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498a1cf902
1168029 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
498a1cf902 |
Kbuild updates for v6.3
- Change V=1 option to print both short log and full command log.
- Allow V=1 and V=2 to be combined as V=12.
- Make W=1 detect wrong .gitignore files.
- Tree-wide cleanups for unused command line arguments passed to Clang.
- Stop using -Qunused-arguments with Clang.
- Make scripts/setlocalversion handle only correct release tags instead
of any arbitrary annotated tag.
- Create Debian and RPM source packages without cleaning the source tree.
- Various cleanups for packaging.
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Merge tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Change V=1 option to print both short log and full command log
- Allow V=1 and V=2 to be combined as V=12
- Make W=1 detect wrong .gitignore files
- Tree-wide cleanups for unused command line arguments passed to Clang
- Stop using -Qunused-arguments with Clang
- Make scripts/setlocalversion handle only correct release tags instead
of any arbitrary annotated tag
- Create Debian and RPM source packages without cleaning the source
tree
- Various cleanups for packaging
* tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (74 commits)
kbuild: rpm-pkg: remove unneeded KERNELRELEASE from modules/headers_install
docs: kbuild: remove description of KBUILD_LDS_MODULE
.gitattributes: use 'dts' diff driver for *.dtso files
kbuild: deb-pkg: improve the usability of source package
kbuild: deb-pkg: fix binary-arch and clean in debian/rules
kbuild: tar-pkg: use tar rules in scripts/Makefile.package
kbuild: make perf-tar*-src-pkg work without relying on git
kbuild: deb-pkg: switch over to source format 3.0 (quilt)
kbuild: deb-pkg: make .orig tarball a hard link if possible
kbuild: deb-pkg: hide KDEB_SOURCENAME from Makefile
kbuild: srcrpm-pkg: create source package without cleaning
kbuild: rpm-pkg: build binary packages from source rpm
kbuild: deb-pkg: create source package without cleaning
kbuild: add a tool to list files ignored by git
Documentation/llvm: add Chimera Linux, Google and Meta datacenters
setlocalversion: use only the correct release tag for git-describe
setlocalversion: clean up the construction of version output
.gitignore: ignore *.cover and *.mbx
kbuild: remove --include-dir MAKEFLAG from top Makefile
kbuild: fix trivial typo in comment
...
|
||
|
Linus Torvalds
|
4b8c673b76 |
media updates for v6.3-rc1
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||
|
Linus Torvalds
|
d4563201f3 |
Documentation: simplify and clarify DCO contribution example language
Long long ago, in a more innocent time, Greg wrote the clarification for
how the DCO should work and that you couldn't make anonymous
contributions, because the sign-off needed to be something we could
check back with.
It was 2006, and nobody reacted to the wording, the whole Facebook 'real
name' controversy was a decade in the future, and nobody even thought
about it. And despite the language, we've always accepted nicknames and
that language was never meant to be any kind of exclusionary wording.
In fact, even when it became a discussion in other adjacent projects,
apparently nobody even thought to just clarify the language in the
kernel docs, and instead we had projects like the CNCF that had long
discussions about it, and wrote their own clarifications [1] of it.
Just simplify the wording to the point where it shouldn't be causing
unnecessary angst and pain, or scare away people who go by preferred
naming.
Link: https://github.com/cncf/foundation/blob/659fd32c86dc/dco-guidelines.md [1]
Fixes:
|
||
Marek Vasut
|
3e62aba828 |
media: imx-mipi-csis: Check csis_fmt validity before use
The find_csis_format() may return NULL in case supported format is not
found, check the return value of find_csis_format() before using the
result to avoid NULL pointer dereference.
Fixes:
|
||
Hans Verkuil
|
68e87ebf26 |
media: v4l2-subdev.c: clear stream field
Both userspace and kernelspace can pass structs with an uninitialized 'stream' field. Since the check_state() function checks for a non-zero stream field, suddenly these calls will fails with -EINVAL. So check in the wrapper functions in v4l2-subdev.c (which are used by both the kernel and userspace API) if V4L2_SUBDEV_FL_STREAMS is set, and if not, then zero the stream field. Currently no drivers set V4L2_SUBDEV_FL_STREAMS, so the stream field will always be set to 0. This patch might well be reverted in the future when streams support is fully enabled and we finalized the userspace API support for this feature. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
||
Masahiro Yamada
|
7adf14d8ac |
kbuild: rpm-pkg: remove unneeded KERNELRELEASE from modules/headers_install
This is a temporary workaround added by commit |
||
Sangmoon Kim
|
29cbe6ecfd |
docs: kbuild: remove description of KBUILD_LDS_MODULE
Commit
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Masahiro Yamada
|
ae41e0e41b |
.gitattributes: use 'dts' diff driver for *.dtso files
Now we have the third extension for DT source files (overlay). Give the diff=dts attribute to *.dtso as well. While I was here, I merged *.c and *.o into *.[ch] and added the SPDX-License-Identifier. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
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Masahiro Yamada
|
3ab18a625c |
kbuild: deb-pkg: improve the usability of source package
Improve the source package support in case the dpkg-buildpackage is
directly used to build binary packages.
For cross-compiling, you can set CROSS_COMPILE via the environment
variable, but it is better to set it automatically - set it to
${DEB_HOST_GNU_TYPE}- if we are cross-compiling but not from the top
Makefile.
The generated source package may be carried to a different build
environment, which may have a different compiler installed.
Run olddefconfig first to set new CONFIG options to their default
values without prompting.
Take KERNELRELEASE and KBUILD_BUILD_VERSION from the version field of
debian/changelog in case it is updated afterwards.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
|
||
|
Masahiro Yamada
|
c5bf2efb05 |
kbuild: deb-pkg: fix binary-arch and clean in debian/rules
The clean target needs ARCH=${ARCH} to clean up the tree for the correct
architecture. 'make (bin)deb-pkg' skips cleaning, but the preclean hook
may be executed if dpkg-buildpackage is directly used.
The binary-arch target does not need KERNELRELEASE because it is not
updated during the installation. KBUILD_BUILD_VERSION is not needed
either because binary-arch does not build vmlinux.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
|
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Masahiro Yamada
|
1fc9095846 |
kbuild: tar-pkg: use tar rules in scripts/Makefile.package
Use %.tar, %.tar.gz, %.tar.bz2, %.tar.xz, %.tar.zst rules in scripts/Makefile.package. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Masahiro Yamada
|
e0ca16749a |
kbuild: make perf-tar*-src-pkg work without relying on git
Currently, perf-tar*-src-pkg only uses 'git archive', but it is better to make it work without relying on git. The file, HEAD, which saves the commit hash, will be included in the tarball only when the source tree is managed by git. The git tree is more precisely checked; it has been copied from scripts/setlocalversion. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Masahiro Yamada
|
e785399559 |
kbuild: deb-pkg: switch over to source format 3.0 (quilt)
Change the source format from "1.0" to "3.0 (quilt)" because it works more cleanly. All files except .config and debian/ go into the orig tarball. Add a single patch, debian/patches/config, and delete the ugly extend-diff-ignore patterns. The debian tarball will be compressed into *.debian.tar.xz by default. If you like to use a different compression mode, you can pass the command line option, DPKG_FLAGS=-Zgzip, for example. The orig tarball only supports gzip for now. The combination of gzip and xz is somewhat clumsy, but it is not a practical problem. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> |
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Masahiro Yamada
|
b44aa8c96e |
kbuild: deb-pkg: make .orig tarball a hard link if possible
If '..' belongs to the same filesystem, create a hard link instead of a copy. In most cases, you can save disk space. I do not want to use 'mv' because keeping linux.tar.gz is useful to avoid unneeded rebuilding of the tarball. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> |
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Masahiro Yamada
|
6eabebb1b6 |
kbuild: deb-pkg: hide KDEB_SOURCENAME from Makefile
scripts/Makefile.package does not need to know the value of KDEB_SOURCENAME because the source name can be taken from debian/changelog by using dpkg-parsechangelog. Move the default of KDEB_SOURCENAME (i.e. linux-upstream) to scripts/package/mkdebian. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> |
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Masahiro Yamada
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6fc91752d7 |
kbuild: srcrpm-pkg: create source package without cleaning
If you run 'make (src)rpm-pkg', all objects are lost due to 'make clean', which makes the incremental builds impossible. Instead of cleaning, pass the exclude list to tar's --exclude-from option. Previously, the .config was contained in the source tarball. With this commit, the source rpm consists of separate linux.tar.gz and .config. Remove stale comments. Now, 'make (src)rpm-pkg' works with O= option. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Masahiro Yamada
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1ec9bb704f |
kbuild: rpm-pkg: build binary packages from source rpm
The build rules of rpm-pkg and srcrpm-pkg are almost the same. Remove the code duplication. Change rpm-pkg to build binary packages from the source package generated by srcrpm-pkg. This changes the output directory of the srpm generated by 'make rpm-pkg' because srcrpm-pkg overrides _srcrpmdir. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Masahiro Yamada
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7bf4582d7a |
kbuild: deb-pkg: create source package without cleaning
If you run 'make deb-pkg', all objects are lost due to 'make clean', which makes the incremental builds impossible. Instead of cleaning, pass the exclude list to tar's --exclude-from option. Previously, *.diff.gz contained some check-in files such as .clang-format, .cocciconfig. With this commit, *.diff.gz will only contain the .config and debian/. The other source files will go into the .orig tarball. linux.tar.gz is rebuilt only when the source files that would go into the tarball are changed. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> |
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Liam R. Howlett
|
2fcd07b7cc |
mm/mprotect: Fix successful vma_merge() of next in do_mprotect_pkey()
If mprotect_fixup() successfully calls vma_merge() and replaces vma and
the next vma, then the tmp variable in the do_mprotect_pkey() is not
updated to point to the new vma end. This results in the loop detecting
a gap between VMAs that does not exist.
Fix the faulty value of tmp by setting it to the end location of the vma
iterator at the end of the loop.
Link: https://lkml.kernel.org/r/20230224212055.1786100-1-Liam.Howlett@oracle.com
Fixes:
|
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Linus Torvalds
|
1ec35eadc3 |
We have one small patch to the clk core this time around. It fixes a corner
case with the CLK_OPS_PARENT_ENABLE flag combined with clk_core_is_enabled()
where it hangs the system. We'll simply assume the clk is disabled if the
parent is disabled and the flag is set. Trying to turn on the parent to check
the enable state of the clk runs into system hangs at boot. We let this bake in
-next for a couple weeks to make sure there aren't any more issues because the
last attempt to fix this ran into hangs and had to be reverted.
Note: There were some more patches to the core framework around sync_state and
disabling unused clks, but I asked for that to be reverted from the qcom PR
because it isn't ready and we're still discussing the best solution on the
list.
Outside of the core clk framework, we have the usual collection of clk driver
updates and support for new SoCs (which seems to never stop). The dirstat is
dominated by Qualcomm because they added support for quite a few SoCs this time
around and also migrated quite a few of their drivers to clk_parent_data. The
other big diff is in the Mediatek clk drivers that saw a significant rework
this cycle to similarly modernize the code, and we'll see that work continue in
the next cycle as well. Nothing really jumps out as scary here, except that the
significant churn in parent data descriptions can have typos that go unnoticed.
More details below.
Core:
- Honor CLK_OPS_PARENT_ENABLE in clk_core_is_enabled()
New Drivers:
- Add a new clk-gpr-mux clock type and use it on i.MX6Q to add ENET ref
clocks
- Support for Mediatek MT7891 SoC clks
- Support for many Qualcomm clk controllers:
- QDU1000/QRU1000 global clock controller
- SA8775P global clock controller
- SM8550 TCSR and display clock controller
- SM6350 clock controller
- MSM8996 CBF and APCS clock controllers
Updates:
- Various cleanups and improvements to Mediatek clk drivers to reduce
code size and modernize the drivers
- Support for Versa 5P49V60 clks
- Disable R-Car H3 ES1.*, as it was only available to an internal
development group and needed a lot of quirks and workarounds
- Add PWM, Compare-Match Timer (TIM), USB, SDHI, and eMMC clocks and
resets on Renesas RZ/V2M
- Add display clocks on Renesas R-Car V4H
- Add Camera Receiving Unit (CRU) clocks and resets on Renesas RZ/G2L
- Free the imx_uart_clocks even if imx_register_uart_clocks returns early
- Get the stdout clocks count from device tree on i.MX
- Drop the clock count argument from imx_register_uart_clocks()
- Keep the uart clocks on i.MX93 for when earlycon is used
- Fix SPDX comment in i.MX6SLL clocks bindings header
- Drop some unnecessary spaces from i.MX8ULP clocks bindings header
- Add imx_obtain_fixed_of_clock() for allowing to add a clock that is
not configured via devicetree
- Fix the ENET1 gate configuration for i.MX6UL according to the
reference manual
- Add ENET refclock mux support for i.MX6UL
- Add support for USB host/device configuration on Renesas RZ/N1
- Add PLL2 programming support, and CAN-FD clocks on Renesas R-Car V4H
- Add D1 CAN bus gates and resets for Allwinner
- Mark D1 CPUX clock as critical on Allwinner
- Reuse D1 driver for Allwinner R528/T113
- Cleanup sunxi-ng Kconfig
- Fix sunxi-ng kernel-doc issues
- Model Allwinner H3/H5 DRAM clock as fixed clock
- Use .determine_rate() instead of .round_rate() for the dualdiv, mpll,
sclk-div and cpu-dyn-div amlogic clock drivers
- DDR clocks were marked as critical in the proper clock driver for each
AT91 SoC such that drivers/memory/atmel-sdramc.c to be deleted
in the next releases as it only does clock enablement
- Patch to avoid compiling dt-compat.o for all AT91 SoCs as only some of
them may use it
- Support synchronous power_off requests in the qcom GDSC driver for proper
GPU power collapse
- Drop test clocks from various Qualcomm clk drivers
- Update parent references to use clk_parent_data/clk_hw in various Qualcomm clk drivers
- Fixes for the Qualcomm MSM8996 CPU clock controller
- Transition Qualcomm MSM8974 GCC off the externally defined sleep_clk
- Add GDSCs in the global clock controller for Qualcomm QCS404
- The SDCC core clocks on Qualcomm SM6115 are moved to floor_ops
- Programming of clk_dis_wait for GPU CX GDSC on Qualcomm SC7180 and SDM845 are
moved to use the recently introduced properties in the GDSC struct
- Qualcomm's RPMh clock driver gains SM8550 and SA8775P clocks, and the IPA clock
is added on a variety of platforms
- De-duplicate identical clks in Qualcomm SMD RPM clk driver
- Add a few missing clocks across msm8998, msm8992, msm8916, qcs404 to
Qualcomm SDM RPM clk driver
- Various Qualcomm clk drivers use devm_pm_runtime_enable() to simplify
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"We have one small patch to the clk core this time around. It fixes a
corner case with the CLK_OPS_PARENT_ENABLE flag combined with
clk_core_is_enabled() where it hangs the system. We'll simply assume
the clk is disabled if the parent is disabled and the flag is set.
Trying to turn on the parent to check the enable state of the clk runs
into system hangs at boot. We let this bake in -next for a couple
weeks to make sure there aren't any more issues because the last
attempt to fix this ran into hangs and had to be reverted.
Note: There were some more patches to the core framework around
sync_state and disabling unused clks, but I asked for that to be
reverted from the qcom PR because it isn't ready and we're still
discussing the best solution on the list.
Outside of the core clk framework, we have the usual collection of clk
driver updates and support for new SoCs (which seems to never stop).
The dirstat is dominated by Qualcomm because they added support for
quite a few SoCs this time around and also migrated quite a few of
their drivers to clk_parent_data. The other big diff is in the
Mediatek clk drivers that saw a significant rework this cycle to
similarly modernize the code, and we'll see that work continue in the
next cycle as well. Nothing really jumps out as scary here, except
that the significant churn in parent data descriptions can have typos
that go unnoticed. More details below.
Core:
- Honor CLK_OPS_PARENT_ENABLE in clk_core_is_enabled()
New Drivers:
- Add a new clk-gpr-mux clock type and use it on i.MX6Q to add ENET
ref clocks
- Support for Mediatek MT7891 SoC clks
- Support for many Qualcomm clk controllers:
- QDU1000/QRU1000 global clock controller
- SA8775P global clock controller
- SM8550 TCSR and display clock controller
- SM6350 clock controller
- MSM8996 CBF and APCS clock controllers
Updates:
- Various cleanups and improvements to Mediatek clk drivers to reduce
code size and modernize the drivers
- Support for Versa 5P49V60 clks
- Disable R-Car H3 ES1.*, as it was only available to an internal
development group and needed a lot of quirks and workarounds
- Add PWM, Compare-Match Timer (TIM), USB, SDHI, and eMMC clocks and
resets on Renesas RZ/V2M
- Add display clocks on Renesas R-Car V4H
- Add Camera Receiving Unit (CRU) clocks and resets on Renesas RZ/G2L
- Free the imx_uart_clocks even if imx_register_uart_clocks returns
early
- Get the stdout clocks count from device tree on i.MX
- Drop the clock count argument from imx_register_uart_clocks()
- Keep the uart clocks on i.MX93 for when earlycon is used
- Fix SPDX comment in i.MX6SLL clocks bindings header
- Drop some unnecessary spaces from i.MX8ULP clocks bindings header
- Add imx_obtain_fixed_of_clock() for allowing to add a clock that is
not configured via devicetree
- Fix the ENET1 gate configuration for i.MX6UL according to the
reference manual
- Add ENET refclock mux support for i.MX6UL
- Add support for USB host/device configuration on Renesas RZ/N1
- Add PLL2 programming support, and CAN-FD clocks on Renesas R-Car
V4H
- Add D1 CAN bus gates and resets for Allwinner
- Mark D1 CPUX clock as critical on Allwinner
- Reuse D1 driver for Allwinner R528/T113
- Cleanup sunxi-ng Kconfig
- Fix sunxi-ng kernel-doc issues
- Model Allwinner H3/H5 DRAM clock as fixed clock
- Use .determine_rate() instead of .round_rate() for the dualdiv,
mpll, sclk-div and cpu-dyn-div amlogic clock drivers
- DDR clocks were marked as critical in the proper clock driver for
each AT91 SoC such that drivers/memory/atmel-sdramc.c to be deleted
in the next releases as it only does clock enablement
- Patch to avoid compiling dt-compat.o for all AT91 SoCs as only some
of them may use it
- Support synchronous power_off requests in the qcom GDSC driver for
proper GPU power collapse
- Drop test clocks from various Qualcomm clk drivers
- Update parent references to use clk_parent_data/clk_hw in various
Qualcomm clk drivers
- Fixes for the Qualcomm MSM8996 CPU clock controller
- Transition Qualcomm MSM8974 GCC off the externally defined
sleep_clk
- Add GDSCs in the global clock controller for Qualcomm QCS404
- The SDCC core clocks on Qualcomm SM6115 are moved to floor_ops
- Programming of clk_dis_wait for GPU CX GDSC on Qualcomm SC7180 and
SDM845 are moved to use the recently introduced properties in the
GDSC struct
- Qualcomm's RPMh clock driver gains SM8550 and SA8775P clocks, and
the IPA clock is added on a variety of platforms
- De-duplicate identical clks in Qualcomm SMD RPM clk driver
- Add a few missing clocks across msm8998, msm8992, msm8916, qcs404
to Qualcomm SDM RPM clk driver
- Various Qualcomm clk drivers use devm_pm_runtime_enable() to
simplify"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (228 commits)
clk: qcom: apcs-msm8986: Include bitfield.h for FIELD_PREP
clk: qcom: Revert sync_state based clk_disable_unused
clk: imx: pll14xx: fix recalc_rate for negative kdiv
clk: rs9: Drop unused pin_xin field
MAINTAINERS: clk: imx: Add Peng Fan as reviewer
clk: sprd: Add dependency for SPRD_UMS512_CLK
clk: ralink: fix 'mt7621_gate_is_enabled()' function
clk: mediatek: clk-mtk: Remove unneeded semicolon
dt-bindings: clock: remove stih416 bindings
dt-bindings: clock: add loongson-2 clock
dt-bindings: clock: add loongson-2 clock include file
clk: imx: fix compile testing imxrt1050
clk: Honor CLK_OPS_PARENT_ENABLE in clk_core_is_enabled()
clk: imx: set imx_clk_gpr_mux_ops storage-class-specifier to static
clk: renesas: rcar-gen3: Disable R-Car H3 ES1.*
dt-bindings: clock: Merge qcom,gpucc-sm8350 into qcom,gpucc.yaml
clk: qcom: gpucc-sdm845: fix clk_dis_wait being programmed for CX GDSC
clk: qcom: gpucc-sc7180: fix clk_dis_wait being programmed for CX GDSC
dt-bindings: clock: qcom,sa8775p-gcc: add the power-domains property
clk: qcom: cpu-8996: add missing cputype include
...
|
||
|
Linus Torvalds
|
562ed38ded |
- qcom: misc changes to bindings for sa8775p, QDU1000/QRU1000,
IPQ5332, SDX55, msm8976, glink-rpm-edge - sti: convert to DT schema - zynq: switch to flexible array to simplify code -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6EwehDt/SOnwFyTyf9lkf8eYP5UFAmP31HcACgkQf9lkf8eY P5VLvw//RKuLIf2ZE47OgSTzsm6uK0+aYOkhGernTEcvoLtLaGr8pYmc+iOMxEod 9QN+iLVK15jOG2yPIDQcgekDrV9OZs2Cp8MlUw6CykzrVhHv3ZnP7AVRQMrhqSWv pU6Cs6N1OvdKHVKNrXyT64h2Fj732x0kXUnVR/NKHTs2nqiSZwsLYsZypBRsfMsS ClMNKM3wWQC3GQWhvFAa9annvpBLt1PasCagPCG2asxSeyDxKHVcEedMmol0LW// fRqe0FGWVYLjRDHeFKnhI61o1pQHlrD/VwijKOqFBvbltrriE2RqK36nTLmu7j29 V+b0dBJ0vuNbCy7ZdVCn0GkiCLcIHM5qF06NqSkiX1ljr9BJ1JaSTbwS9sq0NfmJ 6loodEwix2YGirfziFDhh/kgui3LyiOjj18171GtRxPIo9v/GmofqDVu9D63S+SZ WzuY6etFxDGtwPSVJ9mjWJ/T79abaDBLsRwnTm43z5RPD2mdXbwGC3sYuJ8piop9 XyVarJZRshWtEsWtoTfky5EImwI3zNGWsZa8kDTSM2jWdBMBJcNPMTgO1oPRUmMx i1pp96obJD/yTBBPtwDl/l4mqQRasJ/2ZScILHtIncUxNwQH0kwK8eYph3+vWwIh ubHSFe/93neXhOCmph8Jkr7ugXga+ANeeFf/WAgzafKJ0EhLQSs= =gJmh -----END PGP SIGNATURE----- Merge tag 'mailbox-v6.3' of git://git.linaro.org/landing-teams/working/fujitsu/integration Pull mailbox updates from Jassi Brar: - qcom: misc changes to bindings for sa8775p, QDU1000/QRU1000, IPQ5332, SDX55, msm8976, glink-rpm-edge - sti: convert to DT schema - zynq: switch to flexible array to simplify code * tag 'mailbox-v6.3' of git://git.linaro.org/landing-teams/working/fujitsu/integration: dt-bindings: mailbox: qcom-ipcc: Add compatible for QDU1000/QRU1000 mailbox: qcom-apcs-ipc: add IPQ5332 APSS clock support dt-bindings: mailbox: qcom: add compatible for the IPQ5332 SoC dt-bindings: remoteproc: qcom,glink-rpm-edge: convert to DT schema mailbox: qcom-apcs-ipc: enable APCS clock device for MSM8996 dt-bindings: mailbox: qcom: add #clock-cells to msm8996 example dt-bindings: mailbox: qcom: add missing platforms to conditional clauses dt-bindings: mailbox: qcom: correct the list of platforms using clocks dt-bindings: mailbox: qcom: enable syscon compatible for msm8976 dt-bindings: mailbox: qcom: add SDX55 compatible dt-bindings: mailbox: qcom-ipcc: document the sa8775p platform dt-bindings: mailbox: sti-mailbox: convert to DT schema mailbox: zynq: Switch to flexible array to simplify code |
||
|
Linus Torvalds
|
2e3036a264 |
MTD changes:
* parsers: ofpart: add workaround for #size-cells 0
* dt-bindings: partitions: Fix partition node name pattern
* dataflash: remove duplicate SPI ID table
Raw NAND core changes:
* Check the data only read pattern only once
* Prepare the late addition of supported operation checks
* Support for sequential cache reads
* Fix nand_chip kdoc
Raw NAND driver changes:
* Fsl_elbc: Propagate HW ECC settings to HW
* Marvell: Add missing layouts
* Pasemi: Don't use static data to track per-device state
* Sunxi:
- Fix the size of the last OOB region
- Remove an unnecessary check
- Remove an unnecessary check
- Clean up chips after failed init
- Precompute the ECC_CTL register value
- Embed sunxi_nand_hw_ecc by value
- Update OOB layout to match hardware
* tmio_nand: Remove driver
* vf610_nfc: Use regular comments for functions
SPI-NAND driver changes:
* Add support for AllianceMemory AS5F34G04SND
* Macronix: use scratch buffer for DMA operation
NAND ECC changes:
* Mediatek:
- Add ECC support fot MT7986 IC
- Add compatible for MT7986
- dt-bindings: Split ECC engine with rawnand controller
SPI NOR changes:
* Misc core fixes
SPI NOR driver changes:
* Spansion: Minor fixes
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Merge tag 'mtd/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD changes:
- parsers: ofpart: add workaround for #size-cells 0
- dt-bindings: partitions: Fix partition node name pattern
- dataflash: remove duplicate SPI ID table
Raw NAND core changes:
- Check the data only read pattern only once
- Prepare the late addition of supported operation checks
- Support for sequential cache reads
- Fix nand_chip kdoc
Raw NAND driver changes:
- Fsl_elbc: Propagate HW ECC settings to HW
- Marvell: Add missing layouts
- Pasemi: Don't use static data to track per-device state
- Sunxi:
- Fix the size of the last OOB region
- Remove an unnecessary check
- Remove an unnecessary check
- Clean up chips after failed init
- Precompute the ECC_CTL register value
- Embed sunxi_nand_hw_ecc by value
- Update OOB layout to match hardware
- tmio_nand: Remove driver
- vf610_nfc: Use regular comments for functions
SPI-NAND driver changes:
- Add support for AllianceMemory AS5F34G04SND
- Macronix: use scratch buffer for DMA operation
NAND ECC changes:
- Mediatek:
- Add ECC support fot MT7986 IC
- Add compatible for MT7986
- dt-bindings: Split ECC engine with rawnand controller
SPI NOR changes:
- Misc core fixes
SPI NOR driver changes:
- Spansion: Minor fixes"
* tag 'mtd/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (33 commits)
mtd: parsers: ofpart: add workaround for #size-cells 0
mtd: rawnand: sunxi: Precompute the ECC_CTL register value
mtd: rawnand: sunxi: Embed sunxi_nand_hw_ecc by value
mtd: rawnand: sunxi: Update OOB layout to match hardware
mtd: spi-nor: Sort headers alphabetically
mtd: spi-nor: Fix shift-out-of-bounds in spi_nor_set_erase_type
mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC
dt-bindings: mtd: mediatek,nand-ecc-engine: Add compatible for MT7986
dt-bindings: mtd: Split ECC engine with rawnand controller
mtd: rawnand: fsl_elbc: Propagate HW ECC settings to HW
mtd: spinand: Add support for AllianceMemory AS5F34G04SND
dt-bindings: mtd: partitions: Fix partition node name pattern
mtd: spi-nor: Create macros to define chip IDs and geometries
mtd: spi-nor: spansion: Make CFRx reg fields generic
mtd: spi-nor: spansion: Consider reserved bits in CFR5 register
mtd: spi-nor: core: fix implicit declaration warning
mtd: spinand: macronix: use scratch buffer for DMA operation
mtd: rawnand: Fix nand_chip kdoc
mtd: rawnand: vf610_nfc: use regular comments for functions
mtd: rawnand: Support for sequential cache reads
...
|
||
|
Linus Torvalds
|
60e2bf7d10 |
Input updates for 6.3 merge window:
- a set of tweaks to iqs269a touch controller driver - a fix for ads7846 driver to properly handle 7845 chip - cap11xx driver will support cap1203, cap1293 and cap1298 models - xpad driver will support 8BitDo Pro 2 Wired Controller - input drivers have been switched to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() - other miscellaneous fixes and tweaks -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCY/hawQAKCRBAj56VGEWX nJQwAP91B7gi9zPBmnRCYB/tsfUQy8x8yQmfIolpfRZJL0o3CQD+OBeSioXufJ2l 06KCnNY/DVf6ky+mJGdPC2KaU6AHyAA= =94qv -----END PGP SIGNATURE----- Merge tag 'input-for-v6.3-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input updates from Dmitry Torokhov: - a set of tweaks to iqs269a touch controller driver - a fix for ads7846 driver to properly handle 7845 chip - cap11xx driver will support cap1203, cap1293 and cap1298 models - xpad driver will support 8BitDo Pro 2 Wired Controller - input drivers have been switched to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() - other miscellaneous fixes and tweaks * tag 'input-for-v6.3-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (113 commits) dt-bindings: input: iqs626a: Redefine trackpad property types Input: iqs626a - drop unused device node references dt-bindings: input: touchscreen: st,stmfts: convert to dtschema Input: cyttsp5 - fix bitmask for touch buttons Input: exc3000 - properly stop timer on shutdown Input: synaptics-rmi4 - fix SPI device ID Input: cap11xx - add support for cap1203, cap1293 and cap1298 dt-bindings: input: microchip,cap11xx: add cap1203, cap1293 and cap1298 Input: pmic8xxx-keypad - fix a Kconfig spelling mistake & hyphenation Input: edt-ft5x06 - fix typo in a comment Input: tegra-kbc - use devm_platform_get_and_ioremap_resource() Input: st-keyscan - use devm_platform_get_and_ioremap_resource() Input: spear-keyboard - use devm_platform_get_and_ioremap_resource() Input: olpc_apsp - use devm_platform_get_and_ioremap_resource() Input: arc_ps2 - use devm_platform_get_and_ioremap_resource() Input: apbps2 - use devm_platform_get_and_ioremap_resource() Input: altera_ps2 - use devm_platform_get_and_ioremap_resource() Input: ads7846 - don't check penirq immediately for 7845 Input: ads7846 - always set last command to PWRDOWN Input: ads7846 - don't report pressure for ads7845 ... |
||
|
Linus Torvalds
|
116b41162f |
probes cleanup updates for v6.3:
These are the probe events cleanup patches, no new features but improve
readability.
- Rename print_probe_args() to trace_probe_print_args() and un-inlined.
- Introduce a set of default data fetch functions for dynamic probe
events.
- Extract common code of data fetch process of dynamic probe events.
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Merge tag 'probes-v6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull kprobes cleanup updates from Masami Hiramatsu:
"These are probe events cleanups, no new features but improve
readability:
- Rename print_probe_args() to trace_probe_print_args() and
un-inline it
- Introduce a set of default data fetch functions for dynamic
probe events
- Extract common code of data fetch process of dynamic probe events"
* tag 'probes-v6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
kernel/trace: extract common part in process_fetch_insn
kernel/trace: Provide default impelentations defined in trace_probe_tmpl.h
kernel/trace: Introduce trace_probe_print_args and use it in *probes
|
||
|
Linus Torvalds
|
0447ed0d71 |
Kernel concurrency sanitizer (KCSAN) updates for v6.3
This update fixes gcc-11 errors for x86_64 KCSAN-enabled kernel builds by selecting the CONSTRUCTORS Kconfig option. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmP4/7ATHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jH2DD/4x2xEOqXt52z0rGWjxA0TALAGbs+/U F+Eq55PtaemiL+i1Gl+D1BmJJ8WW0kPHPHCxDXbdrRgyKAkoC+w1O3eEYpldKnvE YRogJOfViCh/teJxV9f58CFrdbRTlw0Z0UMZQUWTXURG1lUPe1ZKbt58ZWbekfa3 +bPMj0nnU9TqIeMasv6puAZnhuyVyLvfF0xADYBAMDe6tmxvUoYMdRULimLZGGkW I6eEK5pOVZ5hPdEGJugM708NqQnZVdKw9RyreWqKlZJCpm85vEUKxbTn2pWkAQBo S6Z4FcKMsdjQVNlpL/AfRRLzgE8NicvSJyrxcpaEf8l3e5Cg+KFerMxlX4W52vd8 REvjb535C1pKSFVIW4koWNe+0c/Sr8CYTPydQ3JYN/iODcvmpuTzjTJ3WtMCmFrn lQBTtLOom0DmHkzu7i822MyOzJmdRqyZ0TU+aZSO1FTjN2xIdiPc+if046mOFHW+ JX1GagrI12c5tNtVc3zgzAnEsiX+vFjC7p2VMOqEBcAKi5UPAZty2jQJsFXKXXzu hQyJVSREWTwGvAjmEO7w9s5yPfy82+exzdEa9usIyxwKl/urzTdA2Qjro5kVpB/t 9+p33z6hyvELkKNOAdQQmVqXUec1PpmPkRqB9qR8jvEGGG4V5Pfoflf7irqqfX0q 4zatR+yf1cpbEQ== =oX8A -----END PGP SIGNATURE----- Merge tag 'kcsan.2023.02.24a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull kernel concurrency sanitizer (KCSAN) updates from Paul McKenney: "This fixes gcc-11 errors for x86_64 KCSAN-enabled kernel builds by selecting the CONSTRUCTORS Kconfig option" * tag 'kcsan.2023.02.24a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: kcsan: select CONFIG_CONSTRUCTORS |
||
|
Linus Torvalds
|
472a2abb7a |
flexible-array transformations for 6.3-rc1
Hi Linus, Please, pull the following patches that transform zero-length arrays, in unions, into flexible arrays. These patches have been baking in linux-next for the whole development cycle. Thanks -- Gustavo -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEkmRahXBSurMIg1YvRwW0y0cG2zEFAmP35ckACgkQRwW0y0cG 2zGFrA/+Pdn6woNEEU8g+iIIK6tkyoqvbTjqLFr3x+EEGCPDenWn0o3exvZJjAp/ sDjUK9//sBzFEEHMLIu0+C+3dGSlIpmanQlDf/5unOYDUMogSu9gC7Mj9B4jDWPh 0ltEKXEezxLwun41LBmeFEk8Ot7QLnC2CMIC0KLYfQodoGYbCDKnaEVaXrxIPctS mhwt98CllFbEFvtQyxRm+CxfQT8UkDL8mxRn+x1BoEO/xIKt5MOC7g31kWD31pm1 SNJ2Nbt++MthcJMRP33Q9dJxAtLW4ckooJJm62QmsZoZOpDGBdOO6QBfIAd+KvGm AOFAOeYJwYCcG6VWibkFHcxy95ZGfuDek3wYn/PcoGpXPeT+La+eH/KDq5Ll+vSo 2pwaDdHb3uJItBsc7sxXROLJME/6cV+1pt3xcK3dqHlgb26MBVkut/B17Em/ig1K AjI35+pZwxoB/nc8dEPIVk/yGqa9sAGqqKCoP56mUJu3GiqcOJCByU8q0lkdN992 4y8w+IKSmegUvQD/MZs6GQ5DseYbdQadwW/5vIbN4N9d+R/6tJvwXFafMYlXJidu qZ2ilGqZzNjj3XUo+xXiwTeV9vQFW0TALm/OMmW7tdwhpG76RPMDdmZ5axPHv94o 3+gp7ENo4zOKVRjuf4R5Uqu/Ijto9k9eugNhD+Z1ekSofyriID0= =v4oD -----END PGP SIGNATURE----- Merge tag 'flex-array-transformations-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux Pull flexible-array updates from Gustavo Silva: "Transform zero-length arrays, in unions, into flexible arrays" * tag 'flex-array-transformations-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: bcache: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper mm/memremap: Replace zero-length array with DECLARE_FLEX_ARRAY() helper exportfs: Replace zero-length array with DECLARE_FLEX_ARRAY() helper |
||
|
Linus Torvalds
|
e534a583cc |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha
Pull alpha updates from Al Viro: "Mostly small janitorial fixes but there's also more important ones: a patch to fix loading large modules from Edward Humes, and some fixes from Al Viro" [ The fixes from Al mostly came in separately through Al's trees too and are now duplicated.. - Linus ] * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha: alpha: in_irq() cleanup alpha: lazy FPU switching alpha/boot/misc: trim unused declarations alpha/boot/tools/objstrip: fix the check for ELF header alpha/boot: fix the breakage from -isystem series... alpha: fix FEN fault handling alpha: Avoid comma separated statements alpha: fixed a typo in core_cia.c alpha: remove unused __SLOW_DOWN_IO and SLOW_DOWN_IO definitions alpha: update config files alpha: fix R_ALPHA_LITERAL reloc for large modules alpha: Add some spaces to ensure format specification alpha: replace NR_SYSCALLS by NR_syscalls alpha: Remove redundant local asm header redirections alpha: Implement "current_stack_pointer" alpha: remove redundant err variable alpha: osf_sys: reduce kernel log spamming on invalid osf_mount call typenr |
||
|
Linus Torvalds
|
cac85e4616 |
VFIO updates for v6.3-rc1
- Remove redundant resource check in vfio-platform. (Angus Chen)
- Use GFP_KERNEL_ACCOUNT for persistent userspace allocations, allowing
removal of arbitrary kernel limits in favor of cgroup control.
(Yishai Hadas)
- mdev tidy-ups, including removing the module-only build restriction
for sample drivers, Kconfig changes to select mdev support,
documentation movement to keep sample driver usage instructions with
sample drivers rather than with API docs, remove references to
out-of-tree drivers in docs. (Christoph Hellwig)
- Fix collateral breakages from mdev Kconfig changes. (Arnd Bergmann)
- Make mlx5 migration support match device support, improve source
and target flows to improve pre-copy support and reduce downtime.
(Yishai Hadas)
- Convert additional mdev sysfs case to use sysfs_emit(). (Bo Liu)
- Resolve copy-paste error in mdev mbochs sample driver Kconfig.
(Ye Xingchen)
- Avoid propagating missing reset error in vfio-platform if reset
requirement is relaxed by module option. (Tomasz Duszynski)
- Range size fixes in mlx5 variant driver for missed last byte and
stricter range calculation. (Yishai Hadas)
- Fixes to suspended vaddr support and locked_vm accounting, excluding
mdev configurations from the former due to potential to indefinitely
block kernel threads, fix underflow and restore locked_vm on new mm.
(Steve Sistare)
- Update outdated vfio documentation due to new IOMMUFD interfaces in
recent kernels. (Yi Liu)
- Resolve deadlock between group_lock and kvm_lock, finally.
(Matthew Rosato)
- Fix NULL pointer in group initialization error path with IOMMUFD.
(Yan Zhao)
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Merge tag 'vfio-v6.3-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Remove redundant resource check in vfio-platform (Angus Chen)
- Use GFP_KERNEL_ACCOUNT for persistent userspace allocations, allowing
removal of arbitrary kernel limits in favor of cgroup control (Yishai
Hadas)
- mdev tidy-ups, including removing the module-only build restriction
for sample drivers, Kconfig changes to select mdev support,
documentation movement to keep sample driver usage instructions with
sample drivers rather than with API docs, remove references to
out-of-tree drivers in docs (Christoph Hellwig)
- Fix collateral breakages from mdev Kconfig changes (Arnd Bergmann)
- Make mlx5 migration support match device support, improve source and
target flows to improve pre-copy support and reduce downtime (Yishai
Hadas)
- Convert additional mdev sysfs case to use sysfs_emit() (Bo Liu)
- Resolve copy-paste error in mdev mbochs sample driver Kconfig (Ye
Xingchen)
- Avoid propagating missing reset error in vfio-platform if reset
requirement is relaxed by module option (Tomasz Duszynski)
- Range size fixes in mlx5 variant driver for missed last byte and
stricter range calculation (Yishai Hadas)
- Fixes to suspended vaddr support and locked_vm accounting, excluding
mdev configurations from the former due to potential to indefinitely
block kernel threads, fix underflow and restore locked_vm on new mm
(Steve Sistare)
- Update outdated vfio documentation due to new IOMMUFD interfaces in
recent kernels (Yi Liu)
- Resolve deadlock between group_lock and kvm_lock, finally (Matthew
Rosato)
- Fix NULL pointer in group initialization error path with IOMMUFD (Yan
Zhao)
* tag 'vfio-v6.3-rc1' of https://github.com/awilliam/linux-vfio: (32 commits)
vfio: Fix NULL pointer dereference caused by uninitialized group->iommufd
docs: vfio: Update vfio.rst per latest interfaces
vfio: Update the kdoc for vfio_device_ops
vfio/mlx5: Fix range size calculation upon tracker creation
vfio: no need to pass kvm pointer during device open
vfio: fix deadlock between group lock and kvm lock
vfio: revert "iommu driver notify callback"
vfio/type1: revert "implement notify callback"
vfio/type1: revert "block on invalid vaddr"
vfio/type1: restore locked_vm
vfio/type1: track locked_vm per dma
vfio/type1: prevent underflow of locked_vm via exec()
vfio/type1: exclude mdevs from VFIO_UPDATE_VADDR
vfio: platform: ignore missing reset if disabled at module init
vfio/mlx5: Improve the target side flow to reduce downtime
vfio/mlx5: Improve the source side flow upon pre_copy
vfio/mlx5: Check whether VF is migratable
samples: fix the prompt about SAMPLE_VFIO_MDEV_MBOCHS
vfio/mdev: Use sysfs_emit() to instead of sprintf()
vfio-mdev: add back CONFIG_VFIO dependency
...
|
||
|
Linus Torvalds
|
84cc6674b7 |
virtio,vhost,vdpa: features, fixes
device feature provisioning in ifcvf, mlx5 new SolidNET driver support for zoned block device in virtio blk numa support in virtio pmem VIRTIO_F_RING_RESET support in vhost-net more debugfs entries in mlx5 resume support in vdpa completion batching in virtio blk cleanup of dma api use in vdpa now simulating more features in vdpa-sim documentation, features, fixes all over the place Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmP0D98PHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRpV6IH/iecRgLMWWjp3n31IFdu31f/J4HpF7dczVjK qtV98eJ1N2pkgeJkdCfmB5XszfvFBeAurrS7++FTHiJhrRfR3Z+2ml/Qtvh5DEyP qxz6wOw6VVsi/txdUxM1wsxLeEmmzkmFdAmPM+FXeIjhWj76GOgy/4A3eaj6TgzV W8ShsBve/UZ5qMOC3XbIscvdOrudHJ18tH90Tiz3NZfH1fAs5E4uWbU6Mrz9DJVr canGvf4kAI9z8qram5HSgzPIXRJEYiF4q/eiStdtiiME8gL1mHLRZDNP1I1LeCAb q6Q6RCRKi3Ek+LGdH6u+nR1Swu03N2b/g+vgKtv30kJo06oZVzw= =EasV -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio updates from Michael Tsirkin: - device feature provisioning in ifcvf, mlx5 - new SolidNET driver - support for zoned block device in virtio blk - numa support in virtio pmem - VIRTIO_F_RING_RESET support in vhost-net - more debugfs entries in mlx5 - resume support in vdpa - completion batching in virtio blk - cleanup of dma api use in vdpa - now simulating more features in vdpa-sim - documentation, features, fixes all over the place * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (64 commits) vdpa/mlx5: support device features provisioning vdpa/mlx5: make MTU/STATUS presence conditional on feature bits vdpa: validate device feature provisioning against supported class vdpa: validate provisioned device features against specified attribute vdpa: conditionally read STATUS in config space vdpa: fix improper error message when adding vdpa dev vdpa/mlx5: Initialize CVQ iotlb spinlock vdpa/mlx5: Don't clear mr struct on destroy MR vdpa/mlx5: Directly assign memory key tools/virtio: enable to build with retpoline vringh: fix a typo in comments for vringh_kiov vhost-vdpa: print warning when vhost_vdpa_alloc_domain fails scsi: virtio_scsi: fix handling of kmalloc failure vdpa: Fix a couple of spelling mistakes in some messages vhost-net: support VIRTIO_F_RING_RESET vhost-scsi: convert sysfs snprintf and sprintf to sysfs_emit vdpa: mlx5: support per virtqueue dma device vdpa: set dma mask for vDPA device virtio-vdpa: support per vq dma device vdpa: introduce get_vq_dma_device() ... |
||
|
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
|
01687e7c93 |
RISC-V Patches for the 6.3 Merge Window, Part 1
There's a bunch of fixes/cleanups throughout the tree as usual, but we
also have a handful of new features.
* Various improvements to the extension detection and alternative
patching infrastructure.
* Zbb-optimized string routines.
* Support for cpu-capacity in the RISC-V DT bindings.
* Zicbom no longer depends on toolchain support.
* Some performance and code size improvements to ftrace.
* Support for ARCH_WANT_LD_ORPHAN_WARN.
* Oops now contain the faulting instruction.
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Merge tag 'riscv-for-linus-6.3-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
"There's a bunch of fixes/cleanups throughout the tree as usual, but we
also have a handful of new features:
- Various improvements to the extension detection and alternative
patching infrastructure
- Zbb-optimized string routines
- Support for cpu-capacity in the RISC-V DT bindings
- Zicbom no longer depends on toolchain support
- Some performance and code size improvements to ftrace
- Support for ARCH_WANT_LD_ORPHAN_WARN
- Oops now contain the faulting instruction"
* tag 'riscv-for-linus-6.3-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (67 commits)
RISC-V: add a spin_shadow_stack declaration
riscv: mm: hugetlb: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
riscv: Add header include guards to insn.h
riscv: alternative: proceed one more instruction for auipc/jalr pair
riscv: Avoid enabling interrupts in die()
riscv, mm: Perform BPF exhandler fixup on page fault
RISC-V: take text_mutex during alternative patching
riscv: hwcap: Don't alphabetize ISA extension IDs
RISC-V: fix ordering of Zbb extension
riscv: jump_label: Fixup unaligned arch_static_branch function
RISC-V: Only provide the single-letter extensions in HWCAP
riscv: mm: fix regression due to update_mmu_cache change
scripts/decodecode: Add support for RISC-V
riscv: Add instruction dump to RISC-V splats
riscv: select ARCH_WANT_LD_ORPHAN_WARN for !XIP_KERNEL
riscv: vmlinux.lds.S: explicitly catch .init.bss sections from EFI stub
riscv: vmlinux.lds.S: explicitly catch .riscv.attributes sections
riscv: vmlinux.lds.S: explicitly catch .rela.dyn symbols
riscv: lds: define RUNTIME_DISCARD_EXIT
RISC-V: move some stray __RISCV_INSN_FUNCS definitions from kprobes
...
|
||
|
Linus Torvalds
|
d0a32f5520 |
powerpc updates for 6.3
- Support for configuring secure boot with user-defined keys on PowerVM LPARs. - Simplify the replay of soft-masked IRQs by making it non-recursive. - Add support for KCSAN on 64-bit Book3S. - Improvements to the API & code which interacts with RTAS (pseries firmware). - Change 32-bit powermac to assign PCI bus numbers per domain by default. - Some improvements to the 32-bit BPF JIT. - Various other small features and fixes. Thanks to: Anders Roxell, Andrew Donnellan, Andrew Jeffery, Benjamin Gray, Christophe Leroy, Frederic Barrat, Ganesh Goudar, Geoff Levand, Greg Kroah-Hartman, Jan-Benedict Glaw, Josh Poimboeuf, Kajol Jain, Laurent Dufour, Mahesh Salgaonkar, Mathieu Desnoyers, Mimi Zohar, Murphy Zhou, Nathan Chancellor, Nathan Lynch, Nayna Jain, Nicholas Piggin, Pali Rohár, Petr Mladek, Rohan McLure, Russell Currey, Sachin Sant, Sathvika Vasireddy, Sourabh Jain, Stefan Berger, Stephen Rothwell, Sudhakar Kuppusamy. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmP4GnkTHG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgEnlEAC9UoE9JM853o9ZzpOJDrbYknHsRQad ztQJ9xu5qjkFHHryTmWKYdiAtNDFbcfn7+1aoc5FXrIb6BOfvBo/uRFw6P501Qwv Fg0MQyWUnT5WrI7+rBE2q+1+FaHBNKLycLNRSh5JpXtuKe2ubQfiFD80tarBnEnU 6I4bqXd+xjDtnqtpfiYnil/kdZTu/MzntdkmCne6fMkflgEQFU9EVQEnnE+imqFa 6BuCwITvZ+NyaaU+cYMeGZT7aoz9PAwkksgTxXW2gQbTIApX9WX4kYU/vbW4aHts 0bpzMmIbSbAklYIu2PQQhSU0bLfKJ+xly8E8tozHgRX6hrFlqvtmD/T5LHTBD11f FFzKb0NUCD8qTIy6Hn0M1tj5egLpxxzATPe/kVTkxxqTlZrzdSEaqzft6syyJHJd ueo0QN53AUyBaVMtxLbnB/U/8Vnz6rLqY+8dLKzXhjYjoPJqOZh/Qlc1Tk3syPwf E2j4H6wFqGMTOGi453Pijkpj3qpNkNT79FG5DmClcQLJxD/EXDyffLZITrkzQa0S FEkcMzz/Hn9Hkf7ZuNo4DN6ss6IF0vlxoi7GNr+MRR53/aVQJUDc8z24c4ICl/3w 20ETk57XMVJzP++Hb+yn16JyAawfQOOlckBRZ2O8W5YYVoes45hxDQxVoh8EII69 hb3KOGYEqF5wyA== =ECNb -----END PGP SIGNATURE----- Merge tag 'powerpc-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - Support for configuring secure boot with user-defined keys on PowerVM LPARs - Simplify the replay of soft-masked IRQs by making it non-recursive - Add support for KCSAN on 64-bit Book3S - Improvements to the API & code which interacts with RTAS (pseries firmware) - Change 32-bit powermac to assign PCI bus numbers per domain by default - Some improvements to the 32-bit BPF JIT - Various other small features and fixes Thanks to Anders Roxell, Andrew Donnellan, Andrew Jeffery, Benjamin Gray, Christophe Leroy, Frederic Barrat, Ganesh Goudar, Geoff Levand, Greg Kroah-Hartman, Jan-Benedict Glaw, Josh Poimboeuf, Kajol Jain, Laurent Dufour, Mahesh Salgaonkar, Mathieu Desnoyers, Mimi Zohar, Murphy Zhou, Nathan Chancellor, Nathan Lynch, Nayna Jain, Nicholas Piggin, Pali Rohár, Petr Mladek, Rohan McLure, Russell Currey, Sachin Sant, Sathvika Vasireddy, Sourabh Jain, Stefan Berger, Stephen Rothwell, and Sudhakar Kuppusamy. * tag 'powerpc-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (114 commits) powerpc/pseries: Avoid hcall in plpks_is_available() on non-pseries powerpc: dts: turris1x.dts: Set lower priority for CPLD syscon-reboot powerpc/e500: Add missing prototype for 'relocate_init' powerpc/64: Fix unannotated intra-function call warning powerpc/epapr: Don't use wrteei on non booke powerpc: Pass correct CPU reference to assembler powerpc/mm: Rearrange if-else block to avoid clang warning powerpc/nohash: Fix build with llvm-as powerpc/nohash: Fix build error with binutils >= 2.38 powerpc/pseries: Fix endianness issue when parsing PLPKS secvar flags macintosh: windfarm: Use unsigned type for 1-bit bitfields powerpc/kexec_file: print error string on usable memory property update failure powerpc/machdep: warn when machine_is() used too early powerpc/64: Replace -mcpu=e500mc64 by -mcpu=e5500 powerpc/eeh: Set channel state after notifying the drivers selftests/powerpc: Fix incorrect kernel headers search path powerpc/rtas: arch-wide function token lookup conversions powerpc/rtas: introduce rtas_function_token() API powerpc/pseries/lpar: convert to papr_sysparm API powerpc/pseries/hv-24x7: convert to papr_sysparm API ... |
||
|
Linus Torvalds
|
5596c6adb0 |
just cleanups and fixes
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||
|
Linus Torvalds
|
7c3dc440b1 |
cxl for v6.3
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
for platform firmware created memory regions
- CXL RAM region provisioning: complement the existing PMEM region
creation support with RAM region support
- "Soft Reservation" policy change: Online (memory hot-add)
soft-reserved memory (EFI_MEMORY_SP) by default, but still allow for
setting aside such memory for dedicated access via device-dax.
- CXL Events and Interrupts: Takeover CXL event handling from
platform-firmware (ACPI calls this CXL Memory Error Reporting) and
export CXL Events via Linux Trace Events.
- Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
subsystem interrogate the result of CXL _OSC negotiation.
- Emulate CXL DVSEC Range Registers as "decoders": Allow for
first-generation devices that pre-date the definition of the CXL HDM
Decoder Capability to translate the CXL DVSEC Range Registers into
'struct cxl_decoder' objects.
- Set timestamp: Per spec, set the device timestamp in case of hotplug,
or if platform-firwmare failed to set it.
- General fixups: linux-next build issues, non-urgent fixes for
pre-production hardware, unit test fixes, spelling and debug message
improvements.
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Merge tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link (CXL) updates from Dan Williams:
"To date Linux has been dependent on platform-firmware to map CXL RAM
regions and handle events / errors from devices. With this update we
can now parse / update the CXL memory layout, and report events /
errors from devices. This is a precursor for the CXL subsystem to
handle the end-to-end "RAS" flow for CXL memory. i.e. the flow that
for DDR-attached-DRAM is handled by the EDAC driver where it maps
system physical address events to a field-replaceable-unit (FRU /
endpoint device). In general, CXL has the potential to standardize
what has historically been a pile of memory-controller-specific error
handling logic.
Another change of note is the default policy for handling RAM-backed
device-dax instances. Previously the default access mode was "device",
mmap(2) a device special file to access memory. The new default is
"kmem" where the address range is assigned to the core-mm via
add_memory_driver_managed(). This saves typical users from wondering
why their platform memory is not visible via free(1) and stuck behind
a device-file. At the same time it allows expert users to deploy
policy to, for example, get dedicated access to high performance
memory, or hide low performance memory from general purpose kernel
allocations. This affects not only CXL, but also systems with
high-bandwidth-memory that platform-firmware tags with the
EFI_MEMORY_SP (special purpose) designation.
Summary:
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
for platform firmware created memory regions
- CXL RAM region provisioning: complement the existing PMEM region
creation support with RAM region support
- "Soft Reservation" policy change: Online (memory hot-add)
soft-reserved memory (EFI_MEMORY_SP) by default, but still allow
for setting aside such memory for dedicated access via device-dax.
- CXL Events and Interrupts: Takeover CXL event handling from
platform-firmware (ACPI calls this CXL Memory Error Reporting) and
export CXL Events via Linux Trace Events.
- Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
subsystem interrogate the result of CXL _OSC negotiation.
- Emulate CXL DVSEC Range Registers as "decoders": Allow for
first-generation devices that pre-date the definition of the CXL
HDM Decoder Capability to translate the CXL DVSEC Range Registers
into 'struct cxl_decoder' objects.
- Set timestamp: Per spec, set the device timestamp in case of
hotplug, or if platform-firwmare failed to set it.
- General fixups: linux-next build issues, non-urgent fixes for
pre-production hardware, unit test fixes, spelling and debug
message improvements"
* tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (66 commits)
dax/kmem: Fix leak of memory-hotplug resources
cxl/mem: Add kdoc param for event log driver state
cxl/trace: Add serial number to trace points
cxl/trace: Add host output to trace points
cxl/trace: Standardize device information output
cxl/pci: Remove locked check for dvsec_range_allowed()
cxl/hdm: Add emulation when HDM decoders are not committed
cxl/hdm: Create emulated cxl_hdm for devices that do not have HDM decoders
cxl/hdm: Emulate HDM decoder from DVSEC range registers
cxl/pci: Refactor cxl_hdm_decode_init()
cxl/port: Export cxl_dvsec_rr_decode() to cxl_port
cxl/pci: Break out range register decoding from cxl_hdm_decode_init()
cxl: add RAS status unmasking for CXL
cxl: remove unnecessary calling of pci_enable_pcie_error_reporting()
dax/hmem: build hmem device support as module if possible
dax: cxl: add CXL_REGION dependency
cxl: avoid returning uninitialized error code
cxl/pmem: Fix nvdimm registration races
cxl/mem: Fix UAPI command comment
cxl/uapi: Tag commands from cxl_query_cmd()
...
|
||
|
Linus Torvalds
|
d8e473182a |
- Fixup comment typo
- Prevent unexpected #VE's from:
- Hosts removing perfectly good guest mappings (SEPT_VE_DISABLE
- Excessive #VE notifications (NOTIFY_ENABLES) which are
delivered via a #VE.
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Merge tag 'x86_tdx_for_6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull Intel Trust Domain Extensions (TDX) updates from Dave Hansen:
"Other than a minor fixup, the content here is to ensure that TDX
guests never see virtualization exceptions (#VE's) that might be
induced by the untrusted VMM.
This is a highly desirable property. Without it, #VE exception
handling would fall somewhere between NMIs, machine checks and total
insanity. With it, #VE handling remains pretty mundane.
Summary:
- Fixup comment typo
- Prevent unexpected #VE's from:
- Hosts removing perfectly good guest mappings (SEPT_VE_DISABLE)
- Excessive #VE notifications (NOTIFY_ENABLES) which are delivered
via a #VE"
* tag 'x86_tdx_for_6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tdx: Do not corrupt frame-pointer in __tdx_hypercall()
x86/tdx: Disable NOTIFY_ENABLES
x86/tdx: Relax SEPT_VE_DISABLE check for debug TD
x86/tdx: Use ReportFatalError to report missing SEPT_VE_DISABLE
x86/tdx: Expand __tdx_hypercall() to handle more arguments
x86/tdx: Refactor __tdx_hypercall() to allow pass down more arguments
x86/tdx: Add more registers to struct tdx_hypercall_args
x86/tdx: Fix typo in comment in __tdx_hypercall()
|
||
Changbin Du
|
290ec1d580 |
alpha: in_irq() cleanup
Replace the obsolete and ambiguos macro in_irq() with new macro in_hardirq(). Signed-off-by: Changbin Du <changbin.du@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> |
||
Al Viro
|
0509666660 |
alpha: lazy FPU switching
On each context switch we save the FPU registers on stack of old process and restore FPU registers from the stack of new one. That allows us to avoid doing that each time we enter/leave the kernel mode; however, that can get suboptimal in some cases. For one thing, we don't need to bother saving anything for kernel threads. For another, if between entering and leaving the kernel a thread gives CPU up more than once, it will do useless work, saving the same values every time, only to discard the saved copy as soon as it returns from switch_to(). Alternative solution: * move the array we save into from switch_stack to thread_info * have a (thread-synchronous) flag set when we save them * have another flag set when they should be restored on return to userland. * do *NOT* save/restore them in do_switch_stack()/undo_switch_stack(). * restore on the exit to user mode if the restore flag had been set. Clear both flags. * on context switch, entry to fork/clone/vfork, before entry into do_signal() and on entry into straced syscall save the registers and set the 'saved' flag unless it had been already set. * on context switch set the 'restore' flag as well. * have copy_thread() set both flags for child, so the registers would be restored once the child returns to userland. * use the saved data in setup_sigcontext(); have restore_sigcontext() set both flags and copy from sigframe to save area. * teach ptrace to look for FPU registers in thread_info instead of switch_stack. * teach isolated accesses to FPU registers (rdfpcr, wrfpcr, etc.) to check the 'saved' flag (under preempt_disable()) and work with the save area if it's been set; if 'saved' flag is found upon write access, set 'restore' flag as well. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Matt Turner <mattst88@gmail.com> |
||
|
Al Viro
|
a7acb188e8 |
alpha/boot/misc: trim unused declarations
gzip_mark() and gzip_release() are gone; there used to be two forward declarations of each and the patch removing those suckers had left one of each behind... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Matt Turner <mattst88@gmail.com> |
||
|
Al Viro
|
a4c082f267 |
alpha/boot/tools/objstrip: fix the check for ELF header
Just memcmp() with ELFMAG - that's the normal way to do it in userland
code, which that thing is. Besides, that has the benefit of actually
building - str_has_prefix() is *NOT* present in <string.h>.
Fixes:
|
||
|
Al Viro
|
56efd34f82 |
alpha/boot: fix the breakage from -isystem series...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Matt Turner <mattst88@gmail.com> |
||
|
Al Viro
|
d3c51b701b |
alpha: fix FEN fault handling
Type 3 instruction fault (FPU insn with FPU disabled) is handled by quietly enabling FPU and returning. Which is fine, except that we need to do that both for fault in userland and in the kernel; the latter *can* legitimately happen - all it takes is this: .global _start _start: call_pal 0xae lda $0, 0 ldq $0, 0($0) - call_pal CLRFEN to clear "FPU enabled" flag and arrange for a signal delivery (SIGSEGV in this case). Fixed by moving the handling of type 3 into the common part of do_entIF(), before we check for kernel vs. user mode. Incidentally, check for kernel mode is unidiomatic; the normal way to do that is !user_mode(regs). The difference is that the open-coded variant treats any of bits 63..3 of regs->ps being set as "it's user mode" while the normal approach is to check just the bit 3. PS is a 4-bit register and regs->ps always will have bits 63..4 clear, so the open-code variant here is actually equivalent to !user_mode(regs). Harder to follow, though... Reproducer above will crash any box where CLRFEN is not ignored by PAL (== any actual hardware, AFAICS; PAL used in qemu doesn't bother implementing that crap). Cc: stable@vger.kernel.org # all way back... Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Matt Turner <mattst88@gmail.com> |
||
Joe Perches
|
4da2bd306b |
alpha: Avoid comma separated statements
Use semicolons and braces. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Matt Turner <mattst88@gmail.com> |
||
rj1
|
6b6b64abe0 |
alpha: fixed a typo in core_cia.c
Signed-off-by: Matt Turner <mattst88@gmail.com> |
||
|
Linus Torvalds
|
489fa31ea8 |
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro: "Assorted stuff that didn't fit anywhere else" * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: nsfs: repair kernel-doc for ns_match() nsfs: add compat ioctl handler fs/cramfs: Convert kmap() to kmap_local_data() |
||
|
Linus Torvalds
|
3df88c6a17 |
Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull ipc namespace update from Al Viro: "Rik's patches reducing the amount of synchronize_rcu() triggered by ipc namespace destruction. I've some pending stuff reducing that on the normal umount side, but it's nowhere near ready and Rik's stuff shouldn't be held back due to conflicts - I'll just redo the parts of my series that stray into ipc/*" * 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: ipc,namespace: batch free ipc_namespace structures ipc,namespace: make ipc namespace allocation wait for pending free |
||
|
Linus Torvalds
|
10cc5d483e |
Merge branch 'work.alpha' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull alpha updates from Al Viro: "FEN (floating-point enable) fault fix deals with a really old oopsable braino, the rest is alpha/boot compile fixes and minor cleaning up" * 'work.alpha' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: alpha/boot/misc: trim unused declarations alpha/boot/tools/objstrip: fix the check for ELF header alpha/boot: fix the breakage from -isystem series... alpha: fix FEN fault handling |
||
|
Linus Torvalds
|
d6b9cf417c |
Merge branch 'work.sysv' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull sysv updates from Al Viro: "Fabio's 'switch to kmap_local_page()' patchset (originally after the ext2 counterpart, with a lot of cleaning up done to it; as the matter of fact, ext2 side is in need of similar cleanups - calling conventions there are bloody awful). Plus the equivalents of minix stuff..." * 'work.sysv' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: sysv: fix handling of delete_entry and set_link failures fs/sysv: Replace kmap() with kmap_local_page() fs/sysv: Use dir_put_page() in sysv_rename() fs/sysv: Change the signature of dir_get_page() fs/sysv: Use the offset_in_page() helper sysv: don't flush page immediately for DIRSYNC directories |
||
|
Linus Torvalds
|
397aa6b63f |
Merge branch 'work.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull minix updates from Al Viro: "Assorted fixes - mostly Christoph's" * 'work.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: minix_rename(): minix_delete_entry() might fail minix: don't flush page immediately for DIRSYNC directories minix: fix error handling in minix_set_link minix: fix error handling in minix_delete_entry minix: move releasing pages into unlink and rename minix: make minix_new_inode() return error as ERR_PTR(-E...) |
||
|
Linus Torvalds
|
595fa4e313 |
soundwire updates for 6.3
- Core:
- sdw_transfer_defer() API change to dropan argument
- Reset page address rework
- Exporting sdw_nwrite_no_pm and sdw_nread_no_pm APIs
- Drivers:
- Cadence and related intel driver updates for FIFO handling and
low level msg transfers
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Merge tag 'soundwire-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
"This is a small update which features a bit of core changes and driver
updates in Intel and cadence driver.
Core:
- sdw_transfer_defer() API change to drop an argument
- Reset page address rework
- Export sdw_nwrite_no_pm and sdw_nread_no_pm APIs
Drivers:
- Cadence and related intel driver updates for FIFO handling and low
level msg transfers"
* tag 'soundwire-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: cadence: further simplify low-level xfer_msg_defer() callback
soundwire: cadence: use directly bus sdw_defer structure
soundwire: bus: remove sdw_defer argument in sdw_transfer_defer()
soundwire: stream: use consistent pattern for freeing buffers
soundwire: bus: Remove unused reset_page_addr() callback
soundwire: bus: Don't zero page registers after every transaction
soundwire: bus_type: Avoid lockdep assert in sdw_drv_probe()
soundwire: stream: Move remaining register accesses over to no_pm
soundwire: debugfs: Switch to sdw_read_no_pm
soundwire: Provide build stubs for common functions
soundwire: bus: export sdw_nwrite_no_pm and sdw_nread_no_pm functions
soundwire: cadence: remove unused sdw_cdns_master_ops declaration
soundwire: enable optional clock registers for SoundWire 1.2 devices
ASoC/soundwire: remove is_sdca boolean property
soundwire: cadence: Drain the RX FIFO after an IO timeout
soundwire: cadence: Remove wasted space in response_buf
soundwire: cadence: Don't overflow the command FIFOs
soundwire: intel: remove DAI startup/shutdown
|
||
|
Linus Torvalds
|
8ff99ad04c |
phy-for-6.3
- Core support
- New devm_of_phy_optional_get() API with users and conversion
- New support:
- Mediatek MT7986 tphy support
- Qualcomm SM8550 UFS, PCIe, combo phy support, SM6115 / SM4250
USB3 phy support, SM6350 combo phy support, SM6125 UFS PHY
support amd SM8350 & SM8450 combo phy support
- Qualcomm SNPS eUSB2 eUSB2 repeater drivers
- Allwinner F1C100s USB PHY support
- Tegra xusb support for Tegra234
- Updates:
- Yaml conversion for Qualcomm pcie2 phy and usb-hsic-phy
- G4 mode support in Qualcomm UFS phy and support for various SoCs
- Yaml conversion for Meson usb2 phy
- TI Type C support for usb phy for j721
- Yaml conversion for Tegra xusb binding
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Merge tag 'phy-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"This features a bunch of new device support, a couple of new drivers,
yaml conversion and updates of a few drivers.
Core support:
- New devm_of_phy_optional_get() API with users and conversion
New hardware support:
- Mediatek MT7986 phy support
- Qualcomm SM8550 UFS, PCIe, combo phy support, SM6115 / SM4250 USB3
phy support, SM6350 combo phy support, SM6125 UFS PHY support amd
SM8350 & SM8450 combo phy support
- Qualcomm SNPS eUSB2 eUSB2 repeater drivers
- Allwinner F1C100s USB PHY support
- Tegra xusb support for Tegra234
Updates:
- Yaml conversion for Qualcomm pcie2 phy and usb-hsic-phy
- G4 mode support in Qualcomm UFS phy and support for various SoCs
- Yaml conversion for Meson usb2 phy
- TI Type C support for usb phy for j721
- Yaml conversion for Tegra xusb binding"
* tag 'phy-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (106 commits)
phy: qcom: phy-qcom-snps-eusb2: Add support for eUSB2 repeater
phy: qcom: Add QCOM SNPS eUSB2 repeater driver
dt-bindings: phy: qcom,snps-eusb2-phy: Add phys property for the repeater
dt-bindings: phy: Add qcom,snps-eusb2-repeater schema file
dt-bindings: phy: amlogic,g12a-usb3-pcie-phy: add missing optional phy-supply property
phy: rockchip-typec: Fix unsigned comparison with less than zero
phy: rockchip-typec: fix tcphy_get_mode error case
phy: qcom: snps-eusb2: Add missing headers
phy: qcom-qmp-combo: Add support for SM8550
phy: qcom-qmp: Add v6 DP register offsets
phy: qcom-qmp: pcs-usb: Add v6 register offsets
dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp: Document SM8550 compatible
phy: qcom: Add QCOM SNPS eUSB2 driver
dt-bindings: phy: Add qcom,snps-eusb2-phy schema file
phy: qcom-qmp-pcie: Add support for SM8550 g3x2 and g4x2 PCIEs
phy: qcom-qmp: qserdes-lane-shared: Add v6 register offsets
phy: qcom-qmp: qserdes-txrx: Add v6.20 register offsets
phy: qcom-qmp: pcs-pcie: Add v6.20 register offsets
phy: qcom-qmp: pcs-pcie: Add v6 register offsets
phy: qcom-qmp: pcs: Add v6.20 register offsets
...
|