed erratum
PCI: qcom: Add IPQ8074 Gen3 port support
dt-bindings: PCI: qcom: Add IPQ8074 Gen3 port
dt-bindings: PCI: qcom: Sort compatibles alphabetically
PCI: qcom: Fix host-init error handling
PCI: qcom: Add SM8350 support
dt-bindings: PCI: qcom: Add SM8350
dt-bindings: PCI: qcom-ep: Correct qcom,perst-regs
dt-bindings: PCI: qcom: Unify MSM8996 and MSM8998 clock order
...
|
||
|
Linus Torvalds
|
17cd4d6f05 |
TTY/Serial driver updates for 6.3-rc1
Here is the big set of serial and tty driver updates for 6.3-rc1. Once again, Jiri and Ilpo have done a number of core vt and tty/serial layer cleanups that were much needed and appreciated. Other than that, it's just a bunch of little tty/serial driver updates: - qcom-geni-serial driver updates - liteuart driver updates - hvcs driver cleanups - n_gsm updates and additions for new features - more 8250 device support added - fpga/dfl update and additions - imx serial driver updates - fsl_lpuart updates - other tiny fixes and updates for serial drivers All of these have been in linux-next for a while with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCY/itAw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykJbQCfWv/J4ZElO108iHBU5mJCDagUDBgAnAtLLN6A SEAnnokGCDtA/BNIXeES =luRi -----END PGP SIGNATURE----- Merge tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty / serial driver updates from Greg KH: "Here is the big set of serial and tty driver updates for 6.3-rc1. Once again, Jiri and Ilpo have done a number of core vt and tty/serial layer cleanups that were much needed and appreciated. Other than that, it's just a bunch of little tty/serial driver updates: - qcom-geni-serial driver updates - liteuart driver updates - hvcs driver cleanups - n_gsm updates and additions for new features - more 8250 device support added - fpga/dfl update and additions - imx serial driver updates - fsl_lpuart updates - other tiny fixes and updates for serial drivers All of these have been in linux-next for a while with no reported problems" * tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (143 commits) tty: n_gsm: add keep alive support serial: imx: remove a redundant check dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties soc: qcom: geni-se: Move qcom-geni-se.h to linux/soc/qcom/geni-se.h tty: n_gsm: add TIOCMIWAIT support tty: n_gsm: add RING/CD control support tty: n_gsm: mark unusable ioctl structure fields accordingly serial: imx: get rid of registers shadowing serial: imx: refine local variables in rxint() serial: imx: stop using USR2 in FIFO reading loop serial: imx: remove redundant USR2 read from FIFO reading loop serial: imx: do not break from FIFO reading loop prematurely serial: imx: do not sysrq broken chars serial: imx: work-around for hardware RX flood serial: imx: factor-out common code to imx_uart_soft_reset() serial: 8250_pci1xxxx: Add power management functions to quad-uart driver serial: 8250_pci1xxxx: Add RS485 support to quad-uart driver serial: 8250_pci1xxxx: Add driver for quad-uart support serial: 8250_pci: Add serial8250_pci_setup_port definition in 8250_pcilib.c tty: pcn_uart: fix memory leak with using debugfs_lookup() ... |
||
|
Linus Torvalds
|
d2980d8d82 |
There is no particular theme here - mainly quick hits all over the tree.
Most notable is a set of zlib changes from Mikhail Zaslonko which enhances and fixes zlib's use of S390 hardware support: "lib/zlib: Set of s390 DFLTCC related patches for kernel zlib". -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCY/QC4QAKCRDdBJ7gKXxA jtKdAQCbDCBdY8H45d1fONzQW2UDqCPnOi77MpVUxGL33r+1SAEA807C7rvDEmlf yP1Ft+722fFU5jogVU8ZFh+vapv2/gI= =Q9YK -----END PGP SIGNATURE----- Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull non-MM updates from Andrew Morton: "There is no particular theme here - mainly quick hits all over the tree. Most notable is a set of zlib changes from Mikhail Zaslonko which enhances and fixes zlib's use of S390 hardware support: 'lib/zlib: Set of s390 DFLTCC related patches for kernel zlib'" * tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (55 commits) Update CREDITS file entry for Jesper Juhl sparc: allow PM configs for sparc32 COMPILE_TEST hung_task: print message when hung_task_warnings gets down to zero. arch/Kconfig: fix indentation scripts/tags.sh: fix the Kconfig tags generation when using latest ctags nilfs2: prevent WARNING in nilfs_dat_commit_end() lib/zlib: remove redundation assignement of avail_in dfltcc_gdht() lib/Kconfig.debug: do not enable DEBUG_PREEMPT by default lib/zlib: DFLTCC always switch to software inflate for Z_PACKET_FLUSH option lib/zlib: DFLTCC support inflate with small window lib/zlib: Split deflate and inflate states for DFLTCC lib/zlib: DFLTCC not writing header bits when avail_out == 0 lib/zlib: fix DFLTCC ignoring flush modes when avail_in == 0 lib/zlib: fix DFLTCC not flushing EOBS when creating raw streams lib/zlib: implement switching between DFLTCC and software lib/zlib: adjust offset calculation for dfltcc_state nilfs2: replace WARN_ONs for invalid DAT metadata block requests scripts/spelling.txt: add "exsits" pattern and fix typo instances fs: gracefully handle ->get_block not mapping bh in __mpage_writepage cramfs: Kconfig: fix spelling & punctuation ... |
||
|
Linus Torvalds
|
3822a7c409 |
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
F_SEAL_EXEC") which permits the setting of the memfd execute bit at
memfd creation time, with the option of sealing the state of the X bit.
- Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
thread-safe for pmd unshare") which addresses a rare race condition
related to PMD unsharing.
- Several folioification patch serieses from Matthew Wilcox, Vishal
Moola, Sidhartha Kumar and Lorenzo Stoakes
- Johannes Weiner has a series ("mm: push down lock_page_memcg()") which
does perform some memcg maintenance and cleanup work.
- SeongJae Park has added DAMOS filtering to DAMON, with the series
"mm/damon/core: implement damos filter". These filters provide users
with finer-grained control over DAMOS's actions. SeongJae has also done
some DAMON cleanup work.
- Kairui Song adds a series ("Clean up and fixes for swap").
- Vernon Yang contributed the series "Clean up and refinement for maple
tree".
- Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It
adds to MGLRU an LRU of memcgs, to improve the scalability of global
reclaim.
- David Hildenbrand has added some userfaultfd cleanup work in the
series "mm: uffd-wp + change_protection() cleanups".
- Christoph Hellwig has removed the generic_writepages() library
function in the series "remove generic_writepages".
- Baolin Wang has performed some maintenance on the compaction code in
his series "Some small improvements for compaction".
- Sidhartha Kumar is doing some maintenance work on struct page in his
series "Get rid of tail page fields".
- David Hildenbrand contributed some cleanup, bugfixing and
generalization of pte management and of pte debugging in his series "mm:
support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with swap
PTEs".
- Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
flag in the series "Discard __GFP_ATOMIC".
- Sergey Senozhatsky has improved zsmalloc's memory utilization with his
series "zsmalloc: make zspage chain size configurable".
- Joey Gouly has added prctl() support for prohibiting the creation of
writeable+executable mappings. The previous BPF-based approach had
shortcomings. See "mm: In-kernel support for memory-deny-write-execute
(MDWE)".
- Waiman Long did some kmemleak cleanup and bugfixing in the series
"mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".
- T.J. Alumbaugh has contributed some MGLRU cleanup work in his series
"mm: multi-gen LRU: improve".
- Jiaqi Yan has provided some enhancements to our memory error
statistics reporting, mainly by presenting the statistics on a per-node
basis. See the series "Introduce per NUMA node memory error
statistics".
- Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
regression in compaction via his series "Fix excessive CPU usage during
compaction".
- Christoph Hellwig does some vmalloc maintenance work in the series
"cleanup vfree and vunmap".
- Christoph Hellwig has removed block_device_operations.rw_page() in ths
series "remove ->rw_page".
- We get some maple_tree improvements and cleanups in Liam Howlett's
series "VMA tree type safety and remove __vma_adjust()".
- Suren Baghdasaryan has done some work on the maintainability of our
vm_flags handling in the series "introduce vm_flags modifier functions".
- Some pagemap cleanup and generalization work in Mike Rapoport's series
"mm, arch: add generic implementation of pfn_valid() for FLATMEM" and
"fixups for generic implementation of pfn_valid()"
- Baoquan He has done some work to make /proc/vmallocinfo and
/proc/kcore better represent the real state of things in his series
"mm/vmalloc.c: allow vread() to read out vm_map_ram areas".
- Jason Gunthorpe rationalized the GUP system's interface to the rest of
the kernel in the series "Simplify the external interface for GUP".
- SeongJae Park wishes to migrate people from DAMON's debugfs interface
over to its sysfs interface. To support this, we'll temporarily be
printing warnings when people use the debugfs interface. See the series
"mm/damon: deprecate DAMON debugfs interface".
- Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
and clean-ups" series.
- Huang Ying has provided a dramatic reduction in migration's TLB flush
IPI rates with the series "migrate_pages(): batch TLB flushing".
- Arnd Bergmann has some objtool fixups in "objtool warning fixes".
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Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
F_SEAL_EXEC") which permits the setting of the memfd execute bit at
memfd creation time, with the option of sealing the state of the X
bit.
- Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
thread-safe for pmd unshare") which addresses a rare race condition
related to PMD unsharing.
- Several folioification patch serieses from Matthew Wilcox, Vishal
Moola, Sidhartha Kumar and Lorenzo Stoakes
- Johannes Weiner has a series ("mm: push down lock_page_memcg()")
which does perform some memcg maintenance and cleanup work.
- SeongJae Park has added DAMOS filtering to DAMON, with the series
"mm/damon/core: implement damos filter".
These filters provide users with finer-grained control over DAMOS's
actions. SeongJae has also done some DAMON cleanup work.
- Kairui Song adds a series ("Clean up and fixes for swap").
- Vernon Yang contributed the series "Clean up and refinement for maple
tree".
- Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It
adds to MGLRU an LRU of memcgs, to improve the scalability of global
reclaim.
- David Hildenbrand has added some userfaultfd cleanup work in the
series "mm: uffd-wp + change_protection() cleanups".
- Christoph Hellwig has removed the generic_writepages() library
function in the series "remove generic_writepages".
- Baolin Wang has performed some maintenance on the compaction code in
his series "Some small improvements for compaction".
- Sidhartha Kumar is doing some maintenance work on struct page in his
series "Get rid of tail page fields".
- David Hildenbrand contributed some cleanup, bugfixing and
generalization of pte management and of pte debugging in his series
"mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with
swap PTEs".
- Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
flag in the series "Discard __GFP_ATOMIC".
- Sergey Senozhatsky has improved zsmalloc's memory utilization with
his series "zsmalloc: make zspage chain size configurable".
- Joey Gouly has added prctl() support for prohibiting the creation of
writeable+executable mappings.
The previous BPF-based approach had shortcomings. See "mm: In-kernel
support for memory-deny-write-execute (MDWE)".
- Waiman Long did some kmemleak cleanup and bugfixing in the series
"mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".
- T.J. Alumbaugh has contributed some MGLRU cleanup work in his series
"mm: multi-gen LRU: improve".
- Jiaqi Yan has provided some enhancements to our memory error
statistics reporting, mainly by presenting the statistics on a
per-node basis. See the series "Introduce per NUMA node memory error
statistics".
- Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
regression in compaction via his series "Fix excessive CPU usage
during compaction".
- Christoph Hellwig does some vmalloc maintenance work in the series
"cleanup vfree and vunmap".
- Christoph Hellwig has removed block_device_operations.rw_page() in
ths series "remove ->rw_page".
- We get some maple_tree improvements and cleanups in Liam Howlett's
series "VMA tree type safety and remove __vma_adjust()".
- Suren Baghdasaryan has done some work on the maintainability of our
vm_flags handling in the series "introduce vm_flags modifier
functions".
- Some pagemap cleanup and generalization work in Mike Rapoport's
series "mm, arch: add generic implementation of pfn_valid() for
FLATMEM" and "fixups for generic implementation of pfn_valid()"
- Baoquan He has done some work to make /proc/vmallocinfo and
/proc/kcore better represent the real state of things in his series
"mm/vmalloc.c: allow vread() to read out vm_map_ram areas".
- Jason Gunthorpe rationalized the GUP system's interface to the rest
of the kernel in the series "Simplify the external interface for
GUP".
- SeongJae Park wishes to migrate people from DAMON's debugfs interface
over to its sysfs interface. To support this, we'll temporarily be
printing warnings when people use the debugfs interface. See the
series "mm/damon: deprecate DAMON debugfs interface".
- Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
and clean-ups" series.
- Huang Ying has provided a dramatic reduction in migration's TLB flush
IPI rates with the series "migrate_pages(): batch TLB flushing".
- Arnd Bergmann has some objtool fixups in "objtool warning fixes".
* tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (505 commits)
include/linux/migrate.h: remove unneeded externs
mm/memory_hotplug: cleanup return value handing in do_migrate_range()
mm/uffd: fix comment in handling pte markers
mm: change to return bool for isolate_movable_page()
mm: hugetlb: change to return bool for isolate_hugetlb()
mm: change to return bool for isolate_lru_page()
mm: change to return bool for folio_isolate_lru()
objtool: add UACCESS exceptions for __tsan_volatile_read/write
kmsan: disable ftrace in kmsan core code
kasan: mark addr_has_metadata __always_inline
mm: memcontrol: rename memcg_kmem_enabled()
sh: initialize max_mapnr
m68k/nommu: add missing definition of ARCH_PFN_OFFSET
mm: percpu: fix incorrect size in pcpu_obj_full_size()
maple_tree: reduce stack usage with gcc-9 and earlier
mm: page_alloc: call panic() when memoryless node allocation fails
mm: multi-gen LRU: avoid futile retries
migrate_pages: move THP/hugetlb migration support check to simplify code
migrate_pages: batch flushing TLB
migrate_pages: share more code between _unmap and _move
...
|
||
|
Linus Torvalds
|
f2b98d0af2 |
bootconfig for v6.3:
- Fix ftrace2bconf.sh tool for checking event enable status correctly. - Add CONFIG_BOOT_CONFIG_FORCE to apply bootconfig without 'bootconfig' boot parameter. - Enable CONFIG_BOOT_CONFIG_FORCE by default if a bootconfig is embedded in the kernel. - Increase max number of nodes of bootconfig to 8192. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEh7BulGwFlgAOi5DV2/sHvwUrPxsFAmP1VUUACgkQ2/sHvwUr PxuExQgAslUeGrdn8nAA2qsModVHrXwLl1Xa6797Xzh/xCoIOAQ5AaUkGOlBBpCi 0UGsiqo5pLfrJ7q1HCTiD4kNpDcK6Kw9UbjClMS2nSf58hK98upUAng+4VlTH3dZ difzua1Y0PohBDsLZpV5Ex/K9ZHiPhm44pqkaA+q0gHBfa5AmFuRUD3icEdiHmFu B3GX0qdIMeFmUhxt0jmfvsu1Xq8fjF3Lsz/xCeOHcNJYyxzmdttxHYY8pLTWOIoL xGL2MmwIYzLRW3/r9E71JNCLgykUWZSBbYhcJ7lIAJadFNbNBFJ0+v5uiyxbZEib Xv5UAyTKSIeZIyH0fUZ/4Ufa8sw5Nw== =0Nnb -----END PGP SIGNATURE----- Merge tag 'bootconfig-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull bootconfig updates from Masami Hiramatsu: - Fix ftrace2bconf.sh tool for checking event enable status correctly - Add CONFIG_BOOT_CONFIG_FORCE to apply bootconfig without 'bootconfig' boot parameter - Enable CONFIG_BOOT_CONFIG_FORCE by default if a bootconfig is embedded in the kernel - Increase max number of nodes of bootconfig to 8192 * tag 'bootconfig-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: bootconfig: Increase max nodes of bootconfig from 1024 to 8192 for DCC support bootconfig: Default BOOT_CONFIG_FORCE to y if BOOT_CONFIG_EMBED Allow forcing unconditional bootconfig processing tools/bootconfig: fix single & used for logical condition |
||
|
Linus Torvalds
|
d876315445 |
printk changes for 6.3
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEESH4wyp42V4tXvYsjUqAMR0iAlPIFAmP0vCsACgkQUqAMR0iA lPKjHxAAldxJr7B5XZWRbYOw9VAQ/Qv0whfZwJ0Wl1crhx/PrB6JBkTbz/vHMj+c vZSQXOID5g858+iR7KdvejWFTnr7RdBP28rkRj6zijXYBAlrNwQtV+aXS/AHyCjR 2/cMuP6+7vqaVp8BqDyToQrZil6Us5Io/a6l4C0RQp1nQmY5A8qLg7kdtpPOcIoW yBWY+5pMJVfryr95yOjE7WxBVjpIh5eo/D1WoexoxcJNsHpe/2mAvXfZMNLMHBKL Io0RSZfrD0Pw+oHyhpX7bLxRbmYO8kajBMtMvPa2NIMQyk/Cm+2SSvDS39n1B4vm eXym5hUfSZIZUGV1cegia/exZgfvj3yCEc+8HJ0WEenlFruxXCtqwPbFwtkjsznK EjgOEehygaHGiQ7LY9cEA5ON5e7MIGsYUp+EAS2vNja81yBmAK89TlOtezzKIyU2 U4q4UUsXi4TMMNzvNu0bs4gEu2HOCTovE1O0h7C56haoVHSWWqexepvRwNhAWELY ztQz5hd8S7UIILGDTnx8nCc7W8RddfLZfl2XBuzr9gWp79SqeaGKOk10jkjBkatC 1STqkCN+Jwx5uIdF8LLg4EaNJ8QQCdDaCLvQpSJbQpFIYz7KCwk/hhczdCLsWrrp feGEwSD5u2ek5cEk840WfvKlle6fsqtLb6m98UV2/WJpjW9qtSo= =cVoE -----END PGP SIGNATURE----- Merge tag 'printk-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux Pull printk updates from Petr Mladek: - Refactor printk code for formatting messages that are shown on consoles. This is a preparatory step for introducing atomic consoles which could not share the global buffers - Prevent memory leak when removing printk index in debugfs - Dump also the newest printk message by the sample gdbmacro - Fix a compiler warning * tag 'printk-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: printf: fix errname.c list kernel/printk/index.c: fix memory leak with using debugfs_lookup() printk: Use scnprintf() to print the message about the dropped messages on a console printk: adjust string limit macros printk: use printk_buffers for devkmsg printk: introduce console_prepend_dropped() for dropped messages printk: introduce printk_get_next_message() and printk_message printk: introduce struct printk_buffers console: Document struct console console: Use BIT() macros for @flags values printk: move size limit macros into internal.h docs: gdbmacros: print newest record |
||
|
Linus Torvalds
|
b72b5fecc1 |
tracing updates for 6.3:
- Add function names as a way to filter function addresses - Add sample module to test ftrace ops and dynamic trampolines - Allow stack traces to be passed from beginning event to end event for synthetic events. This will allow seeing the stack trace of when a task is scheduled out and recorded when it gets scheduled back in. - Add trace event helper __get_buf() to use as a temporary buffer when printing out trace event output. - Add kernel command line to create trace instances on boot up. - Add enabling of events to instances created at boot up. - Add trace_array_puts() to write into instances. - Allow boot instances to take a snapshot at the end of boot up. - Allow live patch modules to include trace events - Minor fixes and clean ups -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCY/PaaBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qh5iAPoD0LKZzD33rhO5Ec4hoexE0DkqycP3 dvmOMbCBL8GkxwEA+d2gLz/EquSFm166hc4D79Sn3geCqvkwmy8vQWVjIQc= =M82D -----END PGP SIGNATURE----- Merge tag 'trace-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing updates from Steven Rostedt: - Add function names as a way to filter function addresses - Add sample module to test ftrace ops and dynamic trampolines - Allow stack traces to be passed from beginning event to end event for synthetic events. This will allow seeing the stack trace of when a task is scheduled out and recorded when it gets scheduled back in. - Add trace event helper __get_buf() to use as a temporary buffer when printing out trace event output. - Add kernel command line to create trace instances on boot up. - Add enabling of events to instances created at boot up. - Add trace_array_puts() to write into instances. - Allow boot instances to take a snapshot at the end of boot up. - Allow live patch modules to include trace events - Minor fixes and clean ups * tag 'trace-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (31 commits) tracing: Remove unnecessary NULL assignment tracepoint: Allow livepatch module add trace event tracing: Always use canonical ftrace path tracing/histogram: Fix stacktrace histogram Documententation tracing/histogram: Fix stacktrace key tracing/histogram: Fix a few problems with stacktrace variable printing tracing: Add BUILD_BUG() to make sure stacktrace fits in strings tracing/histogram: Don't use strlen to find length of stacktrace variables tracing: Allow boot instances to have snapshot buffers tracing: Add trace_array_puts() to write into instance tracing: Add enabling of events to boot instances tracing: Add creation of instances at boot command line tracing: Fix trace_event_raw_event_synth() if else statement samples: ftrace: Make some global variables static ftrace: sample: avoid open-coded 64-bit division samples: ftrace: Include the nospec-branch.h only for x86 tracing: Acquire buffer from temparary trace sequence tracing/histogram: Wrap remaining shell snippets in code blocks tracing/osnoise: No need for schedule_hrtimeout range bpf/tracing: Use stage6 of tracing to not duplicate macros ... |
||
|
Linus Torvalds
|
28e335208c |
New code for 6.3-rc1:
* Eliminate repeated boxing and unboxing of log item parameters.
* Clean up some confusing variable names in the log item code.
* Fix a deadlock when doing unwritten extent conversion that causes a
bmbt split when there are sustained memory shortages and the worker
pool runs out of worker threads.
* Fix the panic_mask debug knob not being able to trigger on verifier
errors.
* Constify kobj_type objects.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Darrick Wong:
"There's a couple of bug fixes, some cleanups for inconsistent variable
names and reduction of struct boxing and unboxing in the logging code.
More work is pending, which will begin reworking allocation group
lifetimes and finally replace confusing indirect calls to the
allocator with actual ... function calls. But I want to let that
experience another week of testing.
Summary:
- Eliminate repeated boxing and unboxing of log item parameters
- Clean up some confusing variable names in the log item code
- Fix a deadlock when doing unwritten extent conversion that causes a
bmbt split when there are sustained memory shortages and the worker
pool runs out of worker threads
- Fix the panic_mask debug knob not being able to trigger on verifier
errors
- Constify kobj_type objects"
* tag 'xfs-6.3-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: revert commit
|
||
|
Linus Torvalds
|
6861eaf791 |
ATA changes for 6.3-rc1
* Small cleanup of the pata_octeon driver to drop a useless platform
callback, from Uwe.
* Simplify ata_scsi_cmd_error_handler() code using the fact that
ap->ops->error_handler is NULL most of the time, from Wenchao.
* Several patches improving libata error handling. This is in
preparation for supporting the command duration limits (CDL)
feature. The changes allow handling corner cases of ATA NCQ errors
which do not happen with regular drives but will be triggered with
CDL drives. From Niklas.
* Simplify the qc_fill_rtf operation, from me.
* Improve SCSI command translation for the
REPORT_SUPPORTED_OPERATION_CODES command, from me.
* Cleanup of libata FUA handling. This falls short of enabling FUA for
ATA drives that support it by default as there were concerns that
old drives would break. The series howeverfixes several issues with
the FUA support to ensure that FUA is reported as being supported
only for drives that can handle all possible write cases (NCQ and
non-NCQ). A check in the block layer is also added to ensure that we
never see read FUA commands (current behavior). From me.
* Several patches to move the old PARIDE (parallel port IDE) driver to
libata as pata_parport. Given that this driver also needs protocol
modules, the driver code resides in its own pata_parport directoy
under drivers/ata. From Ondrej.
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Merge tag 'ata-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA updates from Damien Le Moal:
- Small cleanup of the pata_octeon driver to drop a useless platform
callback (Uwe)
- Simplify ata_scsi_cmd_error_handler() code using the fact that
ap->ops->error_handler is NULL most of the time (Wenchao)
- Several patches improving libata error handling. This is in
preparation for supporting the command duration limits (CDL) feature.
The changes allow handling corner cases of ATA NCQ errors which do
not happen with regular drives but will be triggered with CDL drives
(Niklas)
- Simplify the qc_fill_rtf operation (me)
- Improve SCSI command translation for REPORT_SUPPORTED_OPERATION_CODES
command (me)
- Cleanup of libata FUA handling.
This falls short of enabling FUA for ATA drives that support it by
default as there were concerns that old drives would break. The
series however fixes several issues with the FUA support to ensure
that FUA is reported as being supported only for drives that can
handle all possible write cases (NCQ and non-NCQ). A check in the
block layer is also added to ensure that we never see read FUA
commands (current behavior) (me)
- Several patches to move the old PARIDE (parallel port IDE) driver to
libata as pata_parport. Given that this driver also needs protocol
modules, the driver code resides in its own pata_parport directoy
under drivers/ata (Ondrej)
* tag 'ata-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_parport: Fix ida_alloc return value error check
drivers/block: Move PARIDE protocol modules to drivers/ata/pata_parport
drivers/block: Remove PARIDE core and high-level protocols
ata: pata_parport: add driver (PARIDE replacement)
ata: libata: exclude FUA support for known buggy drives
ata: libata: Fix FUA handling in ata_build_rw_tf()
ata: libata: cleanup fua support detection
ata: libata: Rename and cleanup ata_rwcmd_protocol()
ata: libata: Introduce ata_ncq_supported()
block: add a sanity check for non-write flush/fua bios
ata: libata-scsi: improve ata_scsiop_maint_in()
ata: libata-scsi: do not overwrite SCSI ML and status bytes
ata: libata: move NCQ related ATA_DFLAGs
ata: libata: respect successfully completed commands during errors
ata: libata: read the shared status for successful NCQ commands once
ata: libata: simplify qc_fill_rtf port operation interface
ata: scsi: rename flag ATA_QCFLAG_FAILED to ATA_QCFLAG_EH
ata: libata-eh: Cleanup ata_scsi_cmd_error_handler()
ata: octeon: Drop empty platform remove function
|
||
|
Linus Torvalds
|
70756b49be |
It has been a moderately calm cycle for documentation; the significant
changes include: - Some significant additions to the memory-management documentation - Some improvements to navigation in the HTML-rendered docs - More Spanish and Chinese translations ...and the usual set of typo fixes and such. -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAmPzkQUPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5YC0QH/09u10xV3N+RuveNE/tArVxKcQi7JZd/xugQ toSXygh64WY10lzwi7Ms1bHZzpPYB0fOrqTGNqNQuhrVTjQzaZB0BBJqm8lwt2w/ S/Z5wj+IicJTmQ7+0C2Hc/dcK5SCPfY3CgwqOUVdr3dEm1oU+4QaBy31fuIJJ0Hx NdbXBco8BZqJX9P67jwp9vbrFrSGBjPI0U4HNHVjrWlcBy8JT0aAnf0fyWFy3orA T86EzmEw8drA1mXsHa5pmVwuHDx2X+D+eRurG9llCBrlIG9EDSmnalY4BeGqR4LS oDrEH6M91I5+9iWoJ0rBheD8rPclXO2HpjXLApXzTjrORgEYZsM= =MCdX -----END PGP SIGNATURE----- Merge tag 'docs-6.3' of git://git.lwn.net/linux Pull documentation updates from Jonathan Corbet: "It has been a moderately calm cycle for documentation; the significant changes include: - Some significant additions to the memory-management documentation - Some improvements to navigation in the HTML-rendered docs - More Spanish and Chinese translations ... and the usual set of typo fixes and such" * tag 'docs-6.3' of git://git.lwn.net/linux: (68 commits) Documentation/watchdog/hpwdt: Fix Format Documentation/watchdog/hpwdt: Fix Reference Documentation: core-api: padata: correct spelling docs/mm: Physical Memory: correct spelling in reference to CONFIG_PAGE_EXTENSION docs: Use HTML comments for the kernel-toc SPDX line docs: Add more information to the HTML sidebar Documentation: KVM: Update AMD memory encryption link printk: Document that CONFIG_BOOT_PRINTK_DELAY required for boot_delay= Documentation: userspace-api: correct spelling Documentation: sparc: correct spelling Documentation: driver-api: correct spelling Documentation: admin-guide: correct spelling docs: add workload-tracing document to admin-guide docs/admin-guide/mm: remove useless markup docs/mm: remove useless markup docs/mm: Physical Memory: remove useless markup docs/sp_SP: Add process magic-number translation docs: ftrace: always use canonical ftrace path Doc/damon: fix the data path error dma-buf: Add "dma-buf" to title of documentation ... |
||
|
Linus Torvalds
|
5b7c4cabbb |
Networking changes for 6.3.
Core
----
- Add dedicated kmem_cache for typical/small skb->head, avoid having
to access struct page at kfree time, and improve memory use.
- Introduce sysctl to set default RPS configuration for new netdevs.
- Define Netlink protocol specification format which can be used
to describe messages used by each family and auto-generate parsers.
Add tools for generating kernel data structures and uAPI headers.
- Expose all net/core sysctls inside netns.
- Remove 4s sleep in netpoll if carrier is instantly detected on boot.
- Add configurable limit of MDB entries per port, and port-vlan.
- Continue populating drop reasons throughout the stack.
- Retire a handful of legacy Qdiscs and classifiers.
Protocols
---------
- Support IPv4 big TCP (TSO frames larger than 64kB).
- Add IP_LOCAL_PORT_RANGE socket option, to control local port range
on socket by socket basis.
- Track and report in procfs number of MPTCP sockets used.
- Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP
path manager.
- IPv6: don't check net.ipv6.route.max_size and rely on garbage
collection to free memory (similarly to IPv4).
- Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).
- ICMP: add per-rate limit counters.
- Add support for user scanning requests in ieee802154.
- Remove static WEP support.
- Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
reporting.
- WiFi 7 EHT channel puncturing support (client & AP).
BPF
---
- Add a rbtree data structure following the "next-gen data structure"
precedent set by recently added linked list, that is, by using
kfunc + kptr instead of adding a new BPF map type.
- Expose XDP hints via kfuncs with initial support for RX hash and
timestamp metadata.
- Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key
to better support decap on GRE tunnel devices not operating
in collect metadata.
- Improve x86 JIT's codegen for PROBE_MEM runtime error checks.
- Remove the need for trace_printk_lock for bpf_trace_printk
and bpf_trace_vprintk helpers.
- Extend libbpf's bpf_tracing.h support for tracing arguments of
kprobes/uprobes and syscall as a special case.
- Significantly reduce the search time for module symbols
by livepatch and BPF.
- Enable cpumasks to be used as kptrs, which is useful for tracing
programs tracking which tasks end up running on which CPUs in
different time intervals.
- Add support for BPF trampoline on s390x and riscv64.
- Add capability to export the XDP features supported by the NIC.
- Add __bpf_kfunc tag for marking kernel functions as kfuncs.
- Add cgroup.memory=nobpf kernel parameter option to disable BPF
memory accounting for container environments.
Netfilter
---------
- Remove the CLUSTERIP target. It has been marked as obsolete
for years, and we still have WARN splats wrt. races of
the out-of-band /proc interface installed by this target.
- Add 'destroy' commands to nf_tables. They are identical to
the existing 'delete' commands, but do not return an error if
the referenced object (set, chain, rule...) did not exist.
Driver API
----------
- Improve cpumask_local_spread() locality to help NICs set the right
IRQ affinity on AMD platforms.
- Separate C22 and C45 MDIO bus transactions more clearly.
- Introduce new DCB table to control DSCP rewrite on egress.
- Support configuration of Physical Layer Collision Avoidance (PLCA)
Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
shared medium Ethernet.
- Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
preemption of low priority frames by high priority frames.
- Add support for controlling MACSec offload using netlink SET.
- Rework devlink instance refcounts to allow registration and
de-registration under the instance lock. Split the code into multiple
files, drop some of the unnecessarily granular locks and factor out
common parts of netlink operation handling.
- Add TX frame aggregation parameters (for USB drivers).
- Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
messages with notifications for debug.
- Allow offloading of UDP NEW connections via act_ct.
- Add support for per action HW stats in TC.
- Support hardware miss to TC action (continue processing in SW from
a specific point in the action chain).
- Warn if old Wireless Extension user space interface is used with
modern cfg80211/mac80211 drivers. Do not support Wireless Extensions
for Wi-Fi 7 devices at all. Everyone should switch to using nl80211
interface instead.
- Improve the CAN bit timing configuration. Use extack to return error
messages directly to user space, update the SJW handling, including
the definition of a new default value that will benefit CAN-FD
controllers, by increasing their oscillator tolerance.
New hardware / drivers
----------------------
- Ethernet:
- nVidia BlueField-3 support (control traffic driver)
- Ethernet support for imx93 SoCs
- Motorcomm yt8531 gigabit Ethernet PHY
- onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
- Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
- Amlogic gxl MDIO mux
- WiFi:
- RealTek RTL8188EU (rtl8xxxu)
- Qualcomm Wi-Fi 7 devices (ath12k)
- CAN:
- Renesas R-Car V4H
Drivers
-------
- Bluetooth:
- Set Per Platform Antenna Gain (PPAG) for Intel controllers.
- Ethernet NICs:
- Intel (1G, igc):
- support TSN / Qbv / packet scheduling features of i226 model
- Intel (100G, ice):
- use GNSS subsystem instead of TTY
- multi-buffer XDP support
- extend support for GPIO pins to E823 devices
- nVidia/Mellanox:
- update the shared buffer configuration on PFC commands
- implement PTP adjphase function for HW offset control
- TC support for Geneve and GRE with VF tunnel offload
- more efficient crypto key management method
- multi-port eswitch support
- Netronome/Corigine:
- add DCB IEEE support
- support IPsec offloading for NFP3800
- Freescale/NXP (enetc):
- enetc: support XDP_REDIRECT for XDP non-linear buffers
- enetc: improve reconfig, avoid link flap and waiting for idle
- enetc: support MAC Merge layer
- Other NICs:
- sfc/ef100: add basic devlink support for ef100
- ionic: rx_push mode operation (writing descriptors via MMIO)
- bnxt: use the auxiliary bus abstraction for RDMA
- r8169: disable ASPM and reset bus in case of tx timeout
- cpsw: support QSGMII mode for J721e CPSW9G
- cpts: support pulse-per-second output
- ngbe: add an mdio bus driver
- usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
- r8152: handle devices with FW with NCM support
- amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
- virtio-net: support multi buffer XDP
- virtio/vsock: replace virtio_vsock_pkt with sk_buff
- tsnep: XDP support
- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add support for latency TLV (in FW control messages)
- Microchip (sparx5):
- separate explicit and implicit traffic forwarding rules, make
the implicit rules always active
- add support for egress DSCP rewrite
- IS0 VCAP support (Ingress Classification)
- IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.)
- ES2 VCAP support (Egress Access Control)
- support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1)
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- add MAB (port auth) offload support
- enable PTP receive for mv88e6390
- NXP (ocelot):
- support MAC Merge layer
- support for the the vsc7512 internal copper phys
- Microchip:
- lan9303: convert to PHYLINK
- lan966x: support TC flower filter statistics
- lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
- lan937x: support Credit Based Shaper configuration
- ksz9477: support Energy Efficient Ethernet
- other:
- qca8k: convert to regmap read/write API, use bulk operations
- rswitch: Improve TX timestamp accuracy
- Intel WiFi (iwlwifi):
- EHT (Wi-Fi 7) rate reporting
- STEP equalizer support: transfer some STEP (connection to radio
on platforms with integrated wifi) related parameters from the
BIOS to the firmware.
- Qualcomm 802.11ax WiFi (ath11k):
- IPQ5018 support
- Fine Timing Measurement (FTM) responder role support
- channel 177 support
- MediaTek WiFi (mt76):
- per-PHY LED support
- mt7996: EHT (Wi-Fi 7) support
- Wireless Ethernet Dispatch (WED) reset support
- switch to using page pool allocator
- RealTek WiFi (rtw89):
- support new version of Bluetooth co-existance
- Mobile:
- rmnet: support TX aggregation.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core:
- Add dedicated kmem_cache for typical/small skb->head, avoid having
to access struct page at kfree time, and improve memory use.
- Introduce sysctl to set default RPS configuration for new netdevs.
- Define Netlink protocol specification format which can be used to
describe messages used by each family and auto-generate parsers.
Add tools for generating kernel data structures and uAPI headers.
- Expose all net/core sysctls inside netns.
- Remove 4s sleep in netpoll if carrier is instantly detected on
boot.
- Add configurable limit of MDB entries per port, and port-vlan.
- Continue populating drop reasons throughout the stack.
- Retire a handful of legacy Qdiscs and classifiers.
Protocols:
- Support IPv4 big TCP (TSO frames larger than 64kB).
- Add IP_LOCAL_PORT_RANGE socket option, to control local port range
on socket by socket basis.
- Track and report in procfs number of MPTCP sockets used.
- Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
manager.
- IPv6: don't check net.ipv6.route.max_size and rely on garbage
collection to free memory (similarly to IPv4).
- Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).
- ICMP: add per-rate limit counters.
- Add support for user scanning requests in ieee802154.
- Remove static WEP support.
- Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
reporting.
- WiFi 7 EHT channel puncturing support (client & AP).
BPF:
- Add a rbtree data structure following the "next-gen data structure"
precedent set by recently added linked list, that is, by using
kfunc + kptr instead of adding a new BPF map type.
- Expose XDP hints via kfuncs with initial support for RX hash and
timestamp metadata.
- Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
better support decap on GRE tunnel devices not operating in collect
metadata.
- Improve x86 JIT's codegen for PROBE_MEM runtime error checks.
- Remove the need for trace_printk_lock for bpf_trace_printk and
bpf_trace_vprintk helpers.
- Extend libbpf's bpf_tracing.h support for tracing arguments of
kprobes/uprobes and syscall as a special case.
- Significantly reduce the search time for module symbols by
livepatch and BPF.
- Enable cpumasks to be used as kptrs, which is useful for tracing
programs tracking which tasks end up running on which CPUs in
different time intervals.
- Add support for BPF trampoline on s390x and riscv64.
- Add capability to export the XDP features supported by the NIC.
- Add __bpf_kfunc tag for marking kernel functions as kfuncs.
- Add cgroup.memory=nobpf kernel parameter option to disable BPF
memory accounting for container environments.
Netfilter:
- Remove the CLUSTERIP target. It has been marked as obsolete for
years, and we still have WARN splats wrt races of the out-of-band
/proc interface installed by this target.
- Add 'destroy' commands to nf_tables. They are identical to the
existing 'delete' commands, but do not return an error if the
referenced object (set, chain, rule...) did not exist.
Driver API:
- Improve cpumask_local_spread() locality to help NICs set the right
IRQ affinity on AMD platforms.
- Separate C22 and C45 MDIO bus transactions more clearly.
- Introduce new DCB table to control DSCP rewrite on egress.
- Support configuration of Physical Layer Collision Avoidance (PLCA)
Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
shared medium Ethernet.
- Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
preemption of low priority frames by high priority frames.
- Add support for controlling MACSec offload using netlink SET.
- Rework devlink instance refcounts to allow registration and
de-registration under the instance lock. Split the code into
multiple files, drop some of the unnecessarily granular locks and
factor out common parts of netlink operation handling.
- Add TX frame aggregation parameters (for USB drivers).
- Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
messages with notifications for debug.
- Allow offloading of UDP NEW connections via act_ct.
- Add support for per action HW stats in TC.
- Support hardware miss to TC action (continue processing in SW from
a specific point in the action chain).
- Warn if old Wireless Extension user space interface is used with
modern cfg80211/mac80211 drivers. Do not support Wireless
Extensions for Wi-Fi 7 devices at all. Everyone should switch to
using nl80211 interface instead.
- Improve the CAN bit timing configuration. Use extack to return
error messages directly to user space, update the SJW handling,
including the definition of a new default value that will benefit
CAN-FD controllers, by increasing their oscillator tolerance.
New hardware / drivers:
- Ethernet:
- nVidia BlueField-3 support (control traffic driver)
- Ethernet support for imx93 SoCs
- Motorcomm yt8531 gigabit Ethernet PHY
- onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
- Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
- Amlogic gxl MDIO mux
- WiFi:
- RealTek RTL8188EU (rtl8xxxu)
- Qualcomm Wi-Fi 7 devices (ath12k)
- CAN:
- Renesas R-Car V4H
Drivers:
- Bluetooth:
- Set Per Platform Antenna Gain (PPAG) for Intel controllers.
- Ethernet NICs:
- Intel (1G, igc):
- support TSN / Qbv / packet scheduling features of i226 model
- Intel (100G, ice):
- use GNSS subsystem instead of TTY
- multi-buffer XDP support
- extend support for GPIO pins to E823 devices
- nVidia/Mellanox:
- update the shared buffer configuration on PFC commands
- implement PTP adjphase function for HW offset control
- TC support for Geneve and GRE with VF tunnel offload
- more efficient crypto key management method
- multi-port eswitch support
- Netronome/Corigine:
- add DCB IEEE support
- support IPsec offloading for NFP3800
- Freescale/NXP (enetc):
- support XDP_REDIRECT for XDP non-linear buffers
- improve reconfig, avoid link flap and waiting for idle
- support MAC Merge layer
- Other NICs:
- sfc/ef100: add basic devlink support for ef100
- ionic: rx_push mode operation (writing descriptors via MMIO)
- bnxt: use the auxiliary bus abstraction for RDMA
- r8169: disable ASPM and reset bus in case of tx timeout
- cpsw: support QSGMII mode for J721e CPSW9G
- cpts: support pulse-per-second output
- ngbe: add an mdio bus driver
- usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
- r8152: handle devices with FW with NCM support
- amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
- virtio-net: support multi buffer XDP
- virtio/vsock: replace virtio_vsock_pkt with sk_buff
- tsnep: XDP support
- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add support for latency TLV (in FW control messages)
- Microchip (sparx5):
- separate explicit and implicit traffic forwarding rules, make
the implicit rules always active
- add support for egress DSCP rewrite
- IS0 VCAP support (Ingress Classification)
- IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
etc.)
- ES2 VCAP support (Egress Access Control)
- support for Per-Stream Filtering and Policing (802.1Q,
8.6.5.1)
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- add MAB (port auth) offload support
- enable PTP receive for mv88e6390
- NXP (ocelot):
- support MAC Merge layer
- support for the the vsc7512 internal copper phys
- Microchip:
- lan9303: convert to PHYLINK
- lan966x: support TC flower filter statistics
- lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
- lan937x: support Credit Based Shaper configuration
- ksz9477: support Energy Efficient Ethernet
- other:
- qca8k: convert to regmap read/write API, use bulk operations
- rswitch: Improve TX timestamp accuracy
- Intel WiFi (iwlwifi):
- EHT (Wi-Fi 7) rate reporting
- STEP equalizer support: transfer some STEP (connection to radio
on platforms with integrated wifi) related parameters from the
BIOS to the firmware.
- Qualcomm 802.11ax WiFi (ath11k):
- IPQ5018 support
- Fine Timing Measurement (FTM) responder role support
- channel 177 support
- MediaTek WiFi (mt76):
- per-PHY LED support
- mt7996: EHT (Wi-Fi 7) support
- Wireless Ethernet Dispatch (WED) reset support
- switch to using page pool allocator
- RealTek WiFi (rtw89):
- support new version of Bluetooth co-existance
- Mobile:
- rmnet: support TX aggregation"
* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
page_pool: add a comment explaining the fragment counter usage
net: ethtool: fix __ethtool_dev_mm_supported() implementation
ethtool: pse-pd: Fix double word in comments
xsk: add linux/vmalloc.h to xsk.c
sefltests: netdevsim: wait for devlink instance after netns removal
selftest: fib_tests: Always cleanup before exit
net/mlx5e: Align IPsec ASO result memory to be as required by hardware
net/mlx5e: TC, Set CT miss to the specific ct action instance
net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
net/mlx5: Refactor tc miss handling to a single function
net/mlx5: Kconfig: Make tc offload depend on tc skb extension
net/sched: flower: Support hardware miss to tc action
net/sched: flower: Move filter handle initialization earlier
net/sched: cls_api: Support hardware miss to tc action
net/sched: Rename user cookie and act cookie
sfc: fix builds without CONFIG_RTC_LIB
sfc: clean up some inconsistent indentings
net/mlx4_en: Introduce flexible array to silence overflow warning
net: lan966x: Fix possible deadlock inside PTP
net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
...
|
||
Paul E. McKenney
|
b743852ccc |
Allow forcing unconditional bootconfig processing
The BOOT_CONFIG family of Kconfig options allows a bootconfig file containing kernel boot parameters to be embedded into an initrd or into the kernel itself. This can be extremely useful when deploying kernels in cases where some of the boot parameters depend on the kernel version rather than on the server hardware, firmware, or workload. Unfortunately, the "bootconfig" kernel parameter must be specified in order to cause the kernel to look for the embedded bootconfig file, and it clearly does not help to embed this "bootconfig" kernel parameter into that file. Therefore, provide a new BOOT_CONFIG_FORCE Kconfig option that causes the kernel to act as if the "bootconfig" kernel parameter had been specified. In other words, kernels built with CONFIG_BOOT_CONFIG_FORCE=y will look for the embedded bootconfig file even when the "bootconfig" kernel parameter is omitted. This permits kernel-version-dependent kernel boot parameters to be embedded into the kernel image without the need to (for example) update large numbers of boot loaders. Link: https://lore.kernel.org/all/20230105005838.GA1772817@paulmck-ThinkPad-P17-Gen-1/ Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: <linux-doc@vger.kernel.org> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> |
||
|
Linus Torvalds
|
877934769e |
- Cache the AMD debug registers in per-CPU variables to avoid MSR writes
where possible, when supporting a debug registers swap feature for SEV-ES guests - Add support for AMD's version of eIBRS called Automatic IBRS which is a set-and-forget control of indirect branch restriction speculation resources on privilege change - Add support for a new x86 instruction - LKGS - Load kernel GS which is part of the FRED infrastructure - Reset SPEC_CTRL upon init to accomodate use cases like kexec which rediscover - Other smaller fixes and cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmP1RDIACgkQEsHwGGHe VUohBw//ZB9ZRqsrKdm6D9YaP2x4Zb+kqKqo6rjYeWaYqyPyCwDujPwh+pb3Oq1t aj62muDv1t/wEJc8mKNkfXkjEEtBVAOcpb5YIpKreoEvNKyevol83Ih0u5iJcTRE E5qf8HDS8b/JZrcazJJLl6WQmQNH5RiKSu5bbCpRhoeOcyo5pRYR5MztK9vNmAQk GMdwHsUSU+jN8uiE4HnpaOb/luhgFindRwZVTpdjJegQWLABS8cl3CKeTv4+PW45 isvv37XnQP248wsptIEVRHeG6g3g/HtvwRx7DikUw06QwUyUK7H9hJssOoSP8TL9 u4psRwfWnJ1OxU6klL+s0Ii+pjQ97wXmK/oqK7QkdUwhWqR/mQAW2e9kWHAngyDn A6mKbzSM6HFAeSXQpB9cMb6uvYRD44SngDFe3WXtEK8jiiQ70ikUm4E28I5KJOPg s+RyioHk0NFRHYSOOBqNG1NKz6ED7L3GbgbbzxkgMh21AAyI3X351t+PtGoLV5ew eqOsM7lbg9Scg1LvPk1JcoALS8USWqgar397rz9qGUs+OkPWBtEBCmTdMz/Eb+2t g/WHdLS5/ajSs5gNhT99W3DeqZMPDEkgBRSeyBBmY3CUD3gBL2wXEktRXv504zBR RC4oyUPX3c9E2ib6GATLE3kBLbcz9hTWbMxF+X3lLJvTVd/Qc2o= =v/ZC -----END PGP SIGNATURE----- Merge tag 'x86_cpu_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cpuid updates from Borislav Petkov: - Cache the AMD debug registers in per-CPU variables to avoid MSR writes where possible, when supporting a debug registers swap feature for SEV-ES guests - Add support for AMD's version of eIBRS called Automatic IBRS which is a set-and-forget control of indirect branch restriction speculation resources on privilege change - Add support for a new x86 instruction - LKGS - Load kernel GS which is part of the FRED infrastructure - Reset SPEC_CTRL upon init to accomodate use cases like kexec which rediscover - Other smaller fixes and cleanups * tag 'x86_cpu_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/amd: Cache debug register values in percpu variables KVM: x86: Propagate the AMD Automatic IBRS feature to the guest x86/cpu: Support AMD Automatic IBRS x86/cpu, kvm: Add the SMM_CTL MSR not present feature x86/cpu, kvm: Add the Null Selector Clears Base feature x86/cpu, kvm: Move X86_FEATURE_LFENCE_RDTSC to its native leaf x86/cpu, kvm: Add the NO_NESTED_DATA_BP feature KVM: x86: Move open-coded CPUID leaf 0x80000021 EAX bit propagation code x86/cpu, kvm: Add support for CPUID_80000021_EAX x86/gsseg: Add the new <asm/gsseg.h> header to <asm/asm-prototypes.h> x86/gsseg: Use the LKGS instruction if available for load_gs_index() x86/gsseg: Move load_gs_index() to its own new header file x86/gsseg: Make asm_load_gs_index() take an u16 x86/opcode: Add the LKGS instruction to x86-opcode-map x86/cpufeature: Add the CPU feature bit for LKGS x86/bugs: Reset speculation control settings on init x86/cpu: Remove redundant extern x86_read_arch_cap_msr() |
||
|
Linus Torvalds
|
1b72607d73 |
Thermal control updates for 6.3-rc1
- Rework a large bunch of drivers to use the generic thermal trip
structure and use the opportunity to do more cleanups by removing
unused functions from the OF code (Daniel Lezcano).
- Remove core header inclusion from drivers (Daniel Lezcano).
- Fix some locking issues related to the generic thermal trip rework
(Johan Hovold).
- Fix a crash when requesting the critical temperature on tegra, which
is related to the generic trip point work (Jon Hunter).
- Clean up thermal device unregistration code (Viresh Kumar).
- Fix and clean up thermal control core initialization error code
paths (Daniel Lezcano).
- Relocate the trip points handling code into a separate file (Daniel
Lezcano).
- Make the thermal core fail registration of thermal zones and cooling
devices if the thermal class has not been registered (Rafael Wysocki).
- Add trip point initialization helper functions for ACPI-defined trip
points and modify two thermal drivers to use them (Rafael Wysocki,
Daniel Lezcano).
- Make the core thermal control code use sysfs_emit_at() instead of
scnprintf() where applicable (ye xingchen).
- Consolidate code accessing the Intel TCC (Thermal Control Circuitry)
MSRs by introducing library functions for that and making the
TCC-related code in thermal drivers use them (Zhang Rui).
- Enhance the x86_pkg_temp_thermal driver to support dynamic tjmax
changes (Zhang Rui).
- Address an "unsigned expression compared with zero" warning in the
intel_soc_dts_iosf thermal driver (Yang Li).
- Update comments regarding two functions in the Intel Menlow thermal
driver (Deming Wang).
- Use sysfs_emit_at() instead of scnprintf() in the int340x thermal
driver (ye xingchen).
- Make the intel_pch thermal driver support the Wellsburg PCH (Tim
Zimmermann).
- Modify the intel_pch and processor_thermal_device_pci thermal drivers
use generic trip point tables instead of thermal zone trip point
callbacks (Daniel Lezcano).
- Add production mode attribute sysfs attribute to the int340x thermal
driver (Srinivas Pandruvada).
- Rework dynamic trip point updates handling and locking in the int340x
thermal driver (Rafael Wysocki).
- Make the int340x thermal driver use a generic trip points table
instead of thermal zone trip point callbacks (Rafael Wysocki, Daniel
Lezcano).
- Clean up and improve the int340x thermal driver (Rafael Wysocki).
- Simplify and clean up the intel_pch thermal driver (Rafael Wysocki).
- Fix the Intel powerclamp thermal driver and make it use the common
idle injection framework (Srinivas Pandruvada).
- Add two module parameters, cpumask and max_idle, to the Intel powerclamp
thermal driver to allow it to affect only a specific subset of CPUs
instead of all of them (Srinivas Pandruvada).
- Make the Intel quark_dts thermal driver Use generic trip point
objects instead of its own trip point representation (Daniel
Lezcano).
- Add toctree entry for thermal documents and fix two issues in the
Intel powerclamp driver documentation (Bagas Sanjaya).
- Use strscpy() to instead of strncpy() in the thermal core (Xu Panda).
- Fix thermal_sampling_exit() (Vincent Guittot).
- Add Mediatek Low Voltage Thermal Sensor (LVTS) driver (Balsam Chihi).
- Add r8a779g0 RCar support to the rcar_gen3 thermal driver (Geert
Uytterhoeven).
- Fix useless call to set_trips() when resuming in the rcar_gen3
thermal control driver and add interrupt support detection at init
time to it (Niklas Söderlund).
- Fix memory corruption in the hi3660 thermal driver (Yongqin Liu).
- Fix include path for libnl3 in pkg-config file for libthermal (Vibhav
Pant).
- Remove syscfg-based driver for st as the platform is not supported
any more (Alain Volmat).
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Merge tag 'thermal-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"The majority of changes here are related to the general switch-over to
using arrays of generic trip point structures registered along with a
thermal zone instead of trip point callbacks (this has been done
mostly by Daniel Lezcano with some help from yours truly on the Intel
drivers front).
Apart from that and the related reorganization of code, there are some
enhancements of the existing driver and a new Mediatek Low Voltage
Thermal Sensor (LVTS) driver. The Intel powerclamp undergoes a major
rework so it will use the generic idle_inject facility for CPU idle
time injection going forward and it will take additional module
parameters for specifying the subset of CPUs to be affected by it
(work done by Srinivas Pandruvada).
Also included are assorted fixes and a whole bunch of cleanups.
Specifics:
- Rework a large bunch of drivers to use the generic thermal trip
structure and use the opportunity to do more cleanups by removing
unused functions from the OF code (Daniel Lezcano)
- Remove core header inclusion from drivers (Daniel Lezcano)
- Fix some locking issues related to the generic thermal trip rework
(Johan Hovold)
- Fix a crash when requesting the critical temperature on tegra,
which is related to the generic trip point work (Jon Hunter)
- Clean up thermal device unregistration code (Viresh Kumar)
- Fix and clean up thermal control core initialization error code
paths (Daniel Lezcano)
- Relocate the trip points handling code into a separate file (Daniel
Lezcano)
- Make the thermal core fail registration of thermal zones and
cooling devices if the thermal class has not been registered
(Rafael Wysocki)
- Add trip point initialization helper functions for ACPI-defined
trip points and modify two thermal drivers to use them (Rafael
Wysocki, Daniel Lezcano)
- Make the core thermal control code use sysfs_emit_at() instead of
scnprintf() where applicable (ye xingchen)
- Consolidate code accessing the Intel TCC (Thermal Control
Circuitry) MSRs by introducing library functions for that and
making the TCC-related code in thermal drivers use them (Zhang Rui)
- Enhance the x86_pkg_temp_thermal driver to support dynamic tjmax
changes (Zhang Rui)
- Address an "unsigned expression compared with zero" warning in the
intel_soc_dts_iosf thermal driver (Yang Li)
- Update comments regarding two functions in the Intel Menlow thermal
driver (Deming Wang)
- Use sysfs_emit_at() instead of scnprintf() in the int340x thermal
driver (ye xingchen)
- Make the intel_pch thermal driver support the Wellsburg PCH (Tim
Zimmermann)
- Modify the intel_pch and processor_thermal_device_pci thermal
drivers use generic trip point tables instead of thermal zone trip
point callbacks (Daniel Lezcano)
- Add production mode attribute sysfs attribute to the int340x
thermal driver (Srinivas Pandruvada)
- Rework dynamic trip point updates handling and locking in the
int340x thermal driver (Rafael Wysocki)
- Make the int340x thermal driver use a generic trip points table
instead of thermal zone trip point callbacks (Rafael Wysocki,
Daniel Lezcano)
- Clean up and improve the int340x thermal driver (Rafael Wysocki)
- Simplify and clean up the intel_pch thermal driver (Rafael Wysocki)
- Fix the Intel powerclamp thermal driver and make it use the common
idle injection framework (Srinivas Pandruvada)
- Add two module parameters, cpumask and max_idle, to the Intel
powerclamp thermal driver to allow it to affect only a specific
subset of CPUs instead of all of them (Srinivas Pandruvada)
- Make the Intel quark_dts thermal driver Use generic trip point
objects instead of its own trip point representation (Daniel
Lezcano)
- Add toctree entry for thermal documents and fix two issues in the
Intel powerclamp driver documentation (Bagas Sanjaya)
- Use strscpy() to instead of strncpy() in the thermal core (Xu
Panda)
- Fix thermal_sampling_exit() (Vincent Guittot)
- Add Mediatek Low Voltage Thermal Sensor (LVTS) driver (Balsam
Chihi)
- Add r8a779g0 RCar support to the rcar_gen3 thermal driver (Geert
Uytterhoeven)
- Fix useless call to set_trips() when resuming in the rcar_gen3
thermal control driver and add interrupt support detection at init
time to it (Niklas Söderlund)
- Fix memory corruption in the hi3660 thermal driver (Yongqin Liu)
- Fix include path for libnl3 in pkg-config file for libthermal
(Vibhav Pant)
- Remove syscfg-based driver for st as the platform is not supported
any more (Alain Volmat)"
* tag 'thermal-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (135 commits)
thermal/drivers/st: Remove syscfg based driver
thermal: Remove core header inclusion from drivers
tools/lib/thermal: Fix include path for libnl3 in pkg-config file.
thermal/drivers/hisi: Drop second sensor hi3660
thermal/drivers/rcar_gen3_thermal: Fix device initialization
thermal/drivers/rcar_gen3_thermal: Create device local ops struct
thermal/drivers/rcar_gen3_thermal: Do not call set_trips() when resuming
thermal/drivers/rcar_gen3: Add support for R-Car V4H
dt-bindings: thermal: rcar-gen3-thermal: Add r8a779g0 support
thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver
dt-bindings: thermal: mediatek: Add LVTS thermal controllers
thermal/drivers/mediatek: Relocate driver to mediatek folder
tools/lib/thermal: Fix thermal_sampling_exit()
Documentation: powerclamp: Fix numbered lists formatting
Documentation: powerclamp: Escape wildcard in cpumask description
Documentation: admin-guide: Add toctree entry for thermal docs
thermal: intel: powerclamp: Add two module parameters
Documentation: admin-guide: Move intel_powerclamp documentation
thermal: core: Use sysfs_emit_at() instead of scnprintf()
thermal: intel: powerclamp: Fix duration module parameter
...
|
||
|
Linus Torvalds
|
2504ba8b01 |
Power management updates for 6.3-rc1
- Add EPP support to the AMD P-state cpufreq driver (Perry Yuan, Wyes
Karny, Arnd Bergmann, Bagas Sanjaya).
- Drop the custom cpufreq driver for loongson1 that is not necessary
any more and the corresponding cpufreq platform device (Keguang
Zhang).
- Remove "select SRCU" from system sleep, cpufreq and OPP Kconfig
entries (Paul E. McKenney).
- Enable thermal cooling for Tegra194 (Yi-Wei Wang).
- Register module device table and add missing compatibles for
cpufreq-qcom-hw (Nícolas F. R. A. Prado, Abel Vesa and Luca Weiss).
- Various dt binding updates for qcom-cpufreq-nvmem and opp-v2-kryo-cpu
(Christian Marangi).
- Make kobj_type structure in the cpufreq core constant (Thomas
Weißschuh).
- Make cpufreq_unregister_driver() return void (Uwe Kleine-König).
- Make the TEO cpuidle governor check CPU utilization in order to refine
idle state selection (Kajetan Puchalski).
- Make Kconfig select the haltpoll cpuidle governor when the haltpoll
cpuidle driver is selected and replace a default_idle() call in that
driver with arch_cpu_idle() to allow MWAIT to be used (Li RongQing).
- Add Emerald Rapids Xeon support to the intel_idle driver (Artem
Bityutskiy).
- Add ARCH_SUSPEND_POSSIBLE dependencies for ARMv4 cpuidle drivers to
avoid randconfig build failures (Arnd Bergmann).
- Make kobj_type structures used in the cpuidle sysfs interface
constant (Thomas Weißschuh).
- Make the cpuidle driver registration code update microsecond values
of idle state parameters in accordance with their nanosecond values
if they are provided (Rafael Wysocki).
- Make the PSCI cpuidle driver prevent topology CPUs from being
suspended on PREEMPT_RT (Krzysztof Kozlowski).
- Document that pm_runtime_force_suspend() cannot be used with
DPM_FLAG_SMART_SUSPEND (Richard Fitzgerald).
- Add EXPORT macros for exporting PM functions from drivers (Richard
Fitzgerald).
- Remove /** from non-kernel-doc comments in hibernation code (Randy
Dunlap).
- Fix possible name leak in powercap_register_zone() (Yang Yingliang).
- Add Meteor Lake and Emerald Rapids support to the intel_rapl power
capping driver (Zhang Rui).
- Modify the idle_inject power capping facility to support 100% idle
injection (Srinivas Pandruvada).
- Fix large time windows handling in the intel_rapl power capping
driver (Zhang Rui).
- Fix memory leaks with using debugfs_lookup() in the generic PM
domains and Energy Model code (Greg Kroah-Hartman).
- Add missing 'cache-unified' property in the example for kryo OPP
bindings (Rob Herring).
- Fix error checking in opp_migrate_dentry() (Qi Zheng).
- Let qcom,opp-fuse-level be a 2-long array for qcom SoCs (Konrad
Dybcio).
- Modify some power management utilities to use the canonical ftrace
path (Ross Zwisler).
- Correct spelling problems for Documentation/power/ as reported by
codespell (Randy Dunlap).
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Merge tag 'pm-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add EPP support to the AMD P-state cpufreq driver, add support
for new platforms to the Intel RAPL power capping driver, intel_idle
and the Qualcomm cpufreq driver, enable thermal cooling for Tegra194,
drop the custom cpufreq driver for loongson1 that is not necessary any
more (and the corresponding cpufreq platform device), fix assorted
issues and clean up code.
Specifics:
- Add EPP support to the AMD P-state cpufreq driver (Perry Yuan, Wyes
Karny, Arnd Bergmann, Bagas Sanjaya)
- Drop the custom cpufreq driver for loongson1 that is not necessary
any more and the corresponding cpufreq platform device (Keguang
Zhang)
- Remove "select SRCU" from system sleep, cpufreq and OPP Kconfig
entries (Paul E. McKenney)
- Enable thermal cooling for Tegra194 (Yi-Wei Wang)
- Register module device table and add missing compatibles for
cpufreq-qcom-hw (Nícolas F. R. A. Prado, Abel Vesa and Luca Weiss)
- Various dt binding updates for qcom-cpufreq-nvmem and
opp-v2-kryo-cpu (Christian Marangi)
- Make kobj_type structure in the cpufreq core constant (Thomas
Weißschuh)
- Make cpufreq_unregister_driver() return void (Uwe Kleine-König)
- Make the TEO cpuidle governor check CPU utilization in order to
refine idle state selection (Kajetan Puchalski)
- Make Kconfig select the haltpoll cpuidle governor when the haltpoll
cpuidle driver is selected and replace a default_idle() call in
that driver with arch_cpu_idle() to allow MWAIT to be used (Li
RongQing)
- Add Emerald Rapids Xeon support to the intel_idle driver (Artem
Bityutskiy)
- Add ARCH_SUSPEND_POSSIBLE dependencies for ARMv4 cpuidle drivers to
avoid randconfig build failures (Arnd Bergmann)
- Make kobj_type structures used in the cpuidle sysfs interface
constant (Thomas Weißschuh)
- Make the cpuidle driver registration code update microsecond values
of idle state parameters in accordance with their nanosecond values
if they are provided (Rafael Wysocki)
- Make the PSCI cpuidle driver prevent topology CPUs from being
suspended on PREEMPT_RT (Krzysztof Kozlowski)
- Document that pm_runtime_force_suspend() cannot be used with
DPM_FLAG_SMART_SUSPEND (Richard Fitzgerald)
- Add EXPORT macros for exporting PM functions from drivers (Richard
Fitzgerald)
- Remove /** from non-kernel-doc comments in hibernation code (Randy
Dunlap)
- Fix possible name leak in powercap_register_zone() (Yang Yingliang)
- Add Meteor Lake and Emerald Rapids support to the intel_rapl power
capping driver (Zhang Rui)
- Modify the idle_inject power capping facility to support 100% idle
injection (Srinivas Pandruvada)
- Fix large time windows handling in the intel_rapl power capping
driver (Zhang Rui)
- Fix memory leaks with using debugfs_lookup() in the generic PM
domains and Energy Model code (Greg Kroah-Hartman)
- Add missing 'cache-unified' property in the example for kryo OPP
bindings (Rob Herring)
- Fix error checking in opp_migrate_dentry() (Qi Zheng)
- Let qcom,opp-fuse-level be a 2-long array for qcom SoCs (Konrad
Dybcio)
- Modify some power management utilities to use the canonical ftrace
path (Ross Zwisler)
- Correct spelling problems for Documentation/power/ as reported by
codespell (Randy Dunlap)"
* tag 'pm-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (53 commits)
Documentation: amd-pstate: disambiguate user space sections
cpufreq: amd-pstate: Fix invalid write to MSR_AMD_CPPC_REQ
dt-bindings: opp: opp-v2-kryo-cpu: enlarge opp-supported-hw maximum
dt-bindings: cpufreq: qcom-cpufreq-nvmem: make cpr bindings optional
dt-bindings: cpufreq: qcom-cpufreq-nvmem: specify supported opp tables
PM: Add EXPORT macros for exporting PM functions
cpuidle: psci: Do not suspend topology CPUs on PREEMPT_RT
MIPS: loongson32: Drop obsolete cpufreq platform device
powercap: intel_rapl: Fix handling for large time window
cpuidle: driver: Update microsecond values of state parameters as needed
cpuidle: sysfs: make kobj_type structures constant
cpuidle: add ARCH_SUSPEND_POSSIBLE dependencies
PM: EM: fix memory leak with using debugfs_lookup()
PM: domains: fix memory leak with using debugfs_lookup()
cpufreq: Make kobj_type structure constant
cpufreq: davinci: Fix clk use after free
cpufreq: amd-pstate: avoid uninitialized variable use
cpufreq: Make cpufreq_unregister_driver() return void
OPP: fix error checking in opp_migrate_dentry()
dt-bindings: cpufreq: cpufreq-qcom-hw: Add SM8550 compatible
...
|
||
|
Linus Torvalds
|
8cc01d43f8 |
RCU pull request for v6.3
This pull request contains the following branches:
doc.2023.01.05a: Documentation updates.
fixes.2023.01.23a: Miscellaneous fixes, perhaps most notably:
o Throttling callback invocation based on the number of callbacks
that are now ready to invoke instead of on the total number
of callbacks.
o Several patches that suppress false-positive boot-time
diagnostics, for example, due to lockdep not yet being
initialized.
o Make expedited RCU CPU stall warnings dump stacks of any tasks
that are blocking the stalled grace period. (Normal RCU CPU
stall warnings have doen this for mnay years.)
o Lazy-callback fixes to avoid delays during boot, suspend, and
resume. (Note that lazy callbacks must be explicitly enabled,
so this should not (yet) affect production use cases.)
kvfree.2023.01.03a: Cause kfree_rcu() and friends to take advantage of
polled grace periods, thus reducing memory footprint by almost
two orders of magnitude, admittedly on a microbenchmark.
This series also begins the transition from kfree_rcu(p) to
kfree_rcu_mightsleep(p). This transition was motivated by bugs
where kfree_rcu(p), which can block, was typed instead of the
intended kfree_rcu(p, rh).
srcu.2023.01.03a: SRCU updates, perhaps most notably fixing a bug that
causes SRCU to fail when booted on a system with a non-zero boot
CPU. This surprising situation actually happens for kdump kernels
on the powerpc architecture. It also adds an srcu_down_read()
and srcu_up_read(), which act like srcu_read_lock() and
srcu_read_unlock(), but allow an SRCU read-side critical section
to be handed off from one task to another.
srcu-always.2023.02.02a: Cleans up the now-useless SRCU Kconfig option.
There are a few more commits that are not yet acked or pulled
into maintainer trees, and these will be in a pull request for
a later merge window.
tasks.2023.01.03a: RCU-tasks updates, perhaps most notably these fixes:
o A strange interaction between PID-namespace unshare and the
RCU-tasks grace period that results in a low-probability but
very real hang.
o A race between an RCU tasks rude grace period on a single-CPU
system and CPU-hotplug addition of the second CPU that can result
in a too-short grace period.
o A race between shrinking RCU tasks down to a single callback list
and queuing a new callback to some other CPU, but where that
queuing is delayed for more than an RCU grace period. This can
result in that callback being stranded on the non-boot CPU.
torture.2023.01.05a: Torture-test updates and fixes.
torturescript.2023.01.03a: Torture-test scripting updates and fixes.
stall.2023.01.09a: Provide additional RCU CPU stall-warning information
in kernels built with CONFIG_RCU_CPU_STALL_CPUTIME=y, and
restore the full five-minute timeout limit for expedited RCU
CPU stall warnings.
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Merge tag 'rcu.2023.02.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU updates from Paul McKenney:
- Documentation updates
- Miscellaneous fixes, perhaps most notably:
- Throttling callback invocation based on the number of callbacks
that are now ready to invoke instead of on the total number of
callbacks
- Several patches that suppress false-positive boot-time
diagnostics, for example, due to lockdep not yet being
initialized
- Make expedited RCU CPU stall warnings dump stacks of any tasks
that are blocking the stalled grace period. (Normal RCU CPU
stall warnings have done this for many years)
- Lazy-callback fixes to avoid delays during boot, suspend, and
resume. (Note that lazy callbacks must be explicitly enabled, so
this should not (yet) affect production use cases)
- Make kfree_rcu() and friends take advantage of polled grace periods,
thus reducing memory footprint by almost two orders of magnitude,
admittedly on a microbenchmark
This also begins the transition from kfree_rcu(p) to
kfree_rcu_mightsleep(p). This transition was motivated by bugs where
kfree_rcu(p), which can block, was typed instead of the intended
kfree_rcu(p, rh)
- SRCU updates, perhaps most notably fixing a bug that causes SRCU to
fail when booted on a system with a non-zero boot CPU. This
surprising situation actually happens for kdump kernels on the
powerpc architecture
This also adds an srcu_down_read() and srcu_up_read(), which act like
srcu_read_lock() and srcu_read_unlock(), but allow an SRCU read-side
critical section to be handed off from one task to another
- Clean up the now-useless SRCU Kconfig option
There are a few more commits that are not yet acked or pulled into
maintainer trees, and these will be in a pull request for a later
merge window
- RCU-tasks updates, perhaps most notably these fixes:
- A strange interaction between PID-namespace unshare and the
RCU-tasks grace period that results in a low-probability but
very real hang
- A race between an RCU tasks rude grace period on a single-CPU
system and CPU-hotplug addition of the second CPU that can
result in a too-short grace period
- A race between shrinking RCU tasks down to a single callback
list and queuing a new callback to some other CPU, but where
that queuing is delayed for more than an RCU grace period. This
can result in that callback being stranded on the non-boot CPU
- Torture-test updates and fixes
- Torture-test scripting updates and fixes
- Provide additional RCU CPU stall-warning information in kernels built
with CONFIG_RCU_CPU_STALL_CPUTIME=y, and restore the full five-minute
timeout limit for expedited RCU CPU stall warnings
* tag 'rcu.2023.02.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (80 commits)
rcu/kvfree: Add kvfree_rcu_mightsleep() and kfree_rcu_mightsleep()
kernel/notifier: Remove CONFIG_SRCU
init: Remove "select SRCU"
fs/quota: Remove "select SRCU"
fs/notify: Remove "select SRCU"
fs/btrfs: Remove "select SRCU"
fs: Remove CONFIG_SRCU
drivers/pci/controller: Remove "select SRCU"
drivers/net: Remove "select SRCU"
drivers/md: Remove "select SRCU"
drivers/hwtracing/stm: Remove "select SRCU"
drivers/dax: Remove "select SRCU"
drivers/base: Remove CONFIG_SRCU
rcu: Disable laziness if lazy-tracking says so
rcu: Track laziness during boot and suspend
rcu: Remove redundant call to rcu_boost_kthread_setaffinity()
rcu: Allow up to five minutes expedited RCU CPU stall-warning timeouts
rcu: Align the output of RCU CPU stall warning messages
rcu: Add RCU stall diagnosis information
sched: Add helper nr_context_switches_cpu()
...
|
||
|
Linus Torvalds
|
8ca8d89b43 |
cgroup changes for v6.3-rc1
All the commits are trivial. Doc updates and a trivial code cleanup. -----BEGIN PGP SIGNATURE----- iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCY/Kvjw4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGfcZAQDoyqEm807R2iaELEfee0xq/NPwJIaDRnXDP6ZL rIEtqAD8CzpvvtKauekMIsCHVq7SuxDae8Hi0a/RImN8e1sy6wY= =pUSo -----END PGP SIGNATURE----- Merge tag 'cgroup-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup updates from Tejun Heo: "All the changes are trivial: documentation updates and a trivial code cleanup" * tag 'cgroup-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup/cpuset: fix a few kernel-doc warnings & coding style docs: cgroup-v1: use numbered lists for user interface setup docs: cgroup-v1: add internal cross-references docs: cgroup-v1: make swap extension subsections subsections docs: cgroup-v1: use bullet lists for list of stat file tables docs: cgroup-v1: move hierarchy of accounting caption docs: cgroup-v1: fix footnotes docs: cgroup-v1: use code block for locking order schema docs: cgroup-v1: wrap remaining admonitions in admonition blocks docs: cgroup-v1: replace custom note constructs with appropriate admonition blocks cgroup/cpuset: no need to explicitly init a global static variable |
||
|
Linus Torvalds
|
560b803067 |
Updates for timekeeping, timers and clockevent/source drivers:
Core:
- Yet another round of improvements to make the clocksource watchdog
more robust:
- Relax the clocksource-watchdog skew criteria to match the NTP
criteria.
- Temporarily skip the watchdog when high memory latencies are
detected which can lead to false-positives.
- Provide an option to enable TSC skew detection even on systems
where TSC is marked as reliable.
Sigh!
- Initialize the restart block in the nanosleep syscalls to be directed
to the no restart function instead of doing a partial setup on entry.
This prevents an erroneous restart_syscall() invocation from
corrupting user space data. While such a situation is clearly a user
space bug, preventing this is a correctness issue and caters to the
least suprise principle.
- Ignore the hrtimer slack for realtime tasks in schedule_hrtimeout()
to align it with the nanosleep semantics.
Drivers:
- The obligatory new driver bindings for Mediatek, Rockchip and RISC-V
variants.
- Add support for the C3STOP misfeature to the RISC-V timer to handle
the case where the timer stops in deeper idle state.
- Set up a static key in the RISC-V timer correctly before first use.
- The usual small improvements and fixes all over the place
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Merge tag 'timers-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Updates for timekeeping, timers and clockevent/source drivers:
Core:
- Yet another round of improvements to make the clocksource watchdog
more robust:
- Relax the clocksource-watchdog skew criteria to match the NTP
criteria.
- Temporarily skip the watchdog when high memory latencies are
detected which can lead to false-positives.
- Provide an option to enable TSC skew detection even on systems
where TSC is marked as reliable.
Sigh!
- Initialize the restart block in the nanosleep syscalls to be
directed to the no restart function instead of doing a partial
setup on entry.
This prevents an erroneous restart_syscall() invocation from
corrupting user space data. While such a situation is clearly a
user space bug, preventing this is a correctness issue and caters
to the least suprise principle.
- Ignore the hrtimer slack for realtime tasks in schedule_hrtimeout()
to align it with the nanosleep semantics.
Drivers:
- The obligatory new driver bindings for Mediatek, Rockchip and
RISC-V variants.
- Add support for the C3STOP misfeature to the RISC-V timer to handle
the case where the timer stops in deeper idle state.
- Set up a static key in the RISC-V timer correctly before first use.
- The usual small improvements and fixes all over the place"
* tag 'timers-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
clocksource/drivers/timer-sun4i: Add CLOCK_EVT_FEAT_DYNIRQ
clocksource/drivers/em_sti: Mark driver as non-removable
clocksource/drivers/sh_tmu: Mark driver as non-removable
clocksource/drivers/riscv: Patch riscv_clock_next_event() jump before first use
clocksource/drivers/timer-microchip-pit64b: Add delay timer
clocksource/drivers/timer-microchip-pit64b: Select driver only on ARM
dt-bindings: timer: sifive,clint: add comaptibles for T-Head's C9xx
dt-bindings: timer: mediatek,mtk-timer: add MT8365
clocksource/drivers/riscv: Get rid of clocksource_arch_init() callback
clocksource/drivers/sh_cmt: Mark driver as non-removable
clocksource/drivers/timer-microchip-pit64b: Drop obsolete dependency on COMPILE_TEST
clocksource/drivers/riscv: Increase the clock source rating
clocksource/drivers/timer-riscv: Set CLOCK_EVT_FEAT_C3STOP based on DT
dt-bindings: timer: Add bindings for the RISC-V timer device
RISC-V: time: initialize hrtimer based broadcast clock event device
dt-bindings: timer: rk-timer: Add rktimer for rv1126
time/debug: Fix memory leak with using debugfs_lookup()
clocksource: Enable TSC watchdog checking of HPET and PMTMR only when requested
posix-timers: Use atomic64_try_cmpxchg() in __update_gt_cputime()
clocksource: Verify HPET and PMTMR when TSC unverified
...
|
||
|
Linus Torvalds
|
aa8c3db40a |
- Add support for a new AMD feature called slow memory bandwidth
allocation. Its goal is to control resource allocation in external slow memory which is connected to the machine like for example through CXL devices, accelerators etc -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmPzmf4ACgkQEsHwGGHe VUppKg//Tq+lHaMYO8aTvk4jgqbR9RVXJwPbtEOp2C0kSLs5QxBms/o21IXnxJ07 tdbIGOrfJGlbzSWP8ywysRRQwpKlwltWUVAjMOFqEfzEURLL042qtHZ8nxGKSGrc IZFJLNTMyx1Zyjc7e9A/hANCOoQFoPHT8zHf1CNNo1LtzgHzNZG6kggLHh5tRKSz Xi7wFbYBtmttsyIA/iAQjYAU0O9MnmdnktUb7XdPSFtTIZ3Nyw90We4gwYueEPzD S/rQHKr8V7ROZMHXQ/BWpVWdcxGoHD8acUSVq8j20KW3W9/H8KL9TRVakvnf0aRW g0efxKXdTjTRO49GgD7FUL8x1JdAOXeZwQYDzKPqW/GRESRdpOvsaMwcLDCEpIXK PmEOVReklokJF0btFqaVYkY6wGE2KLKmp97g/RffuHdIeIomwI9lTpy9kyQsKakc yJ+VsE85BlBEVkHNt49qFClO1L98G3IgZTTt6//EGv0EJl8pELfsddsbjG5uXun+ xFhr2i7gllQcV4B4HSFFdYRBLvZYnTfKlNR7Hs9pRJT7V28Jv2GURiCHBm4sRv9O k3FX7sxytH2syBBwU1NNrMRMo+KgjVZurJwiHpTRbb39K6uCgLk/wbXfWh2SovW1 BRItz2T6LFu4bo6WIhakx31pNmH94P8vC0acO8LHECVji7qvXFM= =8hmj -----END PGP SIGNATURE----- Merge tag 'x86_cache_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 resource control updates from Borislav Petkov: - Add support for a new AMD feature called slow memory bandwidth allocation. Its goal is to control resource allocation in external slow memory which is connected to the machine like for example through CXL devices, accelerators etc * tag 'x86_cache_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/resctrl: Fix a silly -Wunused-but-set-variable warning Documentation/x86: Update resctrl.rst for new features x86/resctrl: Add interface to write mbm_local_bytes_config x86/resctrl: Add interface to write mbm_total_bytes_config x86/resctrl: Add interface to read mbm_local_bytes_config x86/resctrl: Add interface to read mbm_total_bytes_config x86/resctrl: Support monitor configuration x86/resctrl: Add __init attribute to rdt_get_mon_l3_config() x86/resctrl: Detect and configure Slow Memory Bandwidth Allocation x86/resctrl: Include new features in command line options x86/cpufeatures: Add Bandwidth Monitoring Event Configuration feature flag x86/resctrl: Add a new resource type RDT_RESOURCE_SMBA x86/cpufeatures: Add Slow Memory Bandwidth Allocation feature flag x86/resctrl: Replace smp_call_function_many() with on_each_cpu_mask() |
||
|
Linus Torvalds
|
1f2d9ffc7a |
Scheduler updates in this cycle are:
- Improve the scalability of the CFS bandwidth unthrottling logic
with large number of CPUs.
- Fix & rework various cpuidle routines, simplify interaction with
the generic scheduler code. Add __cpuidle methods as noinstr to
objtool's noinstr detection and fix boatloads of cpuidle bugs & quirks.
- Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS,
to query previously issued registrations.
- Limit scheduler slice duration to the sysctl_sched_latency period,
to improve scheduling granularity with a large number of SCHED_IDLE
tasks.
- Debuggability enhancement on sys_exit(): warn about disabled IRQs,
but also enable them to prevent a cascade of followup problems and
repeat warnings.
- Fix the rescheduling logic in prio_changed_dl().
- Micro-optimize cpufreq and sched-util methods.
- Micro-optimize ttwu_runnable()
- Micro-optimize the idle-scanning in update_numa_stats(),
select_idle_capacity() and steal_cookie_task().
- Update the RSEQ code & self-tests
- Constify various scheduler methods
- Remove unused methods
- Refine __init tags
- Documentation updates
- ... Misc other cleanups, fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- Improve the scalability of the CFS bandwidth unthrottling logic with
large number of CPUs.
- Fix & rework various cpuidle routines, simplify interaction with the
generic scheduler code. Add __cpuidle methods as noinstr to objtool's
noinstr detection and fix boatloads of cpuidle bugs & quirks.
- Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS, to query
previously issued registrations.
- Limit scheduler slice duration to the sysctl_sched_latency period, to
improve scheduling granularity with a large number of SCHED_IDLE
tasks.
- Debuggability enhancement on sys_exit(): warn about disabled IRQs,
but also enable them to prevent a cascade of followup problems and
repeat warnings.
- Fix the rescheduling logic in prio_changed_dl().
- Micro-optimize cpufreq and sched-util methods.
- Micro-optimize ttwu_runnable()
- Micro-optimize the idle-scanning in update_numa_stats(),
select_idle_capacity() and steal_cookie_task().
- Update the RSEQ code & self-tests
- Constify various scheduler methods
- Remove unused methods
- Refine __init tags
- Documentation updates
- Misc other cleanups, fixes
* tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (110 commits)
sched/rt: pick_next_rt_entity(): check list_entry
sched/deadline: Add more reschedule cases to prio_changed_dl()
sched/fair: sanitize vruntime of entity being placed
sched/fair: Remove capacity inversion detection
sched/fair: unlink misfit task from cpu overutilized
objtool: mem*() are not uaccess safe
cpuidle: Fix poll_idle() noinstr annotation
sched/clock: Make local_clock() noinstr
sched/clock/x86: Mark sched_clock() noinstr
x86/pvclock: Improve atomic update of last_value in pvclock_clocksource_read()
x86/atomics: Always inline arch_atomic64*()
cpuidle: tracing, preempt: Squash _rcuidle tracing
cpuidle: tracing: Warn about !rcu_is_watching()
cpuidle: lib/bug: Disable rcu_is_watching() during WARN/BUG
cpuidle: drivers: firmware: psci: Dont instrument suspend code
KVM: selftests: Fix build of rseq test
exit: Detect and fix irq disabled state in oops
cpuidle, arm64: Fix the ARM64 cpuidle logic
cpuidle: mvebu: Fix duplicate flags assignment
sched/fair: Limit sched slice duration
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Jakub Kicinski
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ee8d72a157 |
bpf-next-for-netdev
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCY+/uBgAKCRDbK58LschI g0ngAPwJHd1RicBuy2C4fLv0nGKZtmYZBAnTGlI2RisPxU6BRwEAwUDLHuc5K6nR j261okOxOy/MRxdN1NhmR6Qe7nMyQAk= =tYU+ -----END PGP SIGNATURE----- Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next Daniel Borkmann says: ==================== pull-request: bpf-next 2023-02-17 We've added 64 non-merge commits during the last 7 day(s) which contain a total of 158 files changed, 4190 insertions(+), 988 deletions(-). The main changes are: 1) Add a rbtree data structure following the "next-gen data structure" precedent set by recently-added linked-list, that is, by using kfunc + kptr instead of adding a new BPF map type, from Dave Marchevsky. 2) Add a new benchmark for hashmap lookups to BPF selftests, from Anton Protopopov. 3) Fix bpf_fib_lookup to only return valid neighbors and add an option to skip the neigh table lookup, from Martin KaFai Lau. 4) Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accouting for container environments, from Yafang Shao. 5) Batch of ice multi-buffer and driver performance fixes, from Alexander Lobakin. 6) Fix a bug in determining whether global subprog's argument is PTR_TO_CTX, which is based on type names which breaks kprobe progs, from Andrii Nakryiko. 7) Prep work for future -mcpu=v4 LLVM option which includes usage of BPF_ST insn. Thus improve BPF_ST-related value tracking in verifier, from Eduard Zingerman. 8) More prep work for later building selftests with Memory Sanitizer in order to detect usages of undefined memory, from Ilya Leoshkevich. 9) Fix xsk sockets to check IFF_UP earlier to avoid a NULL pointer dereference via sendmsg(), from Maciej Fijalkowski. 10) Implement BPF trampoline for RV64 JIT compiler, from Pu Lehui. 11) Fix BPF memory allocator in combination with BPF hashtab where it could corrupt special fields e.g. used in bpf_spin_lock, from Hou Tao. 12) Fix LoongArch BPF JIT to always use 4 instructions for function address so that instruction sequences don't change between passes, from Hengqi Chen. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (64 commits) selftests/bpf: Add bpf_fib_lookup test bpf: Add BPF_FIB_LOOKUP_SKIP_NEIGH for bpf_fib_lookup riscv, bpf: Add bpf trampoline support for RV64 riscv, bpf: Add bpf_arch_text_poke support for RV64 riscv, bpf: Factor out emit_call for kernel and bpf context riscv: Extend patch_text for multiple instructions Revert "bpf, test_run: fix &xdp_frame misplacement for LIVE_FRAMES" selftests/bpf: Add global subprog context passing tests selftests/bpf: Convert test_global_funcs test to test_loader framework bpf: Fix global subprog context argument resolution logic LoongArch, bpf: Use 4 instructions for function address in JIT bpf: bpf_fib_lookup should not return neigh in NUD_FAILED state bpf: Disable bh in bpf_test_run for xdp and tc prog xsk: check IFF_UP earlier in Tx path Fix typos in selftest/bpf files selftests/bpf: Use bpf_{btf,link,map,prog}_get_info_by_fd() samples/bpf: Use bpf_{btf,link,map,prog}_get_info_by_fd() bpftool: Use bpf_{btf,link,map,prog}_get_info_by_fd() libbpf: Use bpf_{btf,link,map,prog}_get_info_by_fd() libbpf: Introduce bpf_{btf,link,map,prog}_get_info_by_fd() ... ==================== Link: https://lore.kernel.org/r/20230217221737.31122-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |