Commit Graph

188229 Commits

Author SHA1 Message Date
Linus Torvalds
d6742212c0 - converted Pistachio platform to use MIPS generic kernel
- fixes and cleanups
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Merge tag 'mips_5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - converted Pistachio platform to use MIPS generic kernel

 - fixes and cleanups

* tag 'mips_5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (29 commits)
  MIPS: Malta: fix alignment of the devicetree buffer
  MIPS: ingenic: Unconditionally enable clock of CPU 
  MIPS: mscc: ocelot: mark the phy-mode for internal PHY ports
  MIPS: mscc: ocelot: disable all switch ports by default
  MAINTAINERS: adjust PISTACHIO SOC SUPPORT after its retirement
  MIPS: Return true/false (not 1/0) from bool functions
  MIPS: generic: Return true/false (not 1/0) from bool functions
  MIPS: Make a alias for pistachio_defconfig
  MIPS: Retire MACH_PISTACHIO
  MIPS: config: generic: Add config for Marduk board
  pinctrl: pistachio: Make it as an option
  phy: pistachio-usb: Depend on MIPS || COMPILE_TEST
  clocksource/drivers/pistachio: Make it selectable for MIPS
  clk: pistachio: Make it selectable for generic MIPS kernel
  MIPS: DTS: Pistachio add missing cpc and cdmm
  MIPS: generic: Allow generating FIT image for Marduk board
  MIPS: locking/atomic: Fix atomic{_64,}_sub_if_positive
  MIPS: loongson2ef: don't build serial.o unconditionally
  MIPS: Replace deprecated CPU-hotplug functions.
  MIPS: Alchemy: Fix spelling contraction "cant" -> "can't"
  ...
2021-09-03 11:11:54 -07:00
Linus Torvalds
603eefda5f OpenRISC updates for 5.15
A few cleanups and compiler warning fixes for OpenRISC.  Also, this
 includes dts and defconfig updates to enable Ethernet on OpenRISC/Litex
 FPGA SoC's now that the LiteEth driver has gone upstream.
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Merge tag 'for-linus' of git://github.com/openrisc/linux

Pull OpenRISC updates from Stafford Horne:
 "A few cleanups and compiler warning fixes for OpenRISC.

  Also, this includes dts and defconfig updates to enable Ethernet on
  OpenRISC/Litex FPGA SoC's now that the LiteEth driver has gone
  upstream"

* tag 'for-linus' of git://github.com/openrisc/linux:
  openrisc/litex: Update defconfig
  openrisc/litex: Add ethernet device
  openrisc/litex: Update uart address
  openrisc: Fix compiler warnings in setup
  openrisc: rename or32 code & comments to or1k
  openrisc: don't printk() unconditionally
2021-09-03 11:03:00 -07:00
Linus Torvalds
3de18c865f Merge branch 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
Pull swiotlb updates from Konrad Rzeszutek Wilk:
 "A new feature called restricted DMA pools. It allows SWIOTLB to
  utilize per-device (or per-platform) allocated memory pools instead of
  using the global one.

  The first big user of this is ARM Confidential Computing where the
  memory for DMA operations can be set per platform"

* 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb: (23 commits)
  swiotlb: use depends on for DMA_RESTRICTED_POOL
  of: restricted dma: Don't fail device probe on rmem init failure
  of: Move of_dma_set_restricted_buffer() into device.c
  powerpc/svm: Don't issue ultracalls if !mem_encrypt_active()
  s390/pv: fix the forcing of the swiotlb
  swiotlb: Free tbl memory in swiotlb_exit()
  swiotlb: Emit diagnostic in swiotlb_exit()
  swiotlb: Convert io_default_tlb_mem to static allocation
  of: Return success from of_dma_set_restricted_buffer() when !OF_ADDRESS
  swiotlb: add overflow checks to swiotlb_bounce
  swiotlb: fix implicit debugfs declarations
  of: Add plumbing for restricted DMA pool
  dt-bindings: of: Add restricted DMA pool
  swiotlb: Add restricted DMA pool initialization
  swiotlb: Add restricted DMA alloc/free support
  swiotlb: Refactor swiotlb_tbl_unmap_single
  swiotlb: Move alloc_size to swiotlb_find_slots
  swiotlb: Use is_swiotlb_force_bounce for swiotlb data bouncing
  swiotlb: Update is_swiotlb_active to add a struct device argument
  swiotlb: Update is_swiotlb_buffer to add a struct device argument
  ...
2021-09-03 10:34:44 -07:00
Linus Torvalds
14726903c8 Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
 "173 patches.

  Subsystems affected by this series: ia64, ocfs2, block, and mm (debug,
  pagecache, gup, swap, shmem, memcg, selftests, pagemap, mremap,
  bootmem, sparsemem, vmalloc, kasan, pagealloc, memory-failure,
  hugetlb, userfaultfd, vmscan, compaction, mempolicy, memblock,
  oom-kill, migration, ksm, percpu, vmstat, and madvise)"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (173 commits)
  mm/madvise: add MADV_WILLNEED to process_madvise()
  mm/vmstat: remove unneeded return value
  mm/vmstat: simplify the array size calculation
  mm/vmstat: correct some wrong comments
  mm/percpu,c: remove obsolete comments of pcpu_chunk_populated()
  selftests: vm: add COW time test for KSM pages
  selftests: vm: add KSM merging time test
  mm: KSM: fix data type
  selftests: vm: add KSM merging across nodes test
  selftests: vm: add KSM zero page merging test
  selftests: vm: add KSM unmerge test
  selftests: vm: add KSM merge test
  mm/migrate: correct kernel-doc notation
  mm: wire up syscall process_mrelease
  mm: introduce process_mrelease system call
  memblock: make memblock_find_in_range method private
  mm/mempolicy.c: use in_task() in mempolicy_slab_node()
  mm/mempolicy: unify the create() func for bind/interleave/prefer-many policies
  mm/mempolicy: advertise new MPOL_PREFERRED_MANY
  mm/hugetlb: add support for mempolicy MPOL_PREFERRED_MANY
  ...
2021-09-03 10:08:28 -07:00
Suren Baghdasaryan
dce4910396 mm: wire up syscall process_mrelease
Split off from prev patch in the series that implements the syscall.

Link: https://lkml.kernel.org/r/20210809185259.405936-2-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jan Engelhardt <jengelh@inai.de>
Cc: Jann Horn <jannh@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Tim Murray <timmurray@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:17 -07:00
Mike Rapoport
a7259df767 memblock: make memblock_find_in_range method private
There are a lot of uses of memblock_find_in_range() along with
memblock_reserve() from the times memblock allocation APIs did not exist.

memblock_find_in_range() is the very core of memblock allocations, so any
future changes to its internal behaviour would mandate updates of all the
users outside memblock.

Replace the calls to memblock_find_in_range() with an equivalent calls to
memblock_phys_alloc() and memblock_phys_alloc_range() and make
memblock_find_in_range() private method of memblock.

This simplifies the callers, ensures that (unlikely) errors in
memblock_reserve() are handled and improves maintainability of
memblock_find_in_range().

Link: https://lkml.kernel.org/r/20210816122622.30279-1-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>		[arm64]
Acked-by: Kirill A. Shutemov <kirill.shtuemov@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>	[ACPI]
Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Acked-by: Nick Kossifidis <mick@ics.forth.gr>			[riscv]
Tested-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:17 -07:00
Mike Rapoport
22e7878102 microblaze: simplify pte_alloc_one_kernel()
The microblaze's implementation of pte_alloc_one_kernel() used
memblock_alloc_try_nid_raw() along with clear_page() to allocated a zeroed
page during early setup.

Replace calls of these functions with a call to memblock_alloc_try_nid()
that already returns zeroed page and respects the same allocation limits
as memblock_alloc_try_nid_raw().

While on it drop early_get_page() wrapper that was only used in
pte_alloc_one_kernel().

Link: https://lkml.kernel.org/r/20210714123739.16493-3-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:15 -07:00
Mike Rapoport
c3ab6baf6a mm/page_alloc: always initialize memory map for the holes
Patch series "mm: ensure consistency of memory map poisoning".

Currently memory map allocation for FLATMEM case does not poison the
struct pages regardless of CONFIG_PAGE_POISON setting.

This happens because allocation of the memory map for FLATMEM and SPARSMEM
use different memblock functions and those that are used for SPARSMEM case
(namely memblock_alloc_try_nid_raw() and memblock_alloc_exact_nid_raw())
implicitly poison the allocated memory.

Another side effect of this implicit poisoning is that early setup code
that uses the same functions to allocate memory burns cycles for the
memory poisoning even if it was not intended.

These patches introduce memmap_alloc() wrapper that ensure that the memory
map allocation is consistent for different memory models.

This patch (of 4):

Currently memory map for the holes is initialized only when SPARSEMEM
memory model is used.  Yet, even with FLATMEM there could be holes in the
physical memory layout that have memory map entries.

For instance, the memory reserved using e820 API on i386 or
"reserved-memory" nodes in device tree would not appear in memblock.memory
and hence the struct pages for such holes will be skipped during memory
map initialization.

These struct pages will be zeroed because the memory map for FLATMEM
systems is allocated with memblock_alloc_node() that clears the allocated
memory.  While zeroed struct pages do not cause immediate problems, the
correct behaviour is to initialize every page using __init_single_page().
Besides, enabling page poison for FLATMEM case will trigger
PF_POISONED_CHECK() unless the memory map is properly initialized.

Make sure init_unavailable_range() is called for both SPARSEMEM and
FLATMEM so that struct pages representing memory holes would appear as
PG_Reserved with any memory layout.

[rppt@kernel.org: fix microblaze]
  Link: https://lkml.kernel.org/r/YQWW3RCE4eWBuMu/@kernel.org

Link: https://lkml.kernel.org/r/20210714123739.16493-1-rppt@kernel.org
Link: https://lkml.kernel.org/r/20210714123739.16493-2-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:15 -07:00
Ohhoon Kwon
fc1f5e980a mm: sparse: pass section_nr to find_memory_block
With CONFIG_SPARSEMEM_EXTREME enabled, __section_nr() which converts
mem_section to section_nr could be costly since it iterates all section
roots to check if the given mem_section is in its range.

On the other hand, __nr_to_section() which converts section_nr to
mem_section can be done in O(1).

Let's pass section_nr instead of mem_section ptr to find_memory_block() in
order to reduce needless iterations.

Link: https://lkml.kernel.org/r/20210707150212.855-3-ohoono.kwon@samsung.com
Signed-off-by: Ohhoon Kwon <ohoono.kwon@samsung.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:14 -07:00
Christoph Hellwig
f358afc52c mm: remove flush_kernel_dcache_page
flush_kernel_dcache_page is a rather confusing interface that implements a
subset of flush_dcache_page by not being able to properly handle page
cache mapped pages.

The only callers left are in the exec code as all other previous callers
were incorrect as they could have dealt with page cache pages.  Replace
the calls to flush_kernel_dcache_page with calls to flush_dcache_page,
which for all architectures does either exactly the same thing, can
contains one or more of the following:

 1) an optimization to defer the cache flush for page cache pages not
    mapped into userspace
 2) additional flushing for mapped page cache pages if cache aliases
    are possible

Link: https://lkml.kernel.org/r/20210712060928.4161649-7-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Cc: Alex Shi <alexs@kernel.org>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Guo Ren <guoren@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Yoshinori Sato <ysato@users.osdn.me>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:13 -07:00
Vasily Averin
ec403e2ae0 memcg: enable accounting for ldt_struct objects
Each task can request own LDT and force the kernel to allocate up to 64Kb
memory per-mm.

There are legitimate workloads with hundreds of processes and there can be
hundreds of workloads running on large machines.  The unaccounted memory
can cause isolation issues between the workloads particularly on highly
utilized machines.

It makes sense to account for this objects to restrict the host's memory
consumption from inside the memcg-limited container.

Link: https://lkml.kernel.org/r/38010594-50fe-c06d-7cb0-d1f77ca422f3@virtuozzo.com
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Acked-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrei Vagin <avagin@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Dmitry Safonov <0x7f454c46@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kirill Tkhai <ktkhai@virtuozzo.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Serge Hallyn <serge@hallyn.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Yutian Yang <nglaive@gmail.com>
Cc: Zefan Li <lizefan.x@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:13 -07:00
John Hubbard
9857a17f20 mm/gup: remove try_get_page(), call try_get_compound_head() directly
try_get_page() is very similar to try_get_compound_head(), and in fact
try_get_page() has fallen a little behind in terms of maintenance:
try_get_compound_head() handles speculative page references more
thoroughly.

There are only two try_get_page() callsites, so just call
try_get_compound_head() directly from those, and remove try_get_page()
entirely.

Also, seeing as how this changes try_get_compound_head() into a non-static
function, provide some kerneldoc documentation for it.

Link: https://lkml.kernel.org/r/20210813044133.1536842-4-jhubbard@nvidia.com
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:11 -07:00
kernel test robot
4bdffd2708 arch/csky/kernel/probes/kprobes.c: fix bugon.cocci warnings
Use BUG_ON instead of a if condition followed by BUG.

Generated by: scripts/coccinelle/misc/bugon.cocci

Link: https://lkml.kernel.org/r/alpine.DEB.2.22.394.2107061049150.7197@hadrien
Fixes: 7d37cb2c91 ("lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS")
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Julian Braha <julianbraha@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:09 -07:00
Geert Uytterhoeven
7e4265c889 ia64: make num_rsvd_regions static
Commit f62800992e ("ia64: switch to NO_BOOTMEM") removed the last
user of num_rsvd_regions outside arch/ia64/kernel/setup.c.

Link: https://lkml.kernel.org/r/a377b5437e3e9da93d02f996fe06a2b956cb0990.1629884459.git.geert+renesas@glider.be
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Jay Lan <jlan@sgi.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:09 -07:00
Geert Uytterhoeven
70b2e9912a ia64: make reserve_elfcorehdr() static
There never was a reason for reserve_elfcorehdr() to be global.  Make the
function static, and move it before its sole caller.

Link: https://lkml.kernel.org/r/fe236cd73b64abc4abd03dd808cb015c907f4c8c.1629884459.git.geert+renesas@glider.be
Fixes: cee87af2a5 ("[IA64] kexec: Use EFI_LOADER_DATA for ELF core header")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Jay Lan <jlan@sgi.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:09 -07:00
Geert Uytterhoeven
1d1f4bf845 ia64: fix #endif comment for reserve_elfcorehdr()
Patch series "ia64: Miscellaneous fixes and cleanups".

This patch series contains some miscellaneous fixes and cleanups for ia64.
The second patch fixes a naming conflict triggered by a patch for the FDT
code.

This patch (of 3):

The definition of reserve_elfcorehdr() depends on CONFIG_CRASH_DUMP, not
CONFIG_PROC_VMCORE.

Link: https://lkml.kernel.org/r/cover.1629884459.git.geert+renesas@glider.be
Link: https://lkml.kernel.org/r/77b4c0648f200cab7e1c2c5171c06763e09362aa.1629884459.git.geert+renesas@glider.be
Fixes: d9a9855d0b ("always reserve elfcore header memory in crash kernel")
Fixes: 17c1f07ed7 ("[IA64] Reserve elfcorehdr memory in CONFIG_CRASH_DUMP")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Simon Horman <horms@verge.net.au>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Jay Lan <jlan@sgi.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:09 -07:00
Jason Wang
577706de69 ia64: fix typo in a comment
s/when when/when/

Link: https://lkml.kernel.org/r/20210817112500.12848-1-wangborong@cdjrlc.com
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03 09:58:09 -07:00
Linus Torvalds
c793011242 This is the bulk of pin control changes for the v5.15 kernel cycle,
no core changes at all this time, just driver work!
 
 New drivers:
 
 - New subdriver for Intel Keem Bay (an ARM-based SoC)
 
 - New subdriver for Qualcomm MDM9607 and SM6115
 
 - New subdriver for ST Microelectronics STM32MP135
 
 - New subdriver for Freescale i.MX8ULP ("Ultra Low Power")
 
 - New subdriver for Ingenic X2100
 
 - Support for Qualcomm PMC8180, PMC8180C, SA8155p-adp PMIC GPIO
 
 - Support Samsung Exynos850
 
 - Support Renesas RZ/G2L
 
 Enhancements:
 
 - A major refactoring of the Rockchip driver, breaking part of it out
   to a separate GPIO driver in drivers/gpio
 
 - Pin bias support on Renesas r8a77995
 
 - Add SCI pins support to Ingenic JZ4755 and JZ4760
 
 - Mediatek device tree bindings converted to YAML
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Merge tag 'pinctrl-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the bulk of pin control changes for the v5.15 kernel cycle, no
  core changes at all this time, just driver work!

  New drivers:

   - New subdriver for Intel Keem Bay (an ARM-based SoC)

   - New subdriver for Qualcomm MDM9607 and SM6115

   - New subdriver for ST Microelectronics STM32MP135

   - New subdriver for Freescale i.MX8ULP ("Ultra Low Power")

   - New subdriver for Ingenic X2100

   - Support for Qualcomm PMC8180, PMC8180C, SA8155p-adp PMIC GPIO

   - Support Samsung Exynos850

   - Support Renesas RZ/G2L

  Enhancements:

   - A major refactoring of the Rockchip driver, breaking part of it out
     to a separate GPIO driver in drivers/gpio

   - Pin bias support on Renesas r8a77995

   - Add SCI pins support to Ingenic JZ4755 and JZ4760

   - Mediatek device tree bindings converted to YAML"

* tag 'pinctrl-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (53 commits)
  pinctrl: renesas: Add RZ/G2L pin and gpio controller driver
  pinctrl: samsung: Add Exynos850 SoC specific data
  dt-bindings: pinctrl: samsung: Add Exynos850 doc
  MAINTAINERS: Add maintainers for amd-pinctrl driver
  pinctrl: Add Intel Keem Bay pinctrl driver
  dt-bindings: pinctrl: Add bindings for Intel Keembay pinctrl driver
  pinctrl: zynqmp: Drop pinctrl_unregister for devm_ registered device
  dt-bindings: pinctrl: qcom-pmic-gpio: Remove the interrupts property
  dt-bindings: pinctrl: qcom-pmic-gpio: Convert qcom pmic gpio bindings to YAML
  dt-bindings: pinctrl: mt8195: Use real world values for drive-strength arguments
  dt-bindings: mediatek: convert pinctrl to yaml
  arm: dts: mt8183: Move pinfunc to include/dt-bindings/pinctrl
  arm: dts: mt8135: Move pinfunc to include/dt-bindings/pinctrl
  pinctrl: ingenic: Add .max_register in regmap_config
  pinctrl: ingenic: Fix bias config for X2000(E)
  pinctrl: ingenic: Fix incorrect pull up/down info
  pinctrl: Ingenic: Add pinctrl driver for X2100.
  dt-bindings: pinctrl: Add bindings for Ingenic X2100.
  pinctrl: Ingenic: Add SSI pins support for JZ4755 and JZ4760.
  pinctrl: Ingenic: Improve the code.
  ...
2021-09-02 14:22:56 -07:00
Linus Torvalds
89b6b8cd92 VFIO update for v5.15-rc1
- Fix dma-valid return WAITED implementation (Anthony Yznaga)
 
  - SPDX license cleanups (Cai Huoqing)
 
  - Split vfio-pci-core from vfio-pci and enhance PCI driver matching
    to support future vendor provided vfio-pci variants (Yishai Hadas,
    Max Gurtovoy, Jason Gunthorpe)
 
  - Replace duplicated reflck with core support for managing first
    open, last close, and device sets (Jason Gunthorpe, Max Gurtovoy,
    Yishai Hadas)
 
  - Fix non-modular mdev support and don't nag about request callback
    support (Christoph Hellwig)
 
  - Add semaphore to protect instruction intercept handler and replace
    open-coded locks in vfio-ap driver (Tony Krowiak)
 
  - Convert vfio-ap to vfio_register_group_dev() API (Jason Gunthorpe)
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Merge tag 'vfio-v5.15-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Fix dma-valid return WAITED implementation (Anthony Yznaga)

 - SPDX license cleanups (Cai Huoqing)

 - Split vfio-pci-core from vfio-pci and enhance PCI driver matching to
   support future vendor provided vfio-pci variants (Yishai Hadas, Max
   Gurtovoy, Jason Gunthorpe)

 - Replace duplicated reflck with core support for managing first open,
   last close, and device sets (Jason Gunthorpe, Max Gurtovoy, Yishai
   Hadas)

 - Fix non-modular mdev support and don't nag about request callback
   support (Christoph Hellwig)

 - Add semaphore to protect instruction intercept handler and replace
   open-coded locks in vfio-ap driver (Tony Krowiak)

 - Convert vfio-ap to vfio_register_group_dev() API (Jason Gunthorpe)

* tag 'vfio-v5.15-rc1' of git://github.com/awilliam/linux-vfio: (37 commits)
  vfio/pci: Introduce vfio_pci_core.ko
  vfio: Use kconfig if XX/endif blocks instead of repeating 'depends on'
  vfio: Use select for eventfd
  PCI / VFIO: Add 'override_only' support for VFIO PCI sub system
  PCI: Add 'override_only' field to struct pci_device_id
  vfio/pci: Move module parameters to vfio_pci.c
  vfio/pci: Move igd initialization to vfio_pci.c
  vfio/pci: Split the pci_driver code out of vfio_pci_core.c
  vfio/pci: Include vfio header in vfio_pci_core.h
  vfio/pci: Rename ops functions to fit core namings
  vfio/pci: Rename vfio_pci_device to vfio_pci_core_device
  vfio/pci: Rename vfio_pci_private.h to vfio_pci_core.h
  vfio/pci: Rename vfio_pci.c to vfio_pci_core.c
  vfio/ap_ops: Convert to use vfio_register_group_dev()
  s390/vfio-ap: replace open coded locks for VFIO_GROUP_NOTIFY_SET_KVM notification
  s390/vfio-ap: r/w lock for PQAP interception handler function pointer
  vfio/type1: Fix vfio_find_dma_valid return
  vfio-pci/zdev: Remove repeated verbose license text
  vfio: platform: reset: Convert to SPDX identifier
  vfio: Remove struct vfio_device_ops open/release
  ...
2021-09-02 13:41:33 -07:00
Linus Torvalds
9ae5fceb9a xen: branch for v5.15-rc1
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Merge tag 'for-linus-5.15-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - some small cleanups

 - a fix for a bug when running as Xen PV guest which could result in
   not all memory being transferred in case of a migration of the guest

 - a small series for getting rid of code for supporting very old Xen
   hypervisor versions nobody should be using since many years now

 - a series for hardening the Xen block frontend driver

 - a fix for Xen PV boot code issuing warning messages due to a stray
   preempt_disable() on the non-boot processors

* tag 'for-linus-5.15-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: remove stray preempt_disable() from PV AP startup code
  xen/pcifront: Removed unnecessary __ref annotation
  x86: xen: platform-pci-unplug: use pr_err() and pr_warn() instead of raw printk()
  drivers/xen/xenbus/xenbus_client.c: fix bugon.cocci warnings
  xen/blkfront: don't trust the backend response data blindly
  xen/blkfront: don't take local copy of a request from the ring page
  xen/blkfront: read response from backend only once
  xen: assume XENFEAT_gnttab_map_avail_bits being set for pv guests
  xen: assume XENFEAT_mmu_pt_update_preserve_ad being set for pv guests
  xen: check required Xen features
  xen: fix setting of max_pfn in shared_info
2021-09-02 13:20:11 -07:00
Linus Torvalds
a2d616b935 parisc architecture updates for kernel 5.15:
- Fix a kernel crash when a signal is delivered to bad userspace stack
 - Fix fall-through warnings in math-emu code
 - Increase size of gcc stack frame check
 - Switch coding from 'pci_' to 'dma_' API
 - Make struct parisc_driver::remove() return void
 - Some parisc related Makefile changes
 - Minor cleanups, e.g. change to octal permissions, fix macro collisions,
   fix PMD_ORDER collision, replace spaces with tabs
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Merge tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture updates from Helge Deller:

 - Fix a kernel crash when a signal is delivered to bad userspace stack

 - Fix fall-through warnings in math-emu code

 - Increase size of gcc stack frame check

 - Switch coding from 'pci_' to 'dma_' API

 - Make struct parisc_driver::remove() return void

 - Some parisc related Makefile changes

 - Minor cleanups, e.g. change to octal permissions, fix macro
   collisions, fix PMD_ORDER collision, replace spaces with tabs

* tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: math-emu: Fix fall-through warnings
  parisc: fix crash with signals and alloca
  parisc: Fix compile failure when building 64-bit kernel natively
  parisc: ccio-dma.c: Added tab instead of spaces
  parisc/parport_gsc: switch from 'pci_' to 'dma_' API
  parisc: move core-y in arch/parisc/Makefile to arch/parisc/Kbuild
  parisc: switch from 'pci_' to 'dma_' API
  parisc: Make struct parisc_driver::remove() return void
  parisc: remove unused arch/parisc/boot/install.sh and its phony target
  parisc: Rename PMD_ORDER to PMD_TABLE_ORDER
  parisc: math-emu: Avoid "fmt" macro collision
  parisc: Increase size of gcc stack frame check
  parisc: Replace symbolic permissions with octal permissions
2021-09-02 13:16:00 -07:00
Linus Torvalds
b5d6d2633c Xtensa updates for v5.15
- fix kconfig unmet dependency warning for HAVE_FUTEX_CMPXCHG
 - add fairness to handling IRQs of the same priority
 - fix pointer usage before NULL check in ISS console driver
 - build system cleanups
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Merge tag 'xtensa-20210902' of git://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa updates from Max Filippov:

 - fix kconfig unmet dependency warning for HAVE_FUTEX_CMPXCHG

 - add fairness to handling IRQs of the same priority

 - fix pointer usage before NULL check in ISS console driver

 - build system cleanups

* tag 'xtensa-20210902' of git://github.com/jcmvbkbc/linux-xtensa:
  xtensa: move core-y in arch/xtensa/Makefile to arch/xtensa/Kbuild
  xtensa: build platform directories unconditionally
  xtensa: do not build variants directory
  xtensa: remove unneeded exports
  xtensa: ISS: don't use string pointer before NULL check
  xtensa: add fairness to IRQ handling
  xtensa: fix kconfig unmet dependency warning for HAVE_FUTEX_CMPXCHG
2021-09-02 13:12:44 -07:00
Linus Torvalds
4a3bb4200a dma-mapping updates for Linux 5.15
- fix debugfs initialization order (Anthony Iliopoulos)
  - use memory_intersects() directly (Kefeng Wang)
  - allow to return specific errors from ->map_sg
    (Logan Gunthorpe, Martin Oliveira)
  - turn the dma_map_sg return value into an unsigned int (me)
  - provide a common global coherent pool іmplementation (me)
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Merge tag 'dma-mapping-5.15' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - fix debugfs initialization order (Anthony Iliopoulos)

 - use memory_intersects() directly (Kefeng Wang)

 - allow to return specific errors from ->map_sg (Logan Gunthorpe,
   Martin Oliveira)

 - turn the dma_map_sg return value into an unsigned int (me)

 - provide a common global coherent pool іmplementation (me)

* tag 'dma-mapping-5.15' of git://git.infradead.org/users/hch/dma-mapping: (31 commits)
  hexagon: use the generic global coherent pool
  dma-mapping: make the global coherent pool conditional
  dma-mapping: add a dma_init_global_coherent helper
  dma-mapping: simplify dma_init_coherent_memory
  dma-mapping: allow using the global coherent pool for !ARM
  ARM/nommu: use the generic dma-direct code for non-coherent devices
  dma-direct: add support for dma_coherent_default_memory
  dma-mapping: return an unsigned int from dma_map_sg{,_attrs}
  dma-mapping: disallow .map_sg operations from returning zero on error
  dma-mapping: return error code from dma_dummy_map_sg()
  x86/amd_gart: don't set failed sg dma_address to DMA_MAPPING_ERROR
  x86/amd_gart: return error code from gart_map_sg()
  xen: swiotlb: return error code from xen_swiotlb_map_sg()
  parisc: return error code from .map_sg() ops
  sparc/iommu: don't set failed sg dma_address to DMA_MAPPING_ERROR
  sparc/iommu: return error codes from .map_sg() ops
  s390/pci: don't set failed sg dma_address to DMA_MAPPING_ERROR
  s390/pci: return error code from s390_dma_map_sg()
  powerpc/iommu: don't set failed sg dma_address to DMA_MAPPING_ERROR
  powerpc/iommu: return error code from .map_sg() ops
  ...
2021-09-02 10:32:06 -07:00
Oleksij Rempel
bea6a94a27 MIPS: Malta: fix alignment of the devicetree buffer
Starting with following patch MIPS Malta is not able to boot:
| commit 79edff1206
| Author: Rob Herring <robh@kernel.org>
| scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9

The reason is the alignment test added to the fdt_ro_probe_(). To fix
this issue, we need to make sure that fdt_buf is aligned.

Since the dtc patch was designed to uncover potential issue, I handle
initial MIPS Malta patch as initial bug.

Fixes: e81a8c7dab ("MIPS: Malta: Setup RAM regions via DT")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-09-02 10:18:26 +02:00
Linus Torvalds
df43d90382 printk changes for 5.15
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Merge tag 'printk-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Optionally, provide an index of possible printk messages via
   <debugfs>/printk/index/. It can be used when monitoring important
   kernel messages on a farm of various hosts. The monitor has to be
   updated when some messages has changed or are not longer available by
   a newly deployed kernel.

 - Add printk.console_no_auto_verbose boot parameter. It allows to
   generate crash dump even with slow consoles in a reasonable time
   frame.

 - Remove printk_safe buffers. The messages are always stored directly
   to the main logbuffer, even in NMI or recursive context. Also it
   allows to serialize syslog operations by a mutex instead of a spin
   lock.

 - Misc clean up and build fixes.

* tag 'printk-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk/index: Fix -Wunused-function warning
  lib/nmi_backtrace: Serialize even messages about idle CPUs
  printk: Add printk.console_no_auto_verbose boot parameter
  printk: Remove console_silent()
  lib/test_scanf: Handle n_bits == 0 in random tests
  printk: syslog: close window between wait and read
  printk: convert @syslog_lock to mutex
  printk: remove NMI tracking
  printk: remove safe buffers
  printk: track/limit recursion
  lib/nmi_backtrace: explicitly serialize banner and regs
  printk: Move the printk() kerneldoc comment to its new home
  printk/index: Fix warning about missing prototypes
  MIPS/asm/printk: Fix build failure caused by printk
  printk: index: Add indexing support to dev_printk
  printk: Userspace format indexing support
  printk: Rework parse_prefix into printk_parse_prefix
  printk: Straighten out log_flags into printk_info_flags
  string_helpers: Escape double quotes in escape_special
  printk/console: Check consistent sequence number when handling race in console_unlock()
2021-09-01 18:41:13 -07:00
Linus Torvalds
9e5f3ffcf1 Devicetree updates for v5.15:
- Refactor arch kdump DT related code to a common implementation
 
 - Add fw_devlink tracking for 'phy-handle', 'leds', 'backlight',
   'resets', and 'pwm' properties
 
 - Various clean-ups to DT FDT code
 
 - Fix a runtime error for !CONFIG_SYSFS
 
 - Convert Synopsys DW PCI and derivative binding docs to schemas. Add
   Toshiba Visconti PCIe binding.
 
 - Convert a bunch of memory controller bindings to schemas
 
 - Covert eeprom-93xx46, Samsung Exynos TRNG, Samsung Exynos IRQ
   combiner, arm-charlcd, img-ascii-lcd, UniPhier eFuse, Xilinx Zynq
   MPSoC FPGA, Xilinx Zynq MPSoC reset, Mediatek mmsys, Gemini boards,
   brcm,iproc-i2c, faraday,ftpci100, and ks8851 net to DT schema.
 
 - Extend nvmem bindings to handle bit offsets in unit-addresses
 
 - Add DT schemas for HiKey 970 PCIe PHY
 
 - Remove unused ZTE, energymicro,efm32-timer, and Exynos SATA bindings
 
 - Enable dtc pci_device_reg warning by default
 
 - Fixes for handling 'unevaluatedProperties' in preparation to enable
   pending support in the tooling for jsonschema 2020-12 draft
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Merge tag 'devicetree-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Refactor arch kdump DT related code to a common implementation

 - Add fw_devlink tracking for 'phy-handle', 'leds', 'backlight',
   'resets', and 'pwm' properties

 - Various clean-ups to DT FDT code

 - Fix a runtime error for !CONFIG_SYSFS

 - Convert Synopsys DW PCI and derivative binding docs to schemas. Add
   Toshiba Visconti PCIe binding.

 - Convert a bunch of memory controller bindings to schemas

 - Covert eeprom-93xx46, Samsung Exynos TRNG, Samsung Exynos IRQ
   combiner, arm-charlcd, img-ascii-lcd, UniPhier eFuse, Xilinx Zynq
   MPSoC FPGA, Xilinx Zynq MPSoC reset, Mediatek mmsys, Gemini boards,
   brcm,iproc-i2c, faraday,ftpci100, and ks8851 net to DT schema.

 - Extend nvmem bindings to handle bit offsets in unit-addresses

 - Add DT schemas for HiKey 970 PCIe PHY

 - Remove unused ZTE, energymicro,efm32-timer, and Exynos SATA bindings

 - Enable dtc pci_device_reg warning by default

 - Fixes for handling 'unevaluatedProperties' in preparation to enable
   pending support in the tooling for jsonschema 2020-12 draft

* tag 'devicetree-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (78 commits)
  dt-bindings: display: remove zte,vou.txt binding doc
  dt-bindings: hwmon: merge max1619 into trivial devices
  dt-bindings: mtd-physmap: Add 'arm,vexpress-flash' compatible
  dt-bindings: PCI: imx6: convert the imx pcie controller to dtschema
  dt-bindings: Use 'enum' instead of 'oneOf' plus 'const' entries
  dt-bindings: Add vendor prefix for Topic Embedded Systems
  of: fdt: Rename reserve_elfcorehdr() to fdt_reserve_elfcorehdr()
  arm64: kdump: Remove custom linux,usable-memory-range handling
  arm64: kdump: Remove custom linux,elfcorehdr handling
  riscv: Remove non-standard linux,elfcorehdr handling
  of: fdt: Use IS_ENABLED(CONFIG_BLK_DEV_INITRD) instead of #ifdef
  of: fdt: Add generic support for handling usable memory range property
  of: fdt: Add generic support for handling elf core headers property
  crash_dump: Make elfcorehdr address/size symbols always visible
  dt-bindings: memory: convert Samsung Exynos DMC to dtschema
  dt-bindings: devfreq: event: convert Samsung Exynos PPMU to dtschema
  dt-bindings: devfreq: event: convert Samsung Exynos NoCP to dtschema
  kbuild: Enable dtc 'pci_device_reg' warning by default
  dt-bindings: soc: remove obsolete zte zx header
  dt-bindings: clock: remove obsolete zte zx header
  ...
2021-09-01 18:34:51 -07:00
Linus Torvalds
6104dde096 m68knommu: collection of fixes for 5.15
. flexcan platform support (for m5441x)
 . fix CONFIG_ROMKERNEL linking
 . fix compilation when CONFIG_ISA_DMA_API is set
 . fix local ColdFire clk_enable() for NULL clk
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Merge tag 'm68knommu-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

Pull m68knommu updates from Greg Ungerer:
 "A collection of fixes:

   -  flexcan platform support (for m5441x)

   -  fix CONFIG_ROMKERNEL linking

   -  fix compilation when CONFIG_ISA_DMA_API is set

   -  fix local ColdFire clk_enable() for NULL clk"

* tag 'm68knommu-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: only set CONFIG_ISA_DMA_API for ColdFire sub-arch
  m68k: coldfire: return success for clk_enable(NULL)
  m68k: m5441x: add flexcan support
  m68k: stmark2: update board setup
  m68k/nommu: prevent setting ROMKERNEL when ROM is not set
2021-09-01 18:31:45 -07:00
Linus Torvalds
c07f191907 hyperv-next for 5.15
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Merge tag 'hyperv-next-signed-20210831' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - make Hyper-V code arch-agnostic (Michael Kelley)

 - fix sched_clock behaviour on Hyper-V (Ani Sinha)

 - fix a fault when Linux runs as the root partition on MSHV (Praveen
   Kumar)

 - fix VSS driver (Vitaly Kuznetsov)

 - cleanup (Sonia Sharma)

* tag 'hyperv-next-signed-20210831' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  hv_utils: Set the maximum packet size for VSS driver to the length of the receive buffer
  Drivers: hv: Enable Hyper-V code to be built on ARM64
  arm64: efi: Export screen_info
  arm64: hyperv: Initialize hypervisor on boot
  arm64: hyperv: Add panic handler
  arm64: hyperv: Add Hyper-V hypercall and register access utilities
  x86/hyperv: fix root partition faults when writing to VP assist page MSR
  hv: hyperv.h: Remove unused inline functions
  drivers: hv: Decouple Hyper-V clock/timer code from VMbus drivers
  x86/hyperv: add comment describing TSC_INVARIANT_CONTROL MSR setting bit 0
  Drivers: hv: Move Hyper-V misc functionality to arch-neutral code
  Drivers: hv: Add arch independent default functions for some Hyper-V handlers
  Drivers: hv: Make portions of Hyper-V init code be arch neutral
  x86/hyperv: fix for unwanted manipulation of sched_clock when TSC marked unstable
  asm-generic/hyperv: Add missing #include of nmi.h
2021-09-01 18:25:20 -07:00
Linus Torvalds
7c636d4d20 ARM: SoC DT changes for 5.15
As usual, the bulk of work in the SoC tree goes into DT files,
 this time with a roughly even split between 32-bit and 64-bit
 SoCs rather than the usual mostly 64-bit changes.
 
 New SoCs:
 
  - Microchip SAMA7 SoC family based on Cortex-A7, a new
    32-bit platform based on the older SAMA5 series.
 
  - Qualcomm Snapdragon SDM636 and SM8150, variations of the
    existing phone SoCs.
 
  - Renesas R-Car H3e-2G and M3e-2G SoCs, variations of
    older Renesas SoCs.
 
 New boards:
 
  - Marvell CN913x reference boards
 
  - ASpeed AST2600 BMC implementations for Facebook Cloudripper,
    Elbert and Fuji server boards.
 
  - Snapdragon 665 based Sony Xperia 10II
 
  - Snapdragon MSM8916 based Xiaomi Redmi 2
 
  - Snapdragon MSM8226 based Samsung Galaxy S3 Neo
 
  - NXP i.MX based 32-bit boards:
    - DHCOM based PicoITX
    - DHSOM based DRC0ỉ
    - SolidRun SolidSense
    - SKOV i.MX6 boards.
 
  - NXP i.MX based 64-bit boards:
    - Nitrogen8 SoM and MNT Reform2
    - LS1088A based Traverse Ten64
    - i.MX8M based GW7902.
 
  - NVIDIA Jetson TX2 NX Developer Kit
 
  - 4KOpen STiH418-b2264 development board
 
  - ux500 based Samsung phones: Gavini, Codina and Kyle
 
  - TI AM335x based Sancloud BBE Lite
 
  - ixp4xx dts files to replace all old board files
 
 Other changes:
 
  - Treewide fixes for dtc warnings
 
  - Rockchips i/o domain support
 
  - TI OMAP/AM3 CPSW switch driver support
 
  - Improved device support for allwinner, aspeed, qualcomm, NXP,
    nvidia, Renesas, Samsung, Amlogic, Mediatek, ixp4xx, stm32, sti,
    OMAP and actions.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'dt-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC DT updates from Arnd Bergmann:
 "As usual, the bulk of work in the SoC tree goes into DT files, this
  time with a roughly even split between 32-bit and 64-bit SoCs rather
  than the usual mostly 64-bit changes.

  New SoCs:

   - Microchip SAMA7 SoC family based on Cortex-A7, a new 32-bit
     platform based on the older SAMA5 series.

   - Qualcomm Snapdragon SDM636 and SM8150, variations of the existing
     phone SoCs.

   - Renesas R-Car H3e-2G and M3e-2G SoCs, variations of older Renesas
     SoCs.

  New boards:

   - Marvell CN913x reference boards

   - ASpeed AST2600 BMC implementations for Facebook Cloudripper, Elbert
     and Fuji server boards.

   - Snapdragon 665 based Sony Xperia 10II

   - Snapdragon MSM8916 based Xiaomi Redmi 2

   - Snapdragon MSM8226 based Samsung Galaxy S3 Neo

   - NXP i.MX based 32-bit boards:
       - DHCOM based PicoITX
       - DHSOM based DRC0ỉ
       - SolidRun SolidSense
       - SKOV i.MX6 boards.

   - NXP i.MX based 64-bit boards:
       - Nitrogen8 SoM and MNT Reform2
       - LS1088A based Traverse Ten64
       - i.MX8M based GW7902.

   - NVIDIA Jetson TX2 NX Developer Kit

   - 4KOpen STiH418-b2264 development board

   - ux500 based Samsung phones: Gavini, Codina and Kyle

   - TI AM335x based Sancloud BBE Lite

   - ixp4xx dts files to replace all old board files

  Other changes:

   - Treewide fixes for dtc warnings

   - Rockchips i/o domain support

   - TI OMAP/AM3 CPSW switch driver support

   - Improved device support for allwinner, aspeed, qualcomm, NXP,
     nvidia, Renesas, Samsung, Amlogic, Mediatek, ixp4xx, stm32, sti,
     OMAP and actions"

* tag 'dt-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (412 commits)
  arm/arm64: dts: Fix remaining dtc 'unit_address_format' warnings
  ARM: dts: rockchip: Add SFC to RV1108
  arm64: dts: marvell: armada-37xx: Extend PCIe MEM space
  ARM: dts: aspeed: p10bmc: Add power control pins
  ARM: dts: aspeed: cloudripper: Add comments for "mdio1"
  ARM: dts: aspeed: minipack: Update flash partition table
  dt-bindings: arm: fsl: Add Traverse Ten64 (LS1088A) board
  dt-bindings: vendor-prefixes: add Traverse Technologies
  arm64: dts: add device tree for Traverse Ten64 (LS1088A)
  arm64: dts: ls1088a: add missing PMU node
  arm64: dts: ls1088a: add internal PCS for DPMAC1 node
  ARM: dts: imx6qp-prtwd3: configure ENET_REF clock to 125MHz
  ARM: dts: vf610-zii-dev-rev-b: Remove #address-cells and #size-cells property from at93c46d dt node
  ARM: dts: add SKOV imx6q and imx6dl based boards
  dt-bindings: arm: fsl: add SKOV imx6q and imx6dl based boards
  dt-bindings: vendor-prefixes: Add an entry for SKOV A/S
  arm64: dts: imx8mq-reform2: add sound support
  arm64: dts: imx8m: drop interrupt-affinity for pmu
  arm64: dts: imx8qxp: update pmu compatible
  arm64: dts: imx8mm: update pmu compatible
  ...
2021-09-01 15:39:09 -07:00
Linus Torvalds
32b47072f3 ARM: defconfigs for v5.15
The usual set of defconfig updates, including one new defconfig file
 for the new sama7 family of SoCs.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'defconfig-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM defconfig updates from Arnd Bergmann:
 "The usual set of defconfig updates, including one new defconfig file
  for the new sama7 family of SoCs"

* tag 'defconfig-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: config: aspeed: Regenerate defconfigs
  ARM: config: aspeed_g4: Enable EDAC and SPGIO
  ARM: config: aspeed: Enable KCS adapter for raw SerIO
  ARM: config: aspeed: Enable hardened allocator feature
  ARM: imx_v6_v7_defconfig: enable driver of the LTC3676 PMIC
  ARM: multi_v7_defconfig: Enable CONFIG_TEGRA30_TSENSOR
  ARM: multi_v7_defconfig: Enable Acer A500 drivers
  ARM: tegra: Rebuild default configuration
  ARM: tegra: Enable CONFIG_CROS_EC
  ARM: tegra: Enable Acer A500 drivers
  ARM: tegra: Enable CONFIG_FB
  ARM: tegra: Enable CONFIG_TEGRA30_TSENSOR
  ARM: configs: multi_v7: enable PL35x NAND controller
  arm64: defconfig: Enable Qualcomm MSM8996 CPU clock driver
  ARM: imx_v6_v7_defconfig: Let CONFIG_SCSI_LOWLEVEL be selected
  ARM: imx_v6_v7_defconfig: Select CONFIG_KPROBES
  ARM: multi_v7_defconfig: Enable CONFIG_MMC_MESON_MX_SDHC
  ARM: multi_v7_defconfig: add sama7g5 SoC
  ARM: configs: at91: add defconfig for sama7 family of SoCs
2021-09-01 15:28:28 -07:00
Linus Torvalds
866147b8fa ARM: SoC drivers for 5.15
These are updates for drivers that are tied to a particular SoC,
 including the correspondig device tree bindings:
 
  - A couple of reset controller changes for unisoc, uniphier, renesas
    and zte platforms
 
  - memory controller driver fixes for omap and tegra
 
  - Rockchip io domain driver updates
 
  - Lots of updates for qualcomm platforms, mostly touching their
    firmware and power management drivers
 
  - Tegra FUSE and firmware driver updateѕ
 
  - Support for virtio transports in the SCMI firmware framework
 
  - cleanup of ixp4xx drivers, towards enabling multiplatform
    support and bringing it up to date with modern platforms
 
  - Minor updates for keystone, mediatek, omap, renesas.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'drivers-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "These are updates for drivers that are tied to a particular SoC,
  including the correspondig device tree bindings:

   - A couple of reset controller changes for unisoc, uniphier, renesas
     and zte platforms

   - memory controller driver fixes for omap and tegra

   - Rockchip io domain driver updates

   - Lots of updates for qualcomm platforms, mostly touching their
     firmware and power management drivers

   - Tegra FUSE and firmware driver updateѕ

   - Support for virtio transports in the SCMI firmware framework

   - cleanup of ixp4xx drivers, towards enabling multiplatform support
     and bringing it up to date with modern platforms

   - Minor updates for keystone, mediatek, omap, renesas"

* tag 'drivers-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (96 commits)
  reset: simple: remove ZTE details in Kconfig help
  soc: rockchip: io-domain: Remove unneeded semicolon
  soc: rockchip: io-domain: add rk3568 support
  dt-bindings: power: add rk3568-pmu-io-domain support
  bus: ixp4xx: return on error in ixp4xx_exp_probe()
  soc: renesas: Prefer memcpy() over strcpy()
  firmware: tegra: Stop using seq_get_buf()
  soc/tegra: fuse: Enable fuse clock on suspend for Tegra124
  soc/tegra: fuse: Add runtime PM support
  soc/tegra: fuse: Clear fuse->clk on driver probe failure
  soc/tegra: pmc: Prevent racing with cpuilde driver
  soc/tegra: bpmp: Remove unused including <linux/version.h>
  dt-bindings: soc: ti: pruss: Add dma-coherent property
  soc: ti: Remove pm_runtime_irq_safe() usage for smartreflex
  soc: ti: pruss: Enable support for ICSSG subsystems on K3 AM64x SoCs
  dt-bindings: soc: ti: pruss: Update bindings for K3 AM64x SoCs
  firmware: arm_scmi: Use WARN_ON() to check configured transports
  firmware: arm_scmi: Fix boolconv.cocci warnings
  soc: mediatek: mmsys: Fix missing UFOE component in mt8173 table routing
  soc: mediatek: mmsys: add MT8365 support
  ...
2021-09-01 15:25:28 -07:00
Linus Torvalds
634135a07b ARM: SoC updates for 5.15
There are three noteworthy updates for 32-bit arm platforms this time:
 
  - The Microchip SAMA7 family based on Cortex-A7 gets introduced, a new
    cousin to the older SAM9 (ARM9xx based) and SAMA5 (Cortex-A5 based)
    SoCs.
 
  - The ixp4xx platform (based on Intel XScale) is finally converted to
    device tree, and all the old board files are getting removed now.
 
  - The Cirrus Logic EP93xx platform loses support for the old
    MaverickCrunch FPU. Support for compiling user space applications
    was already removed in gcc-4.9, and the kernel support for old
    applications could not be built with clang ias. After confirming
    that there are no remaining users, removing this from the kernel
    seemed better than adding support for unused features to clang.
 
 There are minor updates to the aspeed, omap and samsung platforms
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'soc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "There are three noteworthy updates for 32-bit arm platforms this time:

   - The Microchip SAMA7 family based on Cortex-A7 gets introduced, a
     new cousin to the older SAM9 (ARM9xx based) and SAMA5 (Cortex-A5
     based) SoCs.

   - The ixp4xx platform (based on Intel XScale) is finally converted to
     device tree, and all the old board files are getting removed now.

   - The Cirrus Logic EP93xx platform loses support for the old
     MaverickCrunch FPU. Support for compiling user space applications
     was already removed in gcc-4.9, and the kernel support for old
     applications could not be built with clang ias. After confirming
     that there are no remaining users, removing this from the kernel
     seemed better than adding support for unused features to clang.

  There are minor updates to the aspeed, omap and samsung platforms"

* tag 'soc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits)
  soc: aspeed-lpc-ctrl: Fix clock cleanup in error path
  ARM: s3c: delete unneed local variable "delay"
  soc: aspeed: Re-enable FWH2AHB on AST2600
  soc: aspeed: socinfo: Add AST2625 variant
  soc: aspeed: p2a-ctrl: Fix boundary check for mmap
  soc: aspeed: lpc-ctrl: Fix boundary check for mmap
  ARM: ixp4xx: Delete the Freecom FSG-3 boardfiles
  ARM: ixp4xx: Delete GTWX5715 board files
  ARM: ixp4xx: Delete Coyote and IXDPG425 boardfiles
  ARM: ixp4xx: Delete Intel reference design boardfiles
  ARM: ixp4xx: Delete Avila boardfiles
  ARM: ixp4xx: Delete the Arcom Vulcan boardfiles
  ARM: ixp4xx: Delete Gateway WG302v2 boardfiles
  ARM: ixp4xx: Delete Omicron boardfiles
  ARM: ixp4xx: Delete the D-Link DSM-G600 boardfiles
  ARM: ixp4xx: Delete NAS100D boardfiles
  ARM: ixp4xx: Delete NSLU2 boardfiles
  arm: omap2: Drop the unused OMAP_PACKAGE_* KConfig entries
  arm: omap2: Drop obsolete MACH_OMAP3_PANDORA entry
  ARM: ep93xx: remove MaverickCrunch support
  ...
2021-09-01 15:19:43 -07:00
Linus Torvalds
4cdc4cc2ad asm-generic changes for 5.15
The main content for 5.15 is a series that cleans up the handling of
 strncpy_from_user() and strnlen_user(), removing a lot of slightly
 incorrect versions of these in favor of the lib/strn*.c helpers
 that implement these correctly and more efficiently.
 
 The only architectures that retain a private version now are
 mips, ia64, um and parisc. I had offered to convert those at all,
 but Thomas Bogendoerfer wanted to keep the mips version for the
 moment until he had a chance to do regression testing.
 
 The branch also contains two patches for bitops and for ffs().
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic updates from Arnd Bergmann:
 "The main content for 5.15 is a series that cleans up the handling of
  strncpy_from_user() and strnlen_user(), removing a lot of slightly
  incorrect versions of these in favor of the lib/strn*.c helpers that
  implement these correctly and more efficiently.

  The only architectures that retain a private version now are mips,
  ia64, um and parisc. I had offered to convert those at all, but Thomas
  Bogendoerfer wanted to keep the mips version for the moment until he
  had a chance to do regression testing.

  The branch also contains two patches for bitops and for ffs()"

* tag 'asm-generic-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  bitops/non-atomic: make @nr unsigned to avoid any DIV
  asm-generic: ffs: Drop bogus reference to ffz location
  asm-generic: reverse GENERIC_{STRNCPY_FROM,STRNLEN}_USER symbols
  asm-generic: remove extra strn{cpy_from,len}_user declarations
  asm-generic: uaccess: remove inline strncpy_from_user/strnlen_user
  s390: use generic strncpy/strnlen from_user
  microblaze: use generic strncpy/strnlen from_user
  csky: use generic strncpy/strnlen from_user
  arc: use generic strncpy/strnlen from_user
  hexagon: use generic strncpy/strnlen from_user
  h8300: remove stale strncpy_from_user
  asm-generic/uaccess.h: remove __strncpy_from_user/__strnlen_user
2021-09-01 15:13:02 -07:00
Linus Torvalds
57c78a234e arm64 updates for 5.15:
- Support for 32-bit tasks on asymmetric AArch32 systems (on top of the
   scheduler changes merged via the tip tree).
 
 - More entry.S clean-ups and conversion to C.
 
 - MTE updates: allow a preferred tag checking mode to be set per CPU
   (the overhead of synchronous mode is smaller for some CPUs than
   others); optimisations for kernel entry/exit path; optionally disable
   MTE on the kernel command line.
 
 - Kselftest improvements for SVE and signal handling, PtrAuth.
 
 - Fix unlikely race where a TLBI could use stale ASID on an ASID
   roll-over (found by inspection).
 
 - Miscellaneous fixes: disable trapping of PMSNEVFR_EL1 to higher
   exception levels; drop unnecessary sigdelsetmask() call in the
   signal32 handling; remove BUG_ON when failing to allocate SVE state
   (just signal the process); SYM_CODE annotations.
 
 - Other trivial clean-ups: use macros instead of magic numbers, remove
   redundant returns, typos.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:

 - Support for 32-bit tasks on asymmetric AArch32 systems (on top of the
   scheduler changes merged via the tip tree).

 - More entry.S clean-ups and conversion to C.

 - MTE updates: allow a preferred tag checking mode to be set per CPU
   (the overhead of synchronous mode is smaller for some CPUs than
   others); optimisations for kernel entry/exit path; optionally disable
   MTE on the kernel command line.

 - Kselftest improvements for SVE and signal handling, PtrAuth.

 - Fix unlikely race where a TLBI could use stale ASID on an ASID
   roll-over (found by inspection).

 - Miscellaneous fixes: disable trapping of PMSNEVFR_EL1 to higher
   exception levels; drop unnecessary sigdelsetmask() call in the
   signal32 handling; remove BUG_ON when failing to allocate SVE state
   (just signal the process); SYM_CODE annotations.

 - Other trivial clean-ups: use macros instead of magic numbers, remove
   redundant returns, typos.

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (56 commits)
  arm64: Do not trap PMSNEVFR_EL1
  arm64: mm: fix comment typo of pud_offset_phys()
  arm64: signal32: Drop pointless call to sigdelsetmask()
  arm64/sve: Better handle failure to allocate SVE register storage
  arm64: Document the requirement for SCR_EL3.HCE
  arm64: head: avoid over-mapping in map_memory
  arm64/sve: Add a comment documenting the binutils needed for SVE asm
  arm64/sve: Add some comments for sve_save/load_state()
  kselftest/arm64: signal: Add a TODO list for signal handling tests
  kselftest/arm64: signal: Add test case for SVE register state in signals
  kselftest/arm64: signal: Verify that signals can't change the SVE vector length
  kselftest/arm64: signal: Check SVE signal frame shows expected vector length
  kselftest/arm64: signal: Support signal frames with SVE register data
  kselftest/arm64: signal: Add SVE to the set of features we can check for
  arm64: replace in_irq() with in_hardirq()
  kselftest/arm64: pac: Fix skipping of tests on systems without PAC
  Documentation: arm64: describe asymmetric 32-bit support
  arm64: Remove logic to kill 32-bit tasks on 64-bit-only cores
  arm64: Hook up cmdline parameter to allow mismatched 32-bit EL0
  arm64: Advertise CPUs capable of running 32-bit applications in sysfs
  ...
2021-09-01 15:04:29 -07:00
Linus Torvalds
bcfeebbff3 Merge branch 'exit-cleanups-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull exit cleanups from Eric Biederman:
 "In preparation of doing something about PTRACE_EVENT_EXIT I have
  started cleaning up various pieces of code related to do_exit. Most of
  that code I did not manage to get tested and reviewed before the merge
  window opened but a handful of very useful cleanups are ready to be
  merged.

  The first change is simply the removal of the bdflush system call. The
  code has now been disabled long enough that even the oldest userspace
  working userspace setups anyone can find to test are fine with the
  bdflush system call being removed.

  Changing m68k fsp040_die to use force_sigsegv(SIGSEGV) instead of
  calling do_exit directly is interesting only in that it is nearly the
  most difficult of the incorrect uses of do_exit to remove.

  The change to the seccomp code to simply send a signal instead of
  calling do_coredump directly is a very nice little cleanup made
  possible by realizing the existing signal sending helpers were missing
  a little bit of functionality that is easy to provide"

* 'exit-cleanups-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  signal/seccomp: Dump core when there is only one live thread
  signal/seccomp: Refactor seccomp signal and coredump generation
  signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die
  exit/bdflush: Remove the deprecated bdflush system call
2021-09-01 14:52:05 -07:00
Linus Torvalds
48983701a1 Merge branch 'siginfo-si_trapno-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull siginfo si_trapno updates from Eric Biederman:
 "The full set of si_trapno changes was not appropriate as a fix for the
  newly added SIGTRAP TRAP_PERF, and so I postponed the rest of the
  related cleanups.

  This is the rest of the cleanups for si_trapno that reduces it from
  being a really weird arch special case that is expect to be always
  present (but isn't) on the architectures that support it to being yet
  another field in the _sigfault union of struct siginfo.

  The changes have been reviewed and marinated in linux-next. With the
  removal of this awkward special case new code (like SIGTRAP TRAP_PERF)
  that works across architectures should be easier to write and
  maintain"

* 'siginfo-si_trapno-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  signal: Rename SIL_PERF_EVENT SIL_FAULT_PERF_EVENT for consistency
  signal: Verify the alignment and size of siginfo_t
  signal: Remove the generic __ARCH_SI_TRAPNO support
  signal/alpha: si_trapno is only used with SIGFPE and SIGTRAP TRAP_UNK
  signal/sparc: si_trapno is only used with SIGILL ILL_ILLTRP
  arm64: Add compile-time asserts for siginfo_t offsets
  arm: Add compile-time asserts for siginfo_t offsets
  sparc64: Add compile-time asserts for siginfo_t offsets
2021-09-01 14:42:36 -07:00
Helge Deller
6f1fce595b parisc: math-emu: Fix fall-through warnings
Fix lots of fallthrough warnings, e.g.:
arch/parisc/math-emu/fpudispatch.c:323:33: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Helge Deller <deller@gmx.de>
2021-09-01 22:18:18 +02:00
Mikulas Patocka
030f653078 parisc: fix crash with signals and alloca
I was debugging some crashes on parisc and I found out that there is a
crash possibility if a function using alloca is interrupted by a signal.
The reason for the crash is that the gcc alloca implementation leaves
garbage in the upper 32 bits of the sp register. This normally doesn't
matter (the upper bits are ignored because the PSW W-bit is clear),
however the signal delivery routine in the kernel uses full 64 bits of sp
and it fails with -EFAULT if the upper 32 bits are not zero.

I created this program that demonstrates the problem:

#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <alloca.h>

static __attribute__((noinline,noclone)) void aa(int *size)
{
	void * volatile p = alloca(-*size);
	while (1) ;
}

static void handler(int sig)
{
	write(1, "signal delivered\n", 17);
	_exit(0);
}

int main(void)
{
	int size = -0x100;
	signal(SIGALRM, handler);
	alarm(1);
	aa(&size);
}

If you compile it with optimizations, it will crash.
The "aa" function has this disassembly:

000106a0 <aa>:
   106a0:       08 03 02 41     copy r3,r1
   106a4:       08 1e 02 43     copy sp,r3
   106a8:       6f c1 00 80     stw,ma r1,40(sp)
   106ac:       37 dc 3f c1     ldo -20(sp),ret0
   106b0:       0c 7c 12 90     stw ret0,8(r3)
   106b4:       0f 40 10 9c     ldw 0(r26),ret0		; ret0 = 0x00000000FFFFFF00
   106b8:       97 9c 00 7e     subi 3f,ret0,ret0	; ret0 = 0xFFFFFFFF0000013F
   106bc:       d7 80 1c 1a     depwi 0,31,6,ret0	; ret0 = 0xFFFFFFFF00000100
   106c0:       0b 9e 0a 1e     add,l sp,ret0,sp	;   sp = 0xFFFFFFFFxxxxxxxx
   106c4:       e8 1f 1f f7     b,l,n 106c4 <aa+0x24>,r0

This patch fixes the bug by truncating the "usp" variable to 32 bits.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Helge Deller <deller@gmx.de>
2021-09-01 21:52:02 +02:00
Masahiro Yamada
5f6e0fe01b parisc: Fix compile failure when building 64-bit kernel natively
Commit 23243c1ace ("arch: use cross_compiling to check whether it is
a cross build or not") broke 64-bit parisc builds on 32-bit parisc
systems.

Helge mentioned:
  - 64-bit parisc userspace is not supported yet [1]
  - hppa gcc does not support "-m64" flag [2]

That means, parisc developers working on a 32-bit parisc machine need
to use hppa64-linux-gnu-gcc (cross compiler) for building the 64-bit
parisc kernel.

After the offending commit, gcc is used in such a case because
both $(SRCARCH) and $(SUBARCH) are 'parisc', hence cross_compiling is
unset.

A correct way is to introduce ARCH=parisc64 because building the 64-bit
parisc kernel on a 32-bit parisc system is not exactly a native build,
but rather a semi-cross build.

[1]: https://lore.kernel.org/linux-parisc/5dfd81eb-c8ca-b7f5-e80e-8632767c022d@gmx.de/#t
[2]: https://lore.kernel.org/linux-parisc/89515325-fc21-31da-d238-6f7a9abbf9a0@gmx.de/

Fixes: 23243c1ace ("arch: use cross_compiling to check whether it is a cross build or not")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reported-by: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
Cc: <stable@vger.kernel.org> # v5.13+
Signed-off-by: Helge Deller <deller@gmx.de>
2021-09-01 21:52:02 +02:00
Linus Torvalds
477f70cd2a drm for v5.15-rc1
core:
 - extract i915 eDP backlight into core
 - DP aux bus support
 - drm_device.irq_enabled removed
 - port drivers to native irq interfaces
 - export gem shadow plane handling for vgem
 - print proper driver name in framebuffer registration
 - driver fixes for implicit fencing rules
 - ARM fixed rate compression modifier added
 - updated fb damage handling
 - rmfb ioctl logging/docs
 - drop drm_gem_object_put_locked
 - define DRM_FORMAT_MAX_PLANES
 - add gem fb vmap/vunmap helpers
 - add lockdep_assert(once) helpers
 - mark drm irq midlayer as legacy
 - use offset adjusted bo mapping conversion
 
 vgaarb:
 - cleanups
 
 fbdev:
 - extend efifb handling to all arches
 - div by 0 fixes for multiple drivers
 
 udmabuf:
 - add hugepage mapping support
 
 dma-buf:
 - non-dynamic exporter fixups
 - document implicit fencing rules
 
 amdgpu:
 - Initial Cyan Skillfish support
 - switch virtual DCE over to vkms based atomic
 - VCN/JPEG power down fixes
 - NAVI PCIE link handling fixes
 - AMD HDMI freesync fixes
 - Yellow Carp + Beige Goby fixes
 - Clockgating/S0ix/SMU/EEPROM fixes
 - embed hw fence in job
 - rework dma-resv handling
 - ensure eviction to system ram
 
 amdkfd:
 - uapi: SVM address range query added
 - sysfs leak fix
 - GPUVM TLB optimizations
 - vmfault/migration counters
 
 i915:
 - Enable JSL and EHL by default
 - preliminary XeHP/DG2 support
 - remove all CNL support (never shipped)
 - move to TTM for discrete memory support
 - allow mixed object mmap handling
 - GEM uAPI spring cleaning
   - add I915_MMAP_OBJECT_FIXED
   - reinstate ADL-P mmap ioctls
   - drop a bunch of unused by userspace features
   - disable and remove GPU relocations
 - revert some i915 misfeatures
 - major refactoring of GuC for Gen11+
 - execbuffer object locking separate step
 - reject caching/set-domain on discrete
 - Enable pipe DMC loading on XE-LPD and ADL-P
 - add PSF GV point support
 - Refactor and fix DDI buffer translations
 - Clean up FBC CFB allocation code
 - Finish INTEL_GEN() and friends macro conversions
 
 nouveau:
 - add eDP backlight support
 - implicit fence fix
 
 msm:
 - a680/7c3 support
 - drm/scheduler conversion
 
 panfrost:
 - rework GPU reset
 
 virtio:
 - fix fencing for planes
 
 ast:
 - add detect support
 
 bochs:
 - move to tiny GPU driver
 
 vc4:
 - use hotplug irqs
 - HDMI codec support
 
 vmwgfx:
 - use internal vmware device headers
 
 ingenic:
 - demidlayering irq
 
 rcar-du:
 - shutdown fixes
 - convert to bridge connector helpers
 
 zynqmp-dsub:
 - misc fixes
 
 mgag200:
 - convert PLL handling to atomic
 
 mediatek:
 - MT8133 AAL support
 - gem mmap object support
 - MT8167 support
 
 etnaviv:
 - NXP Layerscape LS1028A SoC support
 - GEM mmap cleanups
 
 tegra:
 - new user API
 
 exynos:
 - missing unlock fix
 - build warning fix
 - use refcount_t
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Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Highlights:

   - i915 has seen a lot of refactoring and uAPI cleanups due to a
     change in the upstream direction going forward

     This has all been audited with known userspace, but there may be
     some pitfalls that were missed.

   - i915 now uses common TTM to enable discrete memory on DG1/2 GPUs

   - i915 enables Jasper and Elkhart Lake by default and has preliminary
     XeHP/DG2 support

   - amdgpu adds support for Cyan Skillfish

   - lots of implicit fencing rules documented and fixed up in drivers

   - msm now uses the core scheduler

   - the irq midlayer has been removed for non-legacy drivers

   - the sysfb code now works on more than x86.

  Otherwise the usual smattering of stuff everywhere, panels, bridges,
  refactorings.

  Detailed summary:

  core:
   - extract i915 eDP backlight into core
   - DP aux bus support
   - drm_device.irq_enabled removed
   - port drivers to native irq interfaces
   - export gem shadow plane handling for vgem
   - print proper driver name in framebuffer registration
   - driver fixes for implicit fencing rules
   - ARM fixed rate compression modifier added
   - updated fb damage handling
   - rmfb ioctl logging/docs
   - drop drm_gem_object_put_locked
   - define DRM_FORMAT_MAX_PLANES
   - add gem fb vmap/vunmap helpers
   - add lockdep_assert(once) helpers
   - mark drm irq midlayer as legacy
   - use offset adjusted bo mapping conversion

  vgaarb:
   - cleanups

  fbdev:
   - extend efifb handling to all arches
   - div by 0 fixes for multiple drivers

  udmabuf:
   - add hugepage mapping support

  dma-buf:
   - non-dynamic exporter fixups
   - document implicit fencing rules

  amdgpu:
   - Initial Cyan Skillfish support
   - switch virtual DCE over to vkms based atomic
   - VCN/JPEG power down fixes
   - NAVI PCIE link handling fixes
   - AMD HDMI freesync fixes
   - Yellow Carp + Beige Goby fixes
   - Clockgating/S0ix/SMU/EEPROM fixes
   - embed hw fence in job
   - rework dma-resv handling
   - ensure eviction to system ram

  amdkfd:
   - uapi: SVM address range query added
   - sysfs leak fix
   - GPUVM TLB optimizations
   - vmfault/migration counters

  i915:
   - Enable JSL and EHL by default
   - preliminary XeHP/DG2 support
   - remove all CNL support (never shipped)
   - move to TTM for discrete memory support
   - allow mixed object mmap handling
   - GEM uAPI spring cleaning
       - add I915_MMAP_OBJECT_FIXED
       - reinstate ADL-P mmap ioctls
       - drop a bunch of unused by userspace features
       - disable and remove GPU relocations
   - revert some i915 misfeatures
   - major refactoring of GuC for Gen11+
   - execbuffer object locking separate step
   - reject caching/set-domain on discrete
   - Enable pipe DMC loading on XE-LPD and ADL-P
   - add PSF GV point support
   - Refactor and fix DDI buffer translations
   - Clean up FBC CFB allocation code
   - Finish INTEL_GEN() and friends macro conversions

  nouveau:
   - add eDP backlight support
   - implicit fence fix

  msm:
   - a680/7c3 support
   - drm/scheduler conversion

  panfrost:
   - rework GPU reset

  virtio:
   - fix fencing for planes

  ast:
   - add detect support

  bochs:
   - move to tiny GPU driver

  vc4:
   - use hotplug irqs
   - HDMI codec support

  vmwgfx:
   - use internal vmware device headers

  ingenic:
   - demidlayering irq

  rcar-du:
   - shutdown fixes
   - convert to bridge connector helpers

  zynqmp-dsub:
   - misc fixes

  mgag200:
   - convert PLL handling to atomic

  mediatek:
   - MT8133 AAL support
   - gem mmap object support
   - MT8167 support

  etnaviv:
   - NXP Layerscape LS1028A SoC support
   - GEM mmap cleanups

  tegra:
   - new user API

  exynos:
   - missing unlock fix
   - build warning fix
   - use refcount_t"

* tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm: (1318 commits)
  drm/amd/display: Move AllowDRAMSelfRefreshOrDRAMClockChangeInVblank to bounding box
  drm/amd/display: Remove duplicate dml init
  drm/amd/display: Update bounding box states (v2)
  drm/amd/display: Update number of DCN3 clock states
  drm/amdgpu: disable GFX CGCG in aldebaran
  drm/amdgpu: Clear RAS interrupt status on aldebaran
  drm/amdgpu: Add support for RAS XGMI err query
  drm/amdkfd: Account for SH/SE count when setting up cu masks.
  drm/amdgpu: rename amdgpu_bo_get_preferred_pin_domain
  drm/amdgpu: drop redundant cancel_delayed_work_sync call
  drm/amdgpu: add missing cleanups for more ASICs on UVD/VCE suspend
  drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend
  drm/amdkfd: map SVM range with correct access permission
  drm/amdkfd: check access permisson to restore retry fault
  drm/amdgpu: Update RAS XGMI Error Query
  drm/amdgpu: Add driver infrastructure for MCA RAS
  drm/amd/display: Add Logging for HDMI color depth information
  drm/amd/amdgpu: consolidate PSP TA init shared buf functions
  drm/amd/amdgpu: add name field back to ras_common_if
  drm/amdgpu: Fix build with missing pm_suspend_target_state module export
  ...
2021-09-01 11:26:46 -07:00
Nathan Chancellor
ea7b4244b3 x86/setup: Explicitly include acpi.h
After commit 342f43af70 ("iscsi_ibft: fix crash due to KASLR physical
memory remapping") x86_64_defconfig shows the following errors:

  arch/x86/kernel/setup.c: In function ‘setup_arch’:
  arch/x86/kernel/setup.c:916:13: error: implicit declaration of function ‘acpi_mps_check’ [-Werror=implicit-function-declaration]
    916 |         if (acpi_mps_check()) {
        |             ^~~~~~~~~~~~~~
  arch/x86/kernel/setup.c:1110:9: error: implicit declaration of function ‘acpi_table_upgrade’ [-Werror=implicit-function-declaration]
   1110 |         acpi_table_upgrade();
        |         ^~~~~~~~~~~~~~~~~~
  [... more acpi noise ...]

acpi.h was being implicitly included from iscsi_ibft.h in this
configuration so the removal of that header means these functions have
no definition or declaration.

In most other configurations, <linux/acpi.h> continued to be included
through at least <linux/tboot.h> if CONFIG_INTEL_TXT was enabled, and
there were probably other implicit include paths too.

Add acpi.h explicitly so there is no more error, and so that we don't
continue to depend on these unreliable implicit include paths.

Tested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Cc: Maurizio Lombardi <mlombard@redhat.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Konrad Rzeszutek Wilk <konrad@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-01 10:17:05 -07:00
Linus Torvalds
07281a257a USB/Thunderbolt patches for 5.15-rc1
Here is the big set of USB and Thunderbolt patches for 5.15-rc1.
 
 Nothing huge in here, just lots of constant forward progress on a number
 of different drivers and hardware support:
 	- more USB 4/Thunderbolt support added
 	- dwc3 driver updates and additions
 	- usb gadget fixes and addtions for new types
 	- udc gadget driver updates
 	- host controller updates
 	- removal of obsolete drivers
 	- other minor driver updates
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt patches for 5.15-rc1.

  Nothing huge in here, just lots of constant forward progress on a
  number of different drivers and hardware support:

   - more USB 4/Thunderbolt support added

   - dwc3 driver updates and additions

   - usb gadget fixes and addtions for new types

   - udc gadget driver updates

   - host controller updates

   - removal of obsolete drivers

   - other minor driver updates

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (148 commits)
  usb: isp1760: otg control register access
  usb: isp1760: use the right irq status bit
  usb: isp1760: write to status and address register
  usb: isp1760: fix qtd fill length
  usb: isp1760: fix memory pool initialization
  usb: typec: tcpm: Fix spelling mistake "atleast" -> "at least"
  usb: dwc2: Fix spelling mistake "was't" -> "wasn't"
  usb: renesas_usbhs: Fix spelling mistake "faile" -> "failed"
  usb: host: xhci-rcar: Don't reload firmware after the completion
  usb: xhci-mtk: allow bandwidth table rollover
  usb: mtu3: fix random remote wakeup
  usb: mtu3: return successful suspend status
  usb: xhci-mtk: Do not use xhci's virt_dev in drop_endpoint
  usb: xhci-mtk: modify the SOF/ITP interval for mt8195
  usb: xhci-mtk: add a member of num_esit
  usb: xhci-mtk: check boundary before check tt
  usb: xhci-mtk: update fs bus bandwidth by bw_budget_table
  usb: xhci-mtk: fix issue of out-of-bounds array access
  usb: xhci-mtk: support option to disable usb2 ports
  usb: xhci-mtk: fix use-after-free of mtk->hcd
  ...
2021-09-01 09:59:34 -07:00
Linus Torvalds
7c314bdfb6 TTY / Serial patches for 5.15-rc1
Here is the "big" set of tty/serial driver patches for 5.15-rc1
 
 Nothing major in here at all, just some driver updates and more cleanups
 on old tty apis and code that needed it that includes:
 	- tty.h cleanup of things that didn't belong in it
 	- other tty cleanups by Jiri
 	- driver cleanups
 	- rs485 support added to amba-pl011 driver
 	- dts updates
 	- stm32 serial driver updates
 	- other minor fixes and driver updates
 
 All have been in linux-next for a while with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial updates from Greg KH:
 "Here is the "big" set of tty/serial driver patches for 5.15-rc1

  Nothing major in here at all, just some driver updates and more
  cleanups on old tty apis and code that needed it that includes:

   - tty.h cleanup of things that didn't belong in it

   - other tty cleanups by Jiri

   - driver cleanups

   - rs485 support added to amba-pl011 driver

   - dts updates

   - stm32 serial driver updates

   - other minor fixes and driver updates

  All have been in linux-next for a while with no reported problems"

* tag 'tty-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (83 commits)
  tty: serial: uartlite: Use read_poll_timeout for a polling loop
  tty: serial: uartlite: Use constants in early_uartlite_putc
  tty: Fix data race between tiocsti() and flush_to_ldisc()
  serial: vt8500: Use of_device_get_match_data
  serial: tegra: Use of_device_get_match_data
  serial: 8250_ingenic: Use of_device_get_match_data
  tty: serial: linflexuart: Remove redundant check to simplify the code
  tty: serial: fsl_lpuart: do software reset for imx7ulp and imx8qxp
  tty: serial: fsl_lpuart: enable two stop bits for lpuart32
  tty: serial: fsl_lpuart: fix the wrong mapbase value
  mxser: use semi-colons instead of commas
  tty: moxa: use semi-colons instead of commas
  tty: serial: fsl_lpuart: check dma_tx_in_progress in tx dma callback
  tty: replace in_irq() with in_hardirq()
  serial: sh-sci: fix break handling for sysrq
  serial: stm32: use devm_platform_get_and_ioremap_resource()
  serial: stm32: use the defined variable to simplify code
  Revert "arm pl011 serial: support multi-irq request"
  tty: serial: samsung: Add Exynos850 SoC data
  tty: serial: samsung: Fix driver data macros style
  ...
2021-09-01 09:51:16 -07:00
Linus Torvalds
c6c3c5704b Driver core update for 5.15-rc1
Here is the big set of driver core patches for 5.15-rc1.
 
 These do change a number of different things across different
 subsystems, and because of that, there were 2 stable tags created that
 might have already come into your tree from different pulls that did the
 following
 	- changed the bus remove callback to return void
 	- sysfs iomem_get_mapping rework
 
 The latter one will cause a tiny merge issue with your tree, as there
 was a last-minute fix for this in 5.14 in your tree, but the fixup
 should be "obvious".  If you want me to provide a fixed merge for this,
 please let me know.
 
 Other than those two things, there's only a few small things in here:
 	- kernfs performance improvements for huge numbers of sysfs
 	  users at once
 	- tiny api cleanups
 	- other minor changes
 
 All of these have been in linux-next for a while with no reported
 problems, other than the before-mentioned merge issue.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the big set of driver core patches for 5.15-rc1.

  These do change a number of different things across different
  subsystems, and because of that, there were 2 stable tags created that
  might have already come into your tree from different pulls that did
  the following

   - changed the bus remove callback to return void

   - sysfs iomem_get_mapping rework

  Other than those two things, there's only a few small things in here:

   - kernfs performance improvements for huge numbers of sysfs users at
     once

   - tiny api cleanups

   - other minor changes

  All of these have been in linux-next for a while with no reported
  problems, other than the before-mentioned merge issue"

* tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (33 commits)
  MAINTAINERS: Add dri-devel for component.[hc]
  driver core: platform: Remove platform_device_add_properties()
  ARM: tegra: paz00: Handle device properties with software node API
  bitmap: extend comment to bitmap_print_bitmask/list_to_buf
  drivers/base/node.c: use bin_attribute to break the size limitation of cpumap ABI
  topology: use bin_attribute to break the size limitation of cpumap ABI
  lib: test_bitmap: add bitmap_print_bitmask/list_to_buf test cases
  cpumask: introduce cpumap_print_list/bitmask_to_buf to support large bitmask and list
  sysfs: Rename struct bin_attribute member to f_mapping
  sysfs: Invoke iomem_get_mapping() from the sysfs open callback
  debugfs: Return error during {full/open}_proxy_open() on rmmod
  zorro: Drop useless (and hardly used) .driver member in struct zorro_dev
  zorro: Simplify remove callback
  sh: superhyway: Simplify check in remove callback
  nubus: Simplify check in remove callback
  nubus: Make struct nubus_driver::remove return void
  kernfs: dont call d_splice_alias() under kernfs node lock
  kernfs: use i_lock to protect concurrent inode updates
  kernfs: switch kernfs to use an rwsem
  kernfs: use VFS negative dentry caching
  ...
2021-09-01 08:44:42 -07:00
Linus Torvalds
ba1dc7f273 Char / Misc driver changes for 5.15-rc1
Here is the big set of char/misc driver changes for 5.15-rc1.
 
 Lots of different driver subsystems are being updated in here, notably:
 	- mhi subsystem update
 	- fpga subsystem update
 	- coresight/hwtracing subsystem update
 	- interconnect subsystem update
 	- nvmem subsystem update
 	- parport drivers update
 	- phy subsystem update
 	- soundwire subsystem update
 and there are some other char/misc drivers being updated as well:
 	- binder driver additions
 	- new misc drivers
 	- lkdtm driver updates
 	- mei driver updates
 	- sram driver updates
 	- other minor driver updates.
 
 Note, there are no habanna labs driver updates in this pull request,
 that will probably come later before -rc1 is out in a different request.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver updates from Greg KH:
 "Here is the big set of char/misc driver changes for 5.15-rc1.

  Lots of different driver subsystems are being updated in here,
  notably:

   - mhi subsystem update

   - fpga subsystem update

   - coresight/hwtracing subsystem update

   - interconnect subsystem update

   - nvmem subsystem update

   - parport drivers update

   - phy subsystem update

   - soundwire subsystem update

  and there are some other char/misc drivers being updated as well:

   - binder driver additions

   - new misc drivers

   - lkdtm driver updates

   - mei driver updates

   - sram driver updates

   - other minor driver updates.

  Note, there are no habanalabs driver updates in this pull request,
  that will probably come later before -rc1 is out in a different
  request.

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (169 commits)
  Revert "bus: mhi: Add inbound buffers allocation flag"
  misc/pvpanic: fix set driver data
  VMCI: fix NULL pointer dereference when unmapping queue pair
  char: mware: fix returnvar.cocci warnings
  parport: remove non-zero check on count
  soundwire: cadence: do not extend reset delay
  soundwire: intel: conditionally exit clock stop mode on system suspend
  soundwire: intel: skip suspend/resume/wake when link was not started
  soundwire: intel: fix potential race condition during power down
  phy: qcom-qmp: Add support for SM6115 UFS phy
  dt-bindings: phy: qcom,qmp: Add SM6115 UFS PHY bindings
  phy: qmp: Provide unique clock names for DP clocks
  lkdtm: remove IDE_CORE_CP crashpoint
  lkdtm: replace SCSI_DISPATCH_CMD with SCSI_QUEUE_RQ
  coresight: Replace deprecated CPU-hotplug functions.
  Documentation: coresight: Add documentation for CoreSight config
  coresight: syscfg: Add initial configfs support
  coresight: config: Add preloaded configurations
  coresight: etm4x: Add complex configuration handlers to etmv4
  coresight: etm-perf: Update to activate selected configuration
  ...
2021-09-01 08:35:06 -07:00
Juergen Gross
58e636039b xen: remove stray preempt_disable() from PV AP startup code
In cpu_bringup() there is a call of preempt_disable() without a paired
preempt_enable(). This is not needed as interrupts are off initially.
Additionally this will result in early boot messages like:

BUG: scheduling while atomic: swapper/1/0/0x00000002

Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20210825113158.11716-1-jgross@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
2021-09-01 10:39:27 +02:00
Linus Torvalds
9e9fb7655e Core:
- Enable memcg accounting for various networking objects.
 
 BPF:
 
  - Introduce bpf timers.
 
  - Add perf link and opaque bpf_cookie which the program can read
    out again, to be used in libbpf-based USDT library.
 
  - Add bpf_task_pt_regs() helper to access user space pt_regs
    in kprobes, to help user space stack unwinding.
 
  - Add support for UNIX sockets for BPF sockmap.
 
  - Extend BPF iterator support for UNIX domain sockets.
 
  - Allow BPF TCP congestion control progs and bpf iterators to call
    bpf_setsockopt(), e.g. to switch to another congestion control
    algorithm.
 
 Protocols:
 
  - Support IOAM Pre-allocated Trace with IPv6.
 
  - Support Management Component Transport Protocol.
 
  - bridge: multicast: add vlan support.
 
  - netfilter: add hooks for the SRv6 lightweight tunnel driver.
 
  - tcp:
     - enable mid-stream window clamping (by user space or BPF)
     - allow data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD
     - more accurate DSACK processing for RACK-TLP
 
  - mptcp:
     - add full mesh path manager option
     - add partial support for MP_FAIL
     - improve use of backup subflows
     - optimize option processing
 
  - af_unix: add OOB notification support.
 
  - ipv6: add IFLA_INET6_RA_MTU to expose MTU value advertised by
          the router.
 
  - mac80211: Target Wake Time support in AP mode.
 
  - can: j1939: extend UAPI to notify about RX status.
 
 Driver APIs:
 
  - Add page frag support in page pool API.
 
  - Many improvements to the DSA (distributed switch) APIs.
 
  - ethtool: extend IRQ coalesce uAPI with timer reset modes.
 
  - devlink: control which auxiliary devices are created.
 
  - Support CAN PHYs via the generic PHY subsystem.
 
  - Proper cross-chip support for tag_8021q.
 
  - Allow TX forwarding for the software bridge data path to be
    offloaded to capable devices.
 
 Drivers:
 
  - veth: more flexible channels number configuration.
 
  - openvswitch: introduce per-cpu upcall dispatch.
 
  - Add internet mix (IMIX) mode to pktgen.
 
  - Transparently handle XDP operations in the bonding driver.
 
  - Add LiteETH network driver.
 
  - Renesas (ravb):
    - support Gigabit Ethernet IP
 
  - NXP Ethernet switch (sja1105)
    - fast aging support
    - support for "H" switch topologies
    - traffic termination for ports under VLAN-aware bridge
 
  - Intel 1G Ethernet
     - support getcrosststamp() with PCIe PTM (Precision Time
       Measurement) for better time sync
     - support Credit-Based Shaper (CBS) offload, enabling HW traffic
       prioritization and bandwidth reservation
 
  - Broadcom Ethernet (bnxt)
     - support pulse-per-second output
     - support larger Rx rings
 
  - Mellanox Ethernet (mlx5)
     - support ethtool RSS contexts and MQPRIO channel mode
     - support LAG offload with bridging
     - support devlink rate limit API
     - support packet sampling on tunnels
 
  - Huawei Ethernet (hns3):
     - basic devlink support
     - add extended IRQ coalescing support
     - report extended link state
 
  - Netronome Ethernet (nfp):
     - add conntrack offload support
 
  - Broadcom WiFi (brcmfmac):
     - add WPA3 Personal with FT to supported cipher suites
     - support 43752 SDIO device
 
  - Intel WiFi (iwlwifi):
     - support scanning hidden 6GHz networks
     - support for a new hardware family (Bz)
 
  - Xen pv driver:
     - harden netfront against malicious backends
 
  - Qualcomm mobile
     - ipa: refactor power management and enable automatic suspend
     - mhi: move MBIM to WWAN subsystem interfaces
 
 Refactor:
 
  - Ambient BPF run context and cgroup storage cleanup.
 
  - Compat rework for ndo_ioctl.
 
 Old code removal:
 
  - prism54 remove the obsoleted driver, deprecated by the p54 driver.
 
  - wan: remove sbni/granch driver.
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core:

   - Enable memcg accounting for various networking objects.

  BPF:

   - Introduce bpf timers.

   - Add perf link and opaque bpf_cookie which the program can read out
     again, to be used in libbpf-based USDT library.

   - Add bpf_task_pt_regs() helper to access user space pt_regs in
     kprobes, to help user space stack unwinding.

   - Add support for UNIX sockets for BPF sockmap.

   - Extend BPF iterator support for UNIX domain sockets.

   - Allow BPF TCP congestion control progs and bpf iterators to call
     bpf_setsockopt(), e.g. to switch to another congestion control
     algorithm.

  Protocols:

   - Support IOAM Pre-allocated Trace with IPv6.

   - Support Management Component Transport Protocol.

   - bridge: multicast: add vlan support.

   - netfilter: add hooks for the SRv6 lightweight tunnel driver.

   - tcp:
       - enable mid-stream window clamping (by user space or BPF)
       - allow data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD
       - more accurate DSACK processing for RACK-TLP

   - mptcp:
       - add full mesh path manager option
       - add partial support for MP_FAIL
       - improve use of backup subflows
       - optimize option processing

   - af_unix: add OOB notification support.

   - ipv6: add IFLA_INET6_RA_MTU to expose MTU value advertised by the
     router.

   - mac80211: Target Wake Time support in AP mode.

   - can: j1939: extend UAPI to notify about RX status.

  Driver APIs:

   - Add page frag support in page pool API.

   - Many improvements to the DSA (distributed switch) APIs.

   - ethtool: extend IRQ coalesce uAPI with timer reset modes.

   - devlink: control which auxiliary devices are created.

   - Support CAN PHYs via the generic PHY subsystem.

   - Proper cross-chip support for tag_8021q.

   - Allow TX forwarding for the software bridge data path to be
     offloaded to capable devices.

  Drivers:

   - veth: more flexible channels number configuration.

   - openvswitch: introduce per-cpu upcall dispatch.

   - Add internet mix (IMIX) mode to pktgen.

   - Transparently handle XDP operations in the bonding driver.

   - Add LiteETH network driver.

   - Renesas (ravb):
       - support Gigabit Ethernet IP

   - NXP Ethernet switch (sja1105):
       - fast aging support
       - support for "H" switch topologies
       - traffic termination for ports under VLAN-aware bridge

   - Intel 1G Ethernet
       - support getcrosststamp() with PCIe PTM (Precision Time
         Measurement) for better time sync
       - support Credit-Based Shaper (CBS) offload, enabling HW traffic
         prioritization and bandwidth reservation

   - Broadcom Ethernet (bnxt)
       - support pulse-per-second output
       - support larger Rx rings

   - Mellanox Ethernet (mlx5)
       - support ethtool RSS contexts and MQPRIO channel mode
       - support LAG offload with bridging
       - support devlink rate limit API
       - support packet sampling on tunnels

   - Huawei Ethernet (hns3):
       - basic devlink support
       - add extended IRQ coalescing support
       - report extended link state

   - Netronome Ethernet (nfp):
       - add conntrack offload support

   - Broadcom WiFi (brcmfmac):
       - add WPA3 Personal with FT to supported cipher suites
       - support 43752 SDIO device

   - Intel WiFi (iwlwifi):
       - support scanning hidden 6GHz networks
       - support for a new hardware family (Bz)

   - Xen pv driver:
       - harden netfront against malicious backends

   - Qualcomm mobile
       - ipa: refactor power management and enable automatic suspend
       - mhi: move MBIM to WWAN subsystem interfaces

  Refactor:

   - Ambient BPF run context and cgroup storage cleanup.

   - Compat rework for ndo_ioctl.

  Old code removal:

   - prism54 remove the obsoleted driver, deprecated by the p54 driver.

   - wan: remove sbni/granch driver"

* tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1715 commits)
  net: Add depends on OF_NET for LiteX's LiteETH
  ipv6: seg6: remove duplicated include
  net: hns3: remove unnecessary spaces
  net: hns3: add some required spaces
  net: hns3: clean up a type mismatch warning
  net: hns3: refine function hns3_set_default_feature()
  ipv6: remove duplicated 'net/lwtunnel.h' include
  net: w5100: check return value after calling platform_get_resource()
  net/mlxbf_gige: Make use of devm_platform_ioremap_resourcexxx()
  net: mdio: mscc-miim: Make use of the helper function devm_platform_ioremap_resource()
  net: mdio-ipq4019: Make use of devm_platform_ioremap_resource()
  fou: remove sparse errors
  ipv4: fix endianness issue in inet_rtm_getroute_build_skb()
  octeontx2-af: Set proper errorcode for IPv4 checksum errors
  octeontx2-af: Fix static code analyzer reported issues
  octeontx2-af: Fix mailbox errors in nix_rss_flowkey_cfg
  octeontx2-af: Fix loop in free and unmap counter
  af_unix: fix potential NULL deref in unix_dgram_connect()
  dpaa2-eth: Replace strlcpy with strscpy
  octeontx2-af: Use NDC TX for transmit packet data
  ...
2021-08-31 16:43:06 -07:00
Linus Torvalds
81b0b29bf7 Merge branch 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull ibft updates from Konrad Rzeszutek Wilk:
 "A fix for iBFT parsing code badly interfacing when KASLR is enabled"

* 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
  iscsi_ibft: fix warning in reserve_ibft_region()
  iscsi_ibft: fix crash due to KASLR physical memory remapping
2021-08-31 15:28:21 -07:00
Linus Torvalds
e7c1bbcf0c hwmon updates for v5.15
New drivers for:
 - Aquacomputer D5 Next
 - SB-RMI power module
 
 Added chip support t oexisting drivers:
 - Support for various Zen2 and Zen3 APUs and for Yellow Carp
   (SMU v13) added to k10temp driver
 - Support for Silicom n5010 PAC added to intel-m10-bmc driver
 - Support for BPD-RS600 added to pmbus/bpa-rs600 driver
 
 Other notable changes:
 - In k10temp, do not display Tdie on Zen CPUs if there is no
   difference between Tdie and Tctl
 - Converted adt7470 and dell-smm drivers to use
   devm_hwmon_device_register_with_info API
 - Support for temperature/pwm tables added to axi-fan-control
   driver
 - Enabled fan control for Dell Precision 7510 in dell-smm driver
 
 Various other minor improvements and fixes in several drivers.
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Merge tag 'hwmon-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers for:

   - Aquacomputer D5 Next

   - SB-RMI power module

  Added chip support to existing drivers:

   - Support for various Zen2 and Zen3 APUs and for Yellow Carp (SMU
     v13) added to k10temp driver

   - Support for Silicom n5010 PAC added to intel-m10-bmc driver

   - Support for BPD-RS600 added to pmbus/bpa-rs600 driver

  Other notable changes:

   - In k10temp, do not display Tdie on Zen CPUs if there is no
     difference between Tdie and Tctl

   - Converted adt7470 and dell-smm drivers to use
     devm_hwmon_device_register_with_info API

   - Support for temperature/pwm tables added to axi-fan-control driver

   - Enabled fan control for Dell Precision 7510 in dell-smm driver

  Various other minor improvements and fixes in several drivers"

* tag 'hwmon-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (41 commits)
  hwmon: add driver for Aquacomputer D5 Next
  hwmon: (adt7470) Convert to devm_hwmon_device_register_with_info API
  hwmon: (adt7470) Convert to use regmap
  hwmon: (adt7470) Fix some style issues
  hwmon: (k10temp) Add support for yellow carp
  hwmon: (k10temp) Rework the temperature offset calculation
  hwmon: (k10temp) Don't show Tdie for all Zen/Zen2/Zen3 CPU/APU
  hwmon: (k10temp) Add additional missing Zen2 and Zen3 APUs
  hwmon: remove amd_energy driver in Makefile
  hwmon: (dell-smm) Rework SMM function debugging
  hwmon: (dell-smm) Mark i8k_get_fan_nominal_speed as __init
  hwmon: (dell-smm) Mark tables as __initconst
  hwmon: (pmbus/bpa-rs600) Add workaround for incorrect Pin max
  hwmon: (pmbus/bpa-rs600) Don't use rated limits as warn limits
  hwmon: (axi-fan-control) Support temperature vs pwm points
  hwmon: (axi-fan-control) Handle irqs in natural order
  hwmon: (axi-fan-control) Make sure the clock is enabled
  hwmon: (pmbus/ibm-cffps) Fix write bits for LED control
  hwmon: (w83781d) Match on device tree compatibles
  dt-bindings: hwmon: Add bindings for Winbond W83781D
  ...
2021-08-31 14:37:41 -07:00
Linus Torvalds
6f1e8b12ee ACPI updates for 5.15-rc1
- Update ACPICA code in the kernel to upstream revision 20210730
    including the following changes:
    * Add support for the AEST table (data compiler) to iASL (Bob
      Moore).
    * Fix an if statement (add parens) (Bob Moore).
    * Drop trailing semicolon from some macros (Bob Moore).
    * Fix compilation of WPBT table with no command-line arguments
      in iASL (Bob Moore).
    * Add method name "_DIS" for use with aslmethod.c (Bob Moore).
    * Add new DBG2 Serial Port Subtypes (Marcin Wojtas).
 
  - Add new PCH FIVR methods to the DPTF code (Srinivas Pandruvada).
 
  - Add support for the new 16550-compatible Serial Port Subtype to
    the SPCR table parsing code (Marcin Wojtas).
 
  - Add DMI quirk for Lenovo Yoga 9 (14INTL5) to the ACPI button
    driver (Ulrich Huber).
 
  - Add LoongArch support for ACPI_PROCESSOR/ACPI_NUMA (Huacai Chen).
 
  - Add memory semantics to acpi_os_map_memory() (Lorenzo Pieralisi).
 
  - Replace deprecated CPU-hotplug functions in the ACPI processor
    driver (Sebastian Andrzej Siewior).
 
  - Optimize I2C-bus handling in the XPower PMIC driver (Hans de Goede).
 
  - Make platform-profile catch profile changes initiated by user space
    and notify user processes of them (Hans de Goede).
 
  - Clean up the ACPI companion binding and unbinding code and update
    debug messaging in the ACPI power resources code (Rafael Wysocki).
 
  - Clean up a couple of code pieces related to configfs (Andy
    Shevchenko).
 
  - Rearrange the FPDT table parsing code to avoid printing warning
    messages for reserved record types (Adrian Huang).
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Merge tag 'acpi-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA kernel code to upstream revision 20210730,
  clean up the ACPI companion binding code, optimize the I2C handling in
  the XPower PMIC driver, add 16550-compatible Serial Port Subtype
  support to the SPCR parsing code, add a few LoongArch support bits,
  add a ne quirk to the button driver, add new PCH FIVR methods to the
  DPTF code, replace deprecated CPU-hotplug functions in the processor
  driver, improve the acpi_os_map_memory() handling on non-x86 and do
  some assorted cleanups.

  Specifics:

   - Update ACPICA code in the kernel to upstream revision 20210730
     including the following changes:
       - Add support for the AEST table (data compiler) to iASL (Bob
         Moore)
       - Fix an if statement (add parens) (Bob Moore)
       - Drop trailing semicolon from some macros (Bob Moore)
       - Fix compilation of WPBT table with no command-line arguments in
         iASL (Bob Moore)
       - Add method name "_DIS" for use with aslmethod.c (Bob Moore)
       - Add new DBG2 Serial Port Subtypes (Marcin Wojtas)

   - Add new PCH FIVR methods to the DPTF code (Srinivas Pandruvada)

   - Add support for the new 16550-compatible Serial Port Subtype to the
     SPCR table parsing code (Marcin Wojtas)

   - Add DMI quirk for Lenovo Yoga 9 (14INTL5) to the ACPI button driver
     (Ulrich Huber)

   - Add LoongArch support for ACPI_PROCESSOR/ACPI_NUMA (Huacai Chen)

   - Add memory semantics to acpi_os_map_memory() (Lorenzo Pieralisi)

   - Replace deprecated CPU-hotplug functions in the ACPI processor
     driver (Sebastian Andrzej Siewior)

   - Optimize I2C-bus handling in the XPower PMIC driver (Hans de Goede)

   - Make platform-profile catch profile changes initiated by user space
     and notify user processes of them (Hans de Goede)

   - Clean up the ACPI companion binding and unbinding code and update
     debug messaging in the ACPI power resources code (Rafael Wysocki)

   - Clean up a couple of code pieces related to configfs (Andy
     Shevchenko)

   - Rearrange the FPDT table parsing code to avoid printing warning
     messages for reserved record types (Adrian Huang)"

* tag 'acpi-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (27 commits)
  ACPI: power: Drop name from struct acpi_power_resource
  ACPI: power: Use acpi_handle_debug() to print debug messages
  ACPI: tables: FPDT: Do not print FW_BUG message if record types are reserved
  ACPI: button: Add DMI quirk for Lenovo Yoga 9 (14INTL5)
  ACPI: Add memory semantics to acpi_os_map_memory()
  ACPI: SPCR: Add support for the new 16550-compatible Serial Port Subtype
  ACPI: platform-profile: call sysfs_notify() from platform_profile_store()
  ACPICA: Update version to 20210730
  ACPICA: Add method name "_DIS" For use with aslmethod.c
  ACPICA: iASL: Fix for WPBT table with no command-line arguments
  ACPICA: Headers: Add new DBG2 Serial Port Subtypes
  ACPICA: Macros should not use a trailing semicolon
  ACPICA: Fix an if statement (add parens)
  ACPICA: iASL: Add support for the AEST table (data compiler)
  ACPI: processor: Replace deprecated CPU-hotplug functions
  ACPI: DPTF: Add new PCH FIVR methods
  ACPI: configfs: Make get_header() to return error pointer
  ACPI: configfs: Use sysfs_emit() in "show" functions
  driver core: Split device_platform_notify()
  software nodes: Split software_node_notify()
  ...
2021-08-31 13:29:22 -07:00