Commit Graph

1071483 Commits

Author SHA1 Message Date
kernel test robot 20aa49541a
riscv: fix boolconv.cocci warnings
arch/riscv/mm/init.c:48:11-16: WARNING: conversion to bool not needed here

 Remove unneeded conversion to bool

Semantic patch information:
 Relational and logical operators evaluate to bool,
 explicit conversion is overly verbose and unneeded.

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

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 19:52:30 -08:00
Palmer Dabbelt 0c34e79e52
RISC-V: Introduce sv48 support without relocatable kernel
This patchset allows to have a single kernel for sv39 and sv48 without
being relocatable.

The idea comes from Arnd Bergmann who suggested to do the same as x86,
that is mapping the kernel to the end of the address space, which allows
the kernel to be linked at the same address for both sv39 and sv48 and
then does not require to be relocated at runtime.

This implements sv48 support at runtime. The kernel will try to boot
with 4-level page table and will fallback to 3-level if the HW does not
support it. Folding the 4th level into a 3-level page table has almost
no cost at runtime.

Note that kasan region had to be moved to the end of the address space
since its location must be known at compile-time and then be valid for
both sv39 and sv48 (and sv57 that is coming).

* riscv-sv48-v3:
  riscv: Explicit comment about user virtual address space size
  riscv: Use pgtable_l4_enabled to output mmu_type in cpuinfo
  riscv: Implement sv48 support
  asm-generic: Prepare for riscv use of pud_alloc_one and pud_free
  riscv: Allow to dynamically define VA_BITS
  riscv: Introduce functions to switch pt_ops
  riscv: Split early kasan mapping to prepare sv48 introduction
  riscv: Move KASAN mapping next to the kernel mapping
  riscv: Get rid of MAXPHYSMEM configs

Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 19:37:44 -08:00
Alexandre Ghiti c774de22c4
riscv: Explicit comment about user virtual address space size
Define precisely the size of the user accessible virtual space size
for sv32/39/48 mmu types and explain why the whole virtual address
space is split into 2 equal chunks between kernel and user space.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 17:54:11 -08:00
Alexandre Ghiti 73c7c8f68e
riscv: Use pgtable_l4_enabled to output mmu_type in cpuinfo
Now that the mmu type is determined at runtime using SATP
characteristic, use the global variable pgtable_l4_enabled to output
mmu type of the processor through /proc/cpuinfo instead of relying on
device tree infos.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 17:54:10 -08:00
Alexandre Ghiti e8a62cc26d
riscv: Implement sv48 support
By adding a new 4th level of page table, give the possibility to 64bit
kernel to address 2^48 bytes of virtual address: in practice, that offers
128TB of virtual address space to userspace and allows up to 64TB of
physical memory.

If the underlying hardware does not support sv48, we will automatically
fallback to a standard 3-level page table by folding the new PUD level into
PGDIR level. In order to detect HW capabilities at runtime, we
use SATP feature that ignores writes with an unsupported mode.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 17:54:09 -08:00
Alexandre Ghiti 60639f74c2
asm-generic: Prepare for riscv use of pud_alloc_one and pud_free
In the following commits, riscv will almost use the generic versions of
pud_alloc_one and pud_free but an additional check is required since those
functions are only relevant when using at least a 4-level page table, which
will be determined at runtime on riscv.

So move the content of those functions into other functions that riscv
can use without duplicating code.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 17:54:08 -08:00
Alexandre Ghiti 3270bfdb9e
riscv: Allow to dynamically define VA_BITS
With 4-level page table folding at runtime, we don't know at compile time
the size of the virtual address space so we must set VA_BITS dynamically
so that sparsemem reserves the right amount of memory for struct pages.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 17:54:07 -08:00
Alexandre Ghiti 840125a97a
riscv: Introduce functions to switch pt_ops
This simply gathers the different pt_ops initialization in functions
where a comment was added to explain why the page table operations must
be changed along the boot process.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 17:54:06 -08:00
Alexandre Ghiti 2efad17e57
riscv: Split early kasan mapping to prepare sv48 introduction
Now that kasan shadow region is next to the kernel, for sv48, this
region won't be aligned on PGDIR_SIZE and then when populating this
region, we'll need to get down to lower levels of the page table. So
instead of reimplementing the page table walk for the early population,
take advantage of the existing functions used for the final population.

Note that kasan swapper initialization must also be split since memblock
is not initialized at this point and as the last PGD is shared with the
kernel, we'd need to allocate a PUD so postpone the kasan final
population after the kernel population is done.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 17:54:05 -08:00
Alexandre Ghiti f7ae02333d
riscv: Move KASAN mapping next to the kernel mapping
Now that KASAN_SHADOW_OFFSET is defined at compile time as a config,
this value must remain constant whatever the size of the virtual address
space, which is only possible by pushing this region at the end of the
address space next to the kernel mapping.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 17:54:04 -08:00
Alexandre Ghiti db1503d355
riscv: Get rid of MAXPHYSMEM configs
CONFIG_MAXPHYSMEM_* are actually never used, even the nommu defconfigs
selecting the MAXPHYSMEM_2GB had no effects on PAGE_OFFSET since it was
preempted by !MMU case right before.

In addition, the move of the kernel mapping at the end of the address
space broke the use of MAXPHYSMEM_2G with MMU since it defines PAGE_OFFSET
at the same address as the kernel mapping.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: 2bfc6cd81b ("riscv: Move kernel mapping outside of linear mapping")
Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Conor Dooley <Conor.Dooley@microchip.com>
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 15:12:32 -08:00
Jisheng Zhang fc839c6d33
riscv: bpf: Fix eBPF's exception tables
eBPF's exception tables needs to be modified to relative synchronously.

Suggested-by: Tong Tiangen <tongtiangen@huawei.com>
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Fixes: 1f77ed9422 ("riscv: switch to relative extable and other improvements")
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 10:50:02 -08:00
Jisheng Zhang 805a3ebed5
riscv: mm: init: try best to remove #ifdef CONFIG_XIP_KERNEL usage
Currently, the #ifdef CONFIG_XIP_KERNEL usage can be divided into the
following three types:

The first one is for functions/declarations only used in XIP case.

The second one is for XIP_FIXUP case. Something as below:
|foo_type foo;
|#ifdef CONFIG_XIP_KERNEL
|#define foo    (*(foo_type *)XIP_FIXUP(&foo))
|#endif

Usually, it's better to let the foo macro sit with the foo var
together. But if various foos are defined adjacently, we can
save some #ifdef CONFIG_XIP_KERNEL usage by grouping them together.

The third one is for different implementations for XIP, usually, this
is a #ifdef...#else...#endif case.

This patch moves the pt_ops macro to adjacent #ifdef CONFIG_XIP_KERNEL
and group first type usage cases into one.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 09:56:35 -08:00
Jisheng Zhang fe036db7d8
riscv: mm: init: try IS_ENABLED(CONFIG_XIP_KERNEL) instead of #ifdef
Try our best to replace the conditional compilation using
"#ifdef CONFIG_XIP_KERNEL" with "IS_ENABLED(CONFIG_XIP_KERNEL)", to
simplify the code and to increase compile coverage.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 09:56:33 -08:00
Jisheng Zhang 3274a6ef3b
riscv: mm: init: remove _pt_ops and use pt_ops directly
Except "pt_ops", other global vars when CONFIG_XIP_KERNEL=y is defined
as below:

|foo_type foo;
|#ifdef CONFIG_XIP_KERNEL
|#define foo	(*(foo_type *)XIP_FIXUP(&foo))
|#endif

Follow the same way for pt_ops to unify the style and to simplify code.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 09:56:32 -08:00
Jisheng Zhang 07aabe8fb6
riscv: mm: init: try best to use IS_ENABLED(CONFIG_64BIT) instead of #ifdef
Try our best to replace the conditional compilation using
"#ifdef CONFIG_64BIT" by a check for "IS_ENABLED(CONFIG_64BIT)", to
simplify the code and to increase compile coverage.

Now we can also remove the __maybe_unused used in max_mapped_addr
declaration.

We also remove the BUG_ON check of mapping the last 4K bytes of the
addressable memory since this is always true for every kernel actually.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 09:56:31 -08:00
Jisheng Zhang 902d6364aa
riscv: mm: init: remove unnecessary "#ifdef CONFIG_CRASH_DUMP"
The is_kdump_kernel() returns false for !CRASH_DUMP case, so we don't
need the #ifdef CONFIG_CRASH_DUMP for is_kdump_kernel() checking.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-01-19 09:56:30 -08:00
Linus Torvalds f1b744f65e RISC-V Patches for the 5.17 Merge Window, Part 1
* Support for the DA9063 as used on the HiFive Unmatched.
 * Support for relative extables, which puts us in line with other
   architectures and save some space in vmlinux.
 * A handful of kexec fixes/improvements, including the ability to run
   crash kernels from PCI-addressable memory on the HiFive Unmatched.
 * Support for the SBI SRST extension, which allows systems that do not
   have an explicit driver in Linux to reboot.
 * A handful of fixes and cleanups, including to the defconfigs and
   device trees.
 
 ---
 This time I do expect to have a part 2, as there's still some smaller
 patches on the list.  I was hoping to get through more of that over the
 weekend, but I got distracted with the ABI issues.  Figured it's better
 to send this sooner rather than waiting.
 
 Included are my merge resolutions against a master from this morning, if
 that helps any:
 
 diff --cc arch/riscv/include/asm/sbi.h
 index 289621da4a2a,9c46dd3ff4a2..000000000000
 --- a/arch/riscv/include/asm/sbi.h
 +++ b/arch/riscv/include/asm/sbi.h
 @@@ -27,7 -27,14 +27,15 @@@ enum sbi_ext_id
         SBI_EXT_IPI = 0x735049,
         SBI_EXT_RFENCE = 0x52464E43,
         SBI_EXT_HSM = 0x48534D,
  +      SBI_EXT_SRST = 0x53525354,
 +
 +       /* Experimentals extensions must lie within this range */
 +       SBI_EXT_EXPERIMENTAL_START = 0x08000000,
 +       SBI_EXT_EXPERIMENTAL_END = 0x08FFFFFF,
 +
 +       /* Vendor extensions must lie within this range */
 +       SBI_EXT_VENDOR_START = 0x09000000,
 +       SBI_EXT_VENDOR_END = 0x09FFFFFF,
   };
 
   enum sbi_ext_base_fid {
 diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
 index e03a4c94cf3f..6bfa1f24d3de 100644
 --- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
 +++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
 @@ -188,14 +188,6 @@ vdd_ldo11: ldo11 {
                                 regulator-always-on;
                         };
                 };
 -
 -               rtc {
 -                       compatible = "dlg,da9063-rtc";
 -               };
 -
 -               wdt {
 -                       compatible = "dlg,da9063-watchdog";
 -               };
         };
  };
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCAAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmHnDV4THHBhbG1lckBk
 YWJiZWx0LmNvbQAKCRAuExnzX7sYiaGWD/wOMHVLrkLZDxKHY3lFU7S7FanpFgcU
 L265fgKtoG/QOI9WPuQlN7pYvrC4ssUvtQ23WwZ+iz4pJlUwoMb2TAqBBeTXxEbW
 pVF2QqnlPdv2ZEn95MFxZ0HQB2+xgJKPL5gdD6Iz7oe2378lf7tywSF7MYpxG/AA
 CeHUxzhEPhQJntufTievMhvYpM7ZyhCr19ZAHXRaPoGReJK5ZMCeYHGTrHD4EisG
 hO/Pg2vx/Ynxi/vb/C69kpTBvu4Qsxnbhgfy1SowrO3FhxcZTbyrZ6l8uRxSAHIg
 dA0NLPh/YDQCPXYnphQcLo+Q9Gy4Sz5es7ULnnMyyEOZxoVyy4up3rCAFAL3Ubav
 CNQdk/ZWtrZ+s4chilA1kW97apxocvmq5ULg+7Hi58ZUzk+y7MQBVCClohyONVEU
 /leJzJ3nq3YHFgfo8Uh7L+iPzlNgycfi4gRnGJIkEVRhXBPTfJ/Pc5wjPoPVsFvt
 pjEYT4YaXITZ0QBLdcuPex5h3PXkRsORsZl8eJGnIz8742KA4tfFraZ4BkbrjoqC
 tLsi7Si9hN3JKhLsNgclb76tDkoz4CY7yZ7TT7hRbKdZZJkVRu1XqUq75X18CVQv
 9p7Q7j1b5H3Z+/5KOxwS0UO73y92yvyVvi0cLqBoD2Tkeq3beumxmy50Qy+O+h1D
 Ut7GwcyavzfS8Q==
 =uqtf
 -----END PGP SIGNATURE-----

Merge tag 'riscv-for-linus-5.17-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:

 - Support for the DA9063 as used on the HiFive Unmatched.

 - Support for relative extables, which puts us in line with other
   architectures and save some space in vmlinux.

 - A handful of kexec fixes/improvements, including the ability to run
   crash kernels from PCI-addressable memory on the HiFive Unmatched.

 - Support for the SBI SRST extension, which allows systems that do not
   have an explicit driver in Linux to reboot.

 - A handful of fixes and cleanups, including to the defconfigs and
   device trees.

* tag 'riscv-for-linus-5.17-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (52 commits)
  RISC-V: Use SBI SRST extension when available
  riscv: mm: fix wrong phys_ram_base value for RV64
  RISC-V: Use common riscv_cpuid_to_hartid_mask() for both SMP=y and SMP=n
  riscv: head: remove useless __PAGE_ALIGNED_BSS and .balign
  riscv: errata: alternative: mark vendor_patch_func __initdata
  riscv: head: make secondary_start_common() static
  riscv: remove cpu_stop()
  riscv: try to allocate crashkern region from 32bit addressible memory
  riscv: use hart id instead of cpu id on machine_kexec
  riscv: Don't use va_pa_offset on kdump
  riscv: dts: sifive: fu540-c000: Fix PLIC node
  riscv: dts: sifive: fu540-c000: Drop bogus soc node compatible values
  riscv: dts: sifive: Group tuples in register properties
  riscv: dts: sifive: Group tuples in interrupt properties
  riscv: dts: microchip: mpfs: Group tuples in interrupt properties
  riscv: dts: microchip: mpfs: Fix clock controller node
  riscv: dts: microchip: mpfs: Fix reference clock node
  riscv: dts: microchip: mpfs: Fix PLIC node
  riscv: dts: microchip: mpfs: Drop empty chosen node
  riscv: dts: canaan: Group tuples in interrupt properties
  ...
2022-01-19 11:38:21 +02:00
Linus Torvalds fd6f57bfda Kbuild updates for v5.17
- Add new kconfig target 'make mod2noconfig', which will be useful to
    speed up the build and test iteration.
 
  - Raise the minimum supported version of LLVM to 11.0.0
 
  - Refactor certs/Makefile
 
  - Change the format of include/config/auto.conf to stop double-quoting
    string type CONFIG options.
 
  - Fix ARCH=sh builds in dash
 
  - Separate compression macros for general purposes (cmd_bzip2 etc.) and
    the ones for decompressors (cmd_bzip2_with_size etc.)
 
  - Misc Makefile cleanups
 -----BEGIN PGP SIGNATURE-----
 
 iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAmHnFNIVHG1hc2FoaXJv
 eUBrZXJuZWwub3JnAAoJED2LAQed4NsGiQEP/1tkt9IHP7vFvkN9xChQI8HQ7HOC
 mPIxBAUzHIp1V2IALb0lfojjnpkzcMNpJZVlmqjgyYShLEPPBFwKVXs1War6GViX
 aprUMz7w1zR/vZJ2fplFmrkNwSxNp3+LSE6sHVmsliS4Vfzh7CjHb8DnaKjBvQLZ
 M+eQugjHsWI3d3E81/qtRG5EaVs6q8osF3b0Km59mrESWVYKqwlUP3aUyQCCUGFK
 mI+zC4SrHH6EAIZd//VpaleXxVtDcjjadb7Iru5MFhFdCBIRoSC3d1IWPUNUKNnK
 i0ocDXuIoAulA/mROgrpyAzLXg10qYMwwTmX+tplkHA055gKcY/v4aHym6ypH+TX
 6zd34UMTLM32LSjs8hssiQT8BiZU0uZoa/m2E9IBaiExA2sTsRZxgQMKXFFaPQJl
 jn4cRiG0K1NDeRKtq4xh2WO46OS4sPlR6zW9EXDEsS/bI05Y7LpUz7Flt6iA2Mq3
 0g8uYIYr/9drl96X83tFgTkxxB6lpB29tbsmsrKJRGxvrCDnAhXlXhPCkMajkm2Q
 PjJfNtMFzwemSZWq09+F+X5BgCjzZtroOdFI9FTMNhGWyaUJZXCtcXQ6UTIKnTHO
 cDjcURvh+l56eNEQ5SMTNtAkxB+pX8gPUmyO1wLwRUT4YodxylkTUXGyBBR9tgTn
 Yks1TnPD06ld364l
 =8BQf
 -----END PGP SIGNATURE-----

Merge tag 'kbuild-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Add new kconfig target 'make mod2noconfig', which will be useful to
   speed up the build and test iteration.

 - Raise the minimum supported version of LLVM to 11.0.0

 - Refactor certs/Makefile

 - Change the format of include/config/auto.conf to stop double-quoting
   string type CONFIG options.

 - Fix ARCH=sh builds in dash

 - Separate compression macros for general purposes (cmd_bzip2 etc.) and
   the ones for decompressors (cmd_bzip2_with_size etc.)

 - Misc Makefile cleanups

* tag 'kbuild-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits)
  kbuild: add cmd_file_size
  arch: decompressor: remove useless vmlinux.bin.all-y
  kbuild: rename cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22}
  kbuild: drop $(size_append) from cmd_zstd
  sh: rename suffix-y to suffix_y
  doc: kbuild: fix default in `imply` table
  microblaze: use built-in function to get CPU_{MAJOR,MINOR,REV}
  certs: move scripts/extract-cert to certs/
  kbuild: do not quote string values in include/config/auto.conf
  kbuild: do not include include/config/auto.conf from shell scripts
  certs: simplify $(srctree)/ handling and remove config_filename macro
  kbuild: stop using config_filename in scripts/Makefile.modsign
  certs: remove misleading comments about GCC PR
  certs: refactor file cleaning
  certs: remove unneeded -I$(srctree) option for system_certificates.o
  certs: unify duplicated cmd_extract_certs and improve the log
  certs: use $< and $@ to simplify the key generation rule
  kbuild: remove headers_check stub
  kbuild: move headers_check.pl to usr/include/
  certs: use if_changed to re-generate the key when the key type is changed
  ...
2022-01-19 11:15:19 +02:00
Linus Torvalds 0ed9059756 Merge branch 'random-5.17-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fixes from Jason Donenfeld:

 - Some Kconfig changes resulted in BIG_KEYS being unselectable, which
   Justin sent a patch to fix.

 - Geert pointed out that moving to BLAKE2s bloated vmlinux on little
   machines, like m68k, so we now compensate for this.

 - Numerous style and house cleaning fixes, meant to have a cleaner base
   for future changes.

* 'random-5.17-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
  random: simplify arithmetic function flow in account()
  random: selectively clang-format where it makes sense
  random: access input_pool_data directly rather than through pointer
  random: cleanup fractional entropy shift constants
  random: prepend remaining pool constants with POOL_
  random: de-duplicate INPUT_POOL constants
  random: remove unused OUTPUT_POOL constants
  random: rather than entropy_store abstraction, use global
  random: remove unused extract_entropy() reserved argument
  random: remove incomplete last_data logic
  random: cleanup integer types
  random: cleanup poolinfo abstraction
  random: fix typo in comments
  lib/crypto: sha1: re-roll loops to reduce code size
  lib/crypto: blake2s: move hmac construction into wireguard
  lib/crypto: add prompts back to crypto libraries
2022-01-19 10:39:11 +02:00
Linus Torvalds 39b419eaf0 hwspinlock updates for v5.17
This contains a change to the stm32 hwspinlock driver to ensure that
 the hardware is operational even without CONFIG_PM.
 -----BEGIN PGP SIGNATURE-----
 
 iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmHmzhMbHGJqb3JuLmFu
 ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3FyOQQALWRYrTt3B7+35UM7neI
 DvI09TX7++ERmxHpI3cnp3lnG3/rtDbqvxaYQNlUljtZQAw/pZFWoehWdbEHMSDQ
 LQxqqASZjxjxkAkbQHTBQbXPS9b3VyWaYAatpOrt2ppGyROv/ddLEKE7vVWzHI4V
 XhqXaw90jhUXu1hzEULC2nfGSaCycJbhCD4EYv/WjesHlgUigbSQJUmbpXy8tob6
 2PzCw0APwRxyPKowkaYV+D/lneJAFgfM85IjLuShGL66gx1+Pf+nVMxDqLLsSt81
 R8cCyRhlqgapglG8kfk9UFMlhNSgBrzvCupAezCTFlF7O6Yf9vZ5Oj9HHJc8Y+NO
 d6GeA1uLCTIG0F/nN9z6NyaAUEuarSCcYP/EDr29aABpsKIiYkME9jgJBLYLYvEU
 Vm2t4UT5w2mpMfZPXcGSqB6n54xFsHxmB0P0kLob7H1JIGQ5bJPRB9nIgxm+6WB2
 pN+ZKwhjy0WYX20lUqIB/3gzBvu/4e9Q9waMdLaImg7rEkwzg7yemvU0dHo1v8bz
 fXL2ZxIU6jKvfAdMYrdB4H35Ha+UJP0EQ8qbhplL699svYjD7cOPIeSFwXJBtMbe
 qQ1tZSjTwdteyrPgE0CBXJ8En1k19rQEpS7vemz2EwVsfDt8UkgffFcHECLzShJj
 bbtor1ZzhwEghNj5yuUVpqjZ
 =6Exq
 -----END PGP SIGNATURE-----

Merge tag 'hwlock-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:
 "This contains a change to the stm32 hwspinlock driver to ensure that
  the hardware is operational even without CONFIG_PM"

* tag 'hwlock-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  hwspinlock: stm32: enable clock at probe
2022-01-19 10:29:20 +02:00
Jason A. Donenfeld a254a0e409 random: simplify arithmetic function flow in account()
Now that have_bytes is never modified, we can simplify this function.
First, we move the check for negative entropy_count to be first. That
ensures that subsequent reads of this will be non-negative. Then,
have_bytes and ibytes can be folded into their one use site in the
min_t() function.

Suggested-by: Dominik Brodowski <linux@dominikbrodowski.net>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:56 +01:00
Jason A. Donenfeld 248045b8de random: selectively clang-format where it makes sense
This is an old driver that has seen a lot of different eras of kernel
coding style. In an effort to make it easier to code for, unify the
coding style around the current norm, by accepting some of -- but
certainly not all of -- the suggestions from clang-format. This should
remove ambiguity in coding style, especially with regards to spacing,
when code is being changed or amended. Consequently it also makes code
review easier on the eyes, following one uniform style rather than
several.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:56 +01:00
Jason A. Donenfeld 6c0eace6e1 random: access input_pool_data directly rather than through pointer
This gets rid of another abstraction we no longer need. It would be nice
if we could instead make pool an array rather than a pointer, but the
latent entropy plugin won't be able to do its magic in that case. So
instead we put all accesses to the input pool's actual data through the
input_pool_data array directly.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:56 +01:00
Jason A. Donenfeld 18263c4e8e random: cleanup fractional entropy shift constants
The entropy estimator is calculated in terms of 1/8 bits, which means
there are various constants where things are shifted by 3. Move these
into our pool info enum with the other relevant constants. While we're
at it, move an English assertion about sizes into a proper BUILD_BUG_ON
so that the compiler can ensure this invariant.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:56 +01:00
Jason A. Donenfeld b3d51c1f54 random: prepend remaining pool constants with POOL_
The other pool constants are prepended with POOL_, but not these last
ones. Rename them. This will then let us move them into the enum in the
following commit.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:56 +01:00
Jason A. Donenfeld 5b87adf30f random: de-duplicate INPUT_POOL constants
We already had the POOL_* constants, so deduplicate the older INPUT_POOL
ones. As well, fold EXTRACT_SIZE into the poolinfo enum, since it's
related.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:56 +01:00
Jason A. Donenfeld 0f63702718 random: remove unused OUTPUT_POOL constants
We no longer have an output pool. Rather, we have just a wakeup bits
threshold for /dev/random reads, presumably so that processes don't
hang. This value, random_write_wakeup_bits, is configurable anyway. So
all the no longer usefully named OUTPUT_POOL constants were doing was
setting a reasonable default for random_write_wakeup_bits. This commit
gets rid of the constants and just puts it all in the default value of
random_write_wakeup_bits.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:56 +01:00
Jason A. Donenfeld 90ed1e67e8 random: rather than entropy_store abstraction, use global
Originally, the RNG used several pools, so having things abstracted out
over a generic entropy_store object made sense. These days, there's only
one input pool, and then an uneven mix of usage via the abstraction and
usage via &input_pool. Rather than this uneasy mixture, just get rid of
the abstraction entirely and have things always use the global. This
simplifies the code and makes reading it a bit easier.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:56 +01:00
Jason A. Donenfeld 8b2d953b91 random: remove unused extract_entropy() reserved argument
This argument is always set to zero, as a result of us not caring about
keeping a certain amount reserved in the pool these days. So just remove
it and cleanup the function signatures.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:56 +01:00
Jason A. Donenfeld a4bfa9b318 random: remove incomplete last_data logic
There were a few things added under the "if (fips_enabled)" banner,
which never really got completed, and the FIPS people anyway are
choosing a different direction. Rather than keep around this halfbaked
code, get rid of it so that we can focus on a single design of the RNG
rather than two designs.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:55 +01:00
Jason A. Donenfeld d38bb08535 random: cleanup integer types
Rather than using the userspace type, __uXX, switch to using uXX. And
rather than using variously chosen `char *` or `unsigned char *`, use
`u8 *` uniformly for things that aren't strings, in the case where we
are doing byte-by-byte traversal.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:55 +01:00
Jason A. Donenfeld 91ec0fe138 random: cleanup poolinfo abstraction
Now that we're only using one polynomial, we can cleanup its
representation into constants, instead of passing around pointers
dynamically to select different polynomials. This improves the codegen
and makes the code a bit more straightforward.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:55 +01:00
Schspa Shi c0a8a61e7a random: fix typo in comments
s/or/for

Signed-off-by: Schspa Shi <schspa@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:55 +01:00
Jason A. Donenfeld 9a1536b093 lib/crypto: sha1: re-roll loops to reduce code size
With SHA-1 no longer being used for anything performance oriented, and
also soon to be phased out entirely, we can make up for the space added
by unrolled BLAKE2s by simply re-rolling SHA-1. Since SHA-1 is so much
more complex, re-rolling it more or less takes care of the code size
added by BLAKE2s. And eventually, hopefully we'll see SHA-1 removed
entirely from most small kernel builds.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:55 +01:00
Jason A. Donenfeld d8d83d8ab0 lib/crypto: blake2s: move hmac construction into wireguard
Basically nobody should use blake2s in an HMAC construction; it already
has a keyed variant. But unfortunately for historical reasons, Noise,
used by WireGuard, uses HKDF quite strictly, which means we have to use
this. Because this really shouldn't be used by others, this commit moves
it into wireguard's noise.c locally, so that kernels that aren't using
WireGuard don't get this superfluous code baked in. On m68k systems,
this shaves off ~314 bytes.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:55 +01:00
Justin M. Forbes e56e189855 lib/crypto: add prompts back to crypto libraries
Commit 6048fdcc5f ("lib/crypto: blake2s: include as built-in") took
away a number of prompt texts from other crypto libraries. This makes
values flip from built-in to module when oldconfig runs, and causes
problems when these crypto libs need to be built in for thingslike
BIG_KEYS.

Fixes: 6048fdcc5f ("lib/crypto: blake2s: include as built-in")
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
[Jason: - moved menu into submenu of lib/ instead of root menu
        - fixed chacha sub-dependencies for CONFIG_CRYPTO]
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-01-18 13:03:55 +01:00
Linus Torvalds 99613159ad dmaengine updates for v5.17-rc1
New support:
  - DMA_MEMCPY_SG support is bought back as we have a user in Xilinx driver
  - Support for TI J721S2 SoC in k3-udma driver
  - Support for Ingenic MDMA and BDMA in the JZ4760
  - Support for Renesas r8a779f0 dmac
 
 Updates:
  - We are finally getting rid of slave_id, so this brings in the changes
    across tree for that using tag dmaengine_topic_slave_id_removal_5.17
  - updates for idxd driver
  - at_xdmac driver cleanup
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEE+vs47OPLdNbVcHzyfBQHDyUjg0cFAmHmnQkACgkQfBQHDyUj
 g0dIaA/+ImhGfvJ2xl4mffqN99KsfKZ2mUfrpP3cI7We9i9kHXeQL3aUqlCWDHGM
 IEKRjaery5JHAWC2amYuKXn5gtDnrJkvdvRV3bXwBBBGhiDDaxPv1Fe1+LkFHuvG
 ILpAchYBb2ebXiXTafM05vdDN7jTk1PVHNXZJdKDGG6kKWzdscYKcFDGaGp4r6IJ
 +uyQmpRlxPvpjVGONxY6pLiK+Z2eQyyLuIky4EWbEGd2mEKfZoVLXvmsXo2d2n+h
 iNVG6FgjRe+zWSL4uagZuSvbMhfMD4xeR4d8LpaPmt6D0f+DJfNCS6/ScsHwCGxR
 m+3XKxYoeBHgxjQb0qoXV8AaMgpJuFyyw297xHVAmevv9mnGmGHT298m8zYcYHwJ
 EYhWcQZKASDmI3BsQKyighDhXlgJl9jvBI8GuvcdbTof1I+iy+6XrntgLpCSGuqM
 yzl2+OTslQFaE5YGwTwNoy0WeqqfZeg+4RykOEmLam+WKzBFF/NxpM1kZm83KXSX
 Fx4RBGhg/5WaO7J5OTt6qt0OR87bdGffBKyCrkxWggX7fq5tR7bbz1b0+fYoeoaI
 xyoBGHj10gDT06aHEZBb8/Kw5jICUEKN6XJkhO03vowHtUhKZR9lgNCQ5aW5VK96
 SuCs4qP9PLq21FwvV4r66DnoGtCR5XSaAmn5rueCAHCIlPkQJbc=
 =1KYH
 -----END PGP SIGNATURE-----

Merge tag 'dmaengine-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "A bunch of new support and few updates to drivers:

  New support:
   - DMA_MEMCPY_SG support is bought back as we have a user in Xilinx
     driver
   - Support for TI J721S2 SoC in k3-udma driver
   - Support for Ingenic MDMA and BDMA in the JZ4760
   - Support for Renesas r8a779f0 dmac

  Updates:
   - We are finally getting rid of slave_id, so this brings in the
     changes across tree for that
   - updates for idxd driver
   - at_xdmac driver cleanup"

* tag 'dmaengine-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (60 commits)
  dt-bindings: dma-controller: Split interrupt fields in example
  dmaengine: pch_dma: Remove usage of the deprecated "pci-dma-compat.h" API
  dmaengine: at_xdmac: Fix race over irq_status
  dmaengine: at_xdmac: Remove a level of indentation in at_xdmac_tasklet()
  dmaengine: at_xdmac: Fix at_xdmac_lld struct definition
  dmaengine: at_xdmac: Fix lld view setting
  dmaengine: at_xdmac: Remove a level of indentation in at_xdmac_advance_work()
  dmaengine: at_xdmac: Fix concurrency over xfers_list
  dmaengine: at_xdmac: Move the free desc to the tail of the desc list
  dmaengine: at_xdmac: Fix race for the tx desc callback
  dmaengine: at_xdmac: Fix concurrency over chan's completed_cookie
  dmaengine: at_xdmac: Print debug message after realeasing the lock
  dmaengine: at_xdmac: Start transfer for cyclic channels in issue_pending
  dmaengine: at_xdmac: Don't start transactions at tx_submit level
  dmaengine: idxd: deprecate token sysfs attributes for read buffers
  dmaengine: idxd: change bandwidth token to read buffers
  dmaengine: idxd: fix wq settings post wq disable
  dmaengine: idxd: change MSIX allocation based on per wq activation
  dmaengine: idxd: fix descriptor flushing locking
  dmaengine: idxd: embed irq_entry in idxd_wq struct
  ...
2022-01-18 14:03:34 +02:00
Linus Torvalds fe81ba137e ATA changes for 5.17-rc1
A larger than usual set of changes for this cycle. The bulk of the changes are
 part of a rework of libata messages and debugging features from Hannes. In more
 details, the changes are as follows.
 
 * Small code cleanups in the pata_ali driver (unnecessary variable
   initialization and simplified return statement, from Jason and  Colin.
 * Switch to using struct_group() in the sata_fsl driver, from Kees.
 * Convert many sysfs attribute show functions to use sysfs_emit() instead of
   snprintf(), from me.
 * sata_dwc_460ex driver code cleanups, from Andy.
 * Improve DMA setup and remove superfluous error message in libahci_platform,
   from Andy
 * A small code cleanup in libata to use min() instead of open coding test,
   from Changcheng.
 * Rework of libata messages from Hannes. This is especially focused on
   replacing compile time defined debugging messages (DPRINTK() and VPRINTK())
   with regular dynamic debugging messages (pr_debug()) and traceipoint events.
   Both libata-core and many drivers are updated to have a consistent debugging
   level control for all drivers.
 * Extend compile test support to as many drivers as possible in ATA Kconfig to
   improve compile test coverage, from me.
 * Fixes to avoid compile time warnings (W=1) and sparse warnings in sata_fsl
   and ahci_xgene drivers, from me.
 * Fix the interface of the read_id() port operation method to clarify that the
   data buffer passed as an argument is little endian. This avoids sparse
   warnings in the pata_netcell, pata_it821x, ahci_xgene, ahci_cevaxi and
   ahci_brcm drivers. From me.
 * Small code cleanup in the pata_octeon_cf driver, from Minghao.
 * Improved IRQ configuration code in pata_of_platform, from Lad.
 * Simplified implementation of __ata_scsi_queuecmd(), from Wenchao.
 * Debounce delay flag renaming, from Paul.
 * Add support for AMD A85 FCH (Hudson D4) AHCI adapters, from Paul
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQSRPv8tYSvhwAzJdzjdoc3SxdoYdgUCYeEexQAKCRDdoc3SxdoY
 dgGfAQCfiWOwstxl8InSJKCeTzspu6L4mo3jtjSL+X/dihs91wEAj7MGO/8Yv/Z7
 mnnM7GJ5vB0qReFnDEGw9uUnlkmMewU=
 =t+rc
 -----END PGP SIGNATURE-----

Merge tag 'ata-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata

Pull ATA updates from Damien Le Moal:
 "A larger than usual set of changes for this cycle. The bulk of the
  changes are part of a rework of libata messages and debugging features
  from Hannes. In more detail, the changes are as follows.

   - Small code cleanups in the pata_ali driver (unnecessary variable
     initialization and simplified return statement, from Jason and
     Colin.

   - Switch to using struct_group() in the sata_fsl driver, from Kees.

   - Convert many sysfs attribute show functions to use sysfs_emit()
     instead of snprintf(), from me.

   - sata_dwc_460ex driver code cleanups, from Andy.

   - Improve DMA setup and remove superfluous error message in
     libahci_platform, from Andy

   - A small code cleanup in libata to use min() instead of open coding
     test, from Changcheng.

   - Rework of libata messages from Hannes. This is especially focused
     on replacing compile time defined debugging messages (DPRINTK() and
     VPRINTK()) with regular dynamic debugging messages (pr_debug()) and
     traceipoint events. Both libata-core and many drivers are updated
     to have a consistent debugging level control for all drivers.

   - Extend compile test support to as many drivers as possible in ATA
     Kconfig to improve compile test coverage, from me.

   - Fixes to avoid compile time warnings (W=1) and sparse warnings in
     sata_fsl and ahci_xgene drivers, from me.

   - Fix the interface of the read_id() port operation method to clarify
     that the data buffer passed as an argument is little endian. This
     avoids sparse warnings in the pata_netcell, pata_it821x,
     ahci_xgene, ahci_cevaxi and ahci_brcm drivers. From me.

   - Small code cleanup in the pata_octeon_cf driver, from Minghao.

   - Improved IRQ configuration code in pata_of_platform, from Lad.

   - Simplified implementation of __ata_scsi_queuecmd(), from Wenchao.

   - Debounce delay flag renaming, from Paul.

   - Add support for AMD A85 FCH (Hudson D4) AHCI adapters, from Paul"

* tag 'ata-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: (106 commits)
  ata: pata_ali: remove redundant return statement
  ata: ahci: Add support for AMD A85 FCH (Hudson D4)
  ata: libata: Rename link flag ATA_LFLAG_NO_DB_DELAY
  ata: libata-scsi: simplify __ata_scsi_queuecmd()
  ata: pata_of_platform: Use platform_get_irq_optional() to get the interrupt
  ata: pata_samsung_cf: add compile test support
  ata: pata_pxa: add compile test support
  ata: pata_imx: add compile test support
  ata: pata_ftide010: add compile test support
  ata: pata_cs5535: add compile test support
  ata: pata_octeon_cf: remove redundant val variable
  ata: fix read_id() ata port operation interface
  ata: ahci_xgene: use correct type for port mmio address
  ata: sata_fsl: fix cmdhdr_tbl_entry and prde struct definitions
  ata: sata_fsl: fix scsi host initialization
  ata: pata_bk3710: add compile test support
  ata: ahci_seattle: add compile test support
  ata: ahci_xgene: add compile test support
  ata: ahci_tegra: add compile test support
  ata: ahci_sunxi: add compile test support
  ...
2022-01-18 10:14:49 +02:00
Linus Torvalds 3bf6a9e36e virtio,vdpa,qemu_fw_cfg: features, cleanups, fixes
partial support for < MAX_ORDER - 1 granularity for virtio-mem
 driver_override for vdpa
 sysfs ABI documentation for vdpa
 multiqueue config support for mlx5 vdpa
 
 Misc fixes, cleanups.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
 iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmHiDHkPHG1zdEByZWRo
 YXQuY29tAAoJECgfDbjSjVRpVT4H/3Veixt3uYPOmuLU2tSx+8X+sFTtik81hyiE
 okz5fRJrxxA8SqS76FnmO10FS4hlPOGNk0Z5WVhr0yihwFvPLvpCM/xi2Lmrz9I7
 pB0sXOIocEL1xApsxukR9K1Twpb2hfYsflbJYUVlRfhS5G0izKJNZp5I7OPrzd80
 vVNNDWKW2iLDlfqsavumI4Kvm4nsFuCHG03jzMtcIa7YTXYV3DORD4ZGFFVUOIQN
 t5F74TznwHOeYgJeg7TzjFjfPWmXjLetvx10QX1A1uOvwppWW/QY6My0UafTXNXj
 VB3gOwJPf+gxXAXl/4bafq4NzM0xys6cpcPpjvhmU+erY4UuyAU=
 =Y1eO
 -----END PGP SIGNATURE-----

Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:
 "virtio,vdpa,qemu_fw_cfg: features, cleanups, and fixes.

   - partial support for < MAX_ORDER - 1 granularity for virtio-mem

   - driver_override for vdpa

   - sysfs ABI documentation for vdpa

   - multiqueue config support for mlx5 vdpa

   - and misc fixes, cleanups"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (42 commits)
  vdpa/mlx5: Fix tracking of current number of VQs
  vdpa/mlx5: Fix is_index_valid() to refer to features
  vdpa: Protect vdpa reset with cf_mutex
  vdpa: Avoid taking cf_mutex lock on get status
  vdpa/vdpa_sim_net: Report max device capabilities
  vdpa: Use BIT_ULL for bit operations
  vdpa/vdpa_sim: Configure max supported virtqueues
  vdpa/mlx5: Report max device capabilities
  vdpa: Support reporting max device capabilities
  vdpa/mlx5: Restore cur_num_vqs in case of failure in change_num_qps()
  vdpa: Add support for returning device configuration information
  vdpa/mlx5: Support configuring max data virtqueue
  vdpa/mlx5: Fix config_attr_mask assignment
  vdpa: Allow to configure max data virtqueues
  vdpa: Read device configuration only if FEATURES_OK
  vdpa: Sync calls set/get config/status with cf_mutex
  vdpa/mlx5: Distribute RX virtqueues in RQT object
  vdpa: Provide interface to read driver features
  vdpa: clean up get_config_size ret value handling
  virtio_ring: mark ring unused on error
  ...
2022-01-18 10:05:48 +02:00
Linus Torvalds 46a10fc3a2 remoteproc updates for v5.17
This introduces support for controlling the Cortex R7 co-processor in
 Renesas Gen3, support for R5F clusters and C71x DSPs on TI J721S2 and
 compute, audio and modem subsystems on Qualcomm SM6350.
 
 It fixes a couple of sparse errors related to memcpy_to/fromio and
 corrects the kerneldoc spelling of "Return:".
 
 The stm32 driver no longer attempts to communicate with the remote after
 the firmware has crashed.
 -----BEGIN PGP SIGNATURE-----
 
 iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmHl6SkbHGJqb3JuLmFu
 ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3FxlIQAMlzSpapZmJZ1eP2SWj1
 N72HsHTr0ff99mukOTDEuWEwbU7aBZBd8AVwpJYIT+XDnPeuLMMWcLULinQ8vG6m
 NL4zozaZXYBZ7qzlzxgZTsiJ2nh3jE6J7n/eixdE2Le7E03yxHj53vv9iwHNvv24
 J1xgTZbu35sWgzS6/9RkKkXe4QiP+HPkRQ86RNeHxoBGPsWFUEaqAwqS9RmxmbTt
 UJcIWH3EKCppZqk5e2rWbEX+AGn5fANU/N3gj8JwNeZDT4UWMGr9HWdyDGGtGgyQ
 +wFigK+A4jA7RAmBhfqEtGuSyVqs1Ql2Y6AWC2c85AySMcVGtNsAeCVfC0CncA29
 bjTD9YCbw3FTACEW50XwUwLdvPfzkydmubiikYLmUrzr3i3HQO0B+wMPhFOdo1sv
 XyBqvQel+lKYoRc3uWtYlgEGJkPAokUmacAyJa0b7zndLir7QBJt7fZPplSforEW
 cQ1ggw492Xh0MwZ/Wk7fEzO47CE2/S1KIK/Sfyjsw6FROj7rEB7yBdN6DdYYvdMK
 UkgCeEYKpojQLJ+uEpMFgKJhNFzye2XAhaRMQ5JXudH2/+rixl8yD0qvA3+MQz8P
 3jdn1nUk+WDNvBjxuv70XACppe/66ZtKQifSuxuxgi1R8c1c4D0KHeTO1YHXidL9
 tgev6OmkqkW5YjypL3J0KGa3
 =NxyB
 -----END PGP SIGNATURE-----

Merge tag 'rproc-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull remoteproc updates from Bjorn Andersson:
 "This introduces support for controlling the Cortex R7 co-processor in
  Renesas Gen3, support for R5F clusters and C71x DSPs on TI J721S2 and
  compute, audio and modem subsystems on Qualcomm SM6350.

  It fixes a couple of sparse errors related to memcpy_to/fromio and
  corrects the kerneldoc spelling of "Return:".

  The stm32 driver no longer attempts to communicate with the remote
  after the firmware has crashed"

* tag 'rproc-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (22 commits)
  remoteproc: stm32: Improve crash recovery time
  remoteproc: rcar_rproc: Remove trailing semicolon
  remoteproc: rcar_rproc: Fix pm_runtime_get_sync error check
  remoteproc: qcom: pas: Add SM6350 CDSP support
  remoteproc: qcom: pas: Add SM6350 ADSP support
  remoteproc: qcom: pas: Add SM6350 MPSS support
  dt-bindings: remoteproc: qcom: pas: Add SM6350 adsp, cdsp & mpss
  remoteproc: qcom: pas: Add missing power-domain "mxc" for CDSP
  remoteproc: imx_rproc: correct firmware reload
  remoteproc: qcom: pil_info: Don't memcpy_toio more than is provided
  remoteproc: Add Renesas rcar driver
  dt-bindings: remoteproc: Add Renesas R-Car
  remoteproc: Fix remaining wrong return formatting in documentation
  MAINTAINERS: Removing Ohad from remoteproc/rpmsg maintenance
  remoteproc: ingenic: Request IRQ disabled
  remoteproc: k3-r5: Extend support for R5F clusters on J721S2 SoCs
  remoteproc: k3-dsp: Extend support for C71x DSPs on J721S2 SoCs
  dt-bindings: remoteproc: k3-dsp: Update bindings for J721S2 SoCs
  dt-bindings: remoteproc: k3-r5f: Update bindings for J721S2 SoCs
  remoteproc: coredump: Correct argument 2 type for memcpy_fromio
  ...
2022-01-18 09:32:34 +02:00
Linus Torvalds fc9d6952a4 rpmsg updates for v5.17
This adds pr_fmt for the rpmsg_char driver, fixes error handling in
 rpmsg_dev_probe() and corrects the spelling of "Return:" in various
 places, in order to correct kerneldoc.
 -----BEGIN PGP SIGNATURE-----
 
 iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmHl5vUbHGJqb3JuLmFu
 ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3F7H4P/1cHjgPQ/nUN4DPX3P7Z
 FvOONCVaMsQ3V3YALVx2CPH5f2Y38wIvSfWl+CRncgLOJg6GYPDsaM598aj5txev
 NfgMWGhKhHsuk4SzUxRHtq1t3sCrQvJMPMjmpg5dI6mgCjpROPM0hkg9iZxS/fZ+
 Zzt3vCtMpSgda/L25Y3/H0Fz+aGyInWelQz0QHPVqIMqD91ZzdSCTRs56rUbp46G
 QL7tiOSft7Z2vo8SWapK6/YN+zM9+Q0H7E9dl8KqPCyzyR9ONqBk3zxkQ1aFdNcF
 1OflyFZhVTnyewVQcLrGmLdWv3iNncvnCNxBDXqkgI1iUp8FZ3kzaKdEAn2Z/Z4L
 LteoTmFyhS0H/aB575aKpV5Y5qufqMxJ8dejvDptBgJL93RaviDGVIXCJvavlRJ4
 xJH6xiet5hLOKysyiyUnAQYOJUKOZF2SCBETMCCzynT385zqeVY/XRH0N1TfwJZ2
 eChTfQo+XsVzKK9wxLAn4YZHZLcELP010SV/80BSQCkIXtYYhaA0GKBu11gHPrdX
 AgAy5hdZ3/yPpQhaouJJvlN8cfn0UvVIyTTqFOegbUjv94yKNiMC1M2qbNtSGtCF
 PFs9E27TbYYwzjq+15JXESouCVs60N3TqhpFwALaZSvhbttPGyrSBnBNClY/CD1I
 qx2wK9GXXfu+awasDsGubOyU
 =ncUA
 -----END PGP SIGNATURE-----

Merge tag 'rpmsg-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull rpmsg updates from Bjorn Andersson:
 "This adds pr_fmt for the rpmsg_char driver, fixes error handling in
  rpmsg_dev_probe() and corrects the spelling of "Return:" in various
  places, in order to fix kerneldoc"

* tag 'rpmsg-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  rpmsg: core: Clean up resources on announce_create failure.
  rpmsg: Fix documentation return formatting
  rpmsg: char: Add pr_fmt() to prefix messages
2022-01-18 09:27:40 +02:00
Jamie Hill-Daniel 722d94847d vfs: fs_context: fix up param length parsing in legacy_parse_param
The "PAGE_SIZE - 2 - size" calculation in legacy_parse_param() is an
unsigned type so a large value of "size" results in a high positive
value instead of a negative value as expected.  Fix this by getting rid
of the subtraction.

Signed-off-by: Jamie Hill-Daniel <jamie@hill-daniel.co.uk>
Signed-off-by: William Liu <willsroot@protonmail.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-01-18 09:23:19 +02:00
Linus Torvalds 8357f6fb3d More power management updates for 5.17-rc1
This is a continuation of the rework of device power management
 macros used for declaring device power management callbacks (Paul
 Cercueil).
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmHlrb8SHHJqd0Byand5
 c29ja2kubmV0AAoJEILEb/54YlRxI9AP/0t2eeRYNc3i7DUpdMumkF4EQcotMCdR
 uXkZAUjqINNCaR6dpke1rXnqTC4LSqUtwjy7aOUCZVON8/V2O+TaVG1QQNMrvxpL
 ++BLv4BDkBN0hyOIEpxTQR5CZrFoI/7A+lsBlnLjSlvd3d+0DQBEYxZGuxiSHRGj
 7G3pTwNdRB8TFxU9ynn1c2otTczZcbTnef//LE376TK+wRS9zLw9TyA5todcl4Rj
 j7zza1K6pFG6tUby3ewr/TVVWbNwXGVFO+npYptQaiTnCTm5IZpiC6gZEfvXPSbG
 ltOoakikopZvmcoi4ZQ8YzROuu+T/itBws/h5ZgMl+A4aSGOE+4Q+7RcL1RuGZX8
 9eRFtA3VvDZMKpqXjqLiCt3XvzvZ25eFspmZEf0CwyJpO/G2Vog82abliCtpKsDT
 ErTXjgZtpfIO+/EMsc1to5UlmcO2vr5vZNc+aREIAndZPp/5dnU4QM74mcjNtUW/
 DOMoGuf5Z2ZMcsa4WrZUwf+rwi+Pjh59rugmErGL2b7SNsRX612cy4hMNhlx2MpG
 jA0BueesX+bCyxjd1ROPBMHsNWw2zG1zJu0Ut1HFuvoVv8wCQDdykrOn6jzeDyQu
 DP5hZhw4a9KqDI9qx5zCZA0MaCzhpooVRjcnyL3VPumQ/1VBCeN7fla/O1UwK/FU
 lPwArcy3aSw9
 =psFp
 -----END PGP SIGNATURE-----

Merge tag 'pm-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "This is a continuation of the rework of device power management macros
  used for declaring device power management callbacks (Paul Cercueil)"

* tag 'pm-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  iio: pressure: bmp280: Use new PM macros
  PM: runtime: Add EXPORT[_GPL]_RUNTIME_DEV_PM_OPS macros
  PM: runtime: Add DEFINE_RUNTIME_DEV_PM_OPS() macro
  PM: core: Add EXPORT[_GPL]_SIMPLE_DEV_PM_OPS macros
  PM: core: Remove static qualifier in DEFINE_SIMPLE_DEV_PM_OPS macro
  PM: core: Remove DEFINE_UNIVERSAL_DEV_PM_OPS() macro
2022-01-18 09:13:30 +02:00
Linus Torvalds 6a8d7fbf1c More ACPI updates for 5.17-rc1
- Add support for the the Platform Firmware Runtime Update and
    Telemetry (PFRUT) interface based on ACPI to allow certain pieces
    of the platform firmware to be updated without restarting the
    system and to provide a mechanism for collecting platform firmware
    telemetry data (Chen Yu, Dan Carpenter, Yang Yingliang).
 
  - Ignore E820 reservations covering PCI host bridge windows on
    sufficiently recent x86 systems to avoid issues with allocating
    PCI BARs on systems where the E820 reservations cover the entire
    PCI host bridge memory window returned by the _CRS object in the
    system's ACPI tables (Hans de Goede).
 
  - Fix and clean up acpi_scan_init() (Rafael Wysocki).
 
  - Add more sanity checking to ACPI SPCR tables parsing (Mark
    Langsdorf).
 
  - Fix up ACPI APD (AMD Soc) driver initialization (Jiasheng Jiang).
 
  - Drop unnecessary "static" from the ACPI PCC address space handling
    driver added recently (kernel test robot).
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmHlrTwSHHJqd0Byand5
 c29ja2kubmV0AAoJEILEb/54YlRxQ00QAI3CYIyM+TtgxOkun/DQdHEtLOXxVsQG
 V9p9zNa0xFjQY2fE3wwa4r03fg/AfM+qqOdgZDg2QnUlHVx+ZqzNlxMVnYz2QK3P
 lhZUJ2sX0ziAYC5AJFP44mcU4yAFgqGgUgv6VUGdoG2khngKA5ds1qYPqdNMigGr
 lfAoro2tVpKL66czvglBM6Af0RIrZvmh5dpwtja1tfquAy2qLOLfwBIafdFjrTS8
 nVckdBNTgd12BxMaTlEIr8ZKX9Qe/YI0s+avzLc/lMI8gBlG0ZkGczDHxjLE48iE
 ZHwttNJm6PKR6Sj5AwXjswkW0n0aqVz1BbeDgdeL9zB6WbH9+EQaQFqYIc1pNyGG
 f67c8YwGFPMGx3BKdTksFESKb6DZifc1zbye3OKLxQquaWmufmhmQDVuXZzcfRO3
 dkhIngX/sieEWwj1P1WdaDO4vC2zG2devJhxu3WGV8HCAHsZUoBduUwk+YZUVyp3
 y+imobCCGEKZnHxtqJg7+VnQnH8ZTHFgOyqGa0boI5M8Dkae+qCcPCRDxHNa7L+7
 Hb1eCH5RbB4MKQj/dmf01vpy/Q3gZOMHOoOHyMWp+IveculjcCxOIVZN0YQizj+3
 Nw+1dcJLM6iR21f63zOQkoOhoFchp88IDc1PJtJnZOvI49Q9YB/2HKQdBGn292ZL
 +e3TWGpsfaZW
 =I4UB
 -----END PGP SIGNATURE-----

Merge tag 'acpi-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI updates from Rafael Wysocki:
 "The most significant item here is the Platform Firmware Runtime Update
  and Telemetry (PFRUT) support designed to allow certain pieces of the
  platform firmware to be updated on the fly, among other things.

  Also important is the e820 handling change on x86 that should work
  around PCI BAR allocation issues on some systems shipping since 2019.

  The rest is just a handful of assorted fixes and cleanups on top of
  the ACPI material merged previously.

  Specifics:

   - Add support for the the Platform Firmware Runtime Update and
     Telemetry (PFRUT) interface based on ACPI to allow certain pieces
     of the platform firmware to be updated without restarting the
     system and to provide a mechanism for collecting platform firmware
     telemetry data (Chen Yu, Dan Carpenter, Yang Yingliang).

   - Ignore E820 reservations covering PCI host bridge windows on
     sufficiently recent x86 systems to avoid issues with allocating PCI
     BARs on systems where the E820 reservations cover the entire PCI
     host bridge memory window returned by the _CRS object in the
     system's ACPI tables (Hans de Goede).

   - Fix and clean up acpi_scan_init() (Rafael Wysocki).

   - Add more sanity checking to ACPI SPCR tables parsing (Mark
     Langsdorf).

   - Fix up ACPI APD (AMD Soc) driver initialization (Jiasheng Jiang).

   - Drop unnecessary "static" from the ACPI PCC address space handling
     driver added recently (kernel test robot)"

* tag 'acpi-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: PCC: pcc_ctx can be static
  ACPI: scan: Rename label in acpi_scan_init()
  ACPI: scan: Simplify initialization of power and sleep buttons
  ACPI: scan: Change acpi_scan_init() return value type to void
  ACPI: SPCR: check if table->serial_port.access_width is too wide
  ACPI: APD: Check for NULL pointer after calling devm_ioremap()
  x86/PCI: Ignore E820 reservations for bridge windows on newer systems
  ACPI: pfr_telemetry: Fix info leak in pfrt_log_ioctl()
  ACPI: pfr_update: Fix return value check in pfru_write()
  ACPI: tools: Introduce utility for firmware updates/telemetry
  ACPI: Introduce Platform Firmware Runtime Telemetry driver
  ACPI: Introduce Platform Firmware Runtime Update device driver
  efi: Introduce EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER and corresponding structures
2022-01-18 08:51:51 +02:00
Linus Torvalds e3a8b6a1e7 slab changes for 5.17 - part 2
-----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCAAdFiEEjUuTAak14xi+SF7M4CHKc/GJqRAFAmHliSgACgkQ4CHKc/GJ
 qRDPhAgAjvSnw9q4vBW2nqDAQ9Iapz8XAVDmTzaT/Bnbt9MMF8hf+BDBsqq0MC4C
 aEa/vgPOTs9hNv+H0r3v2bkiGs0n6cA6jdUoFo272qlV+mOJbhcpCb7scX2P1vqn
 mzZDe3y9qAoPoQnHs8zausqeIsTjuTVCpMdW1ONeGoF1HHScI22Z+XLwz9hNeit5
 6ICZvwsD7raD3iVxG+LWA2dP9iq4+frlovO62LOkPX55QNJzWICzukog+05WyaxH
 v07GIbBioSGd8DBdgkgRfHh5CdHVTjWPXDywTFpWf966jAH+OcsaEd9k7zYvzIhK
 p/8mylhPyObHHrvLZfK9iLQgyiFa2A==
 =i+Cl
 -----END PGP SIGNATURE-----

Merge tag 'slab-for-5.17-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull more slab updates from Vlastimil Babka:
 "Finish the conversion to struct slab by removing slab-specific fields
  from struct page.

  The first slab update (see merge commit ca1a46d6f5) did most of the
  conversion, but there was also series in iommu tree removing the
  iommu's usage of struct page 'freelist' field, blocking the final
  struct page cleanup.

  Now that the iommu changes have been merged, we can finish the job"

* tag 'slab-for-5.17-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  mm: Remove slab from struct page
2022-01-18 06:40:47 +02:00
Linus Torvalds 62b488875c Fixes for ARC for 5.17
-----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEOXpuCuR6hedrdLCJadfx3eKKwl4FAmHk4FkACgkQadfx3eKK
 wl6L+w//VrYL3q1+eGCXUjcqNPIRVqwLfijWnoWUTeYWG3RriwbeY8mZA1w9V+1M
 kQUmvUrJUI9qhSVA/7poNmhrSYbKjnAJbHpaEQi440SD1GGB5bP9Mml6Y47lslpB
 Y4j3TnijvZvm53zeBFuL1MqRX2kyh+tfT6LyyXPV2zDc32l+MGS8sh0l/SBrFOqk
 w6Z2zqkBwBCUSjPyFdQFwb33ls2djo/DFsd/imd9OrTjiv63ia45W+0V+ko8rYhH
 mj/MMVOmXH8UJz4XK2UmnOYRRZabOHwldjRPJ9HF/JlQqflIqX2eAqPnfTiM6wjQ
 jjxGdQrOh6WWEh8BwjugVmJvuFYnQocJE7Op6Zt3bYfSUM3BKrP1g6k8IGv1faJP
 OjsTEQbhlwuM2o8/L3ywWWbHbMZVLDaYF+OTLP8NoWPDYfv/pdOKQ0VIIjXLNfip
 aDPp0S4UEOO9Lk2rDwRk8yQN8JS99j59YGkLIXAWp6TRGXxq5ERcN0FYIgs43AAK
 0W96hPBlSTCDkLvw4eXoPPMYNV+JjRmkokzxK8aMLm9dOefnm6SSpnZ5UiV3c20m
 dT17bfRMwMEjDxV87jqklUd006Eey32VunRDWGL3VSvmmzOJjvrlHzhKXbjxJhCk
 2w7A6KnDjzeRuvdd9v9Z1Zil0IZxlkKLuEGJI9McL7i0Y4NehaY=
 =UsL8
 -----END PGP SIGNATURE-----

Merge tag 'arc-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC fixes from Vineet Gupta:
 "Nothing too exciting for now"

* tag 'arc-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  arc: use swap() to make code cleaner
  arc: perf: Move static structs to where they're really used
  ARC: perf: fix misleading comment about pmu vs counter stop
  arc: Replace lkml.org links with lore
  ARC: perf: Remove redundant initialization of variable idx
  ARC: thread_info.h: correct two typos in a comment
2022-01-18 06:36:35 +02:00
Linus Torvalds 57d17378a4 perf tools changes for v5.17: 1st batch
New features:
 
 - Add 'trace' subcommand for 'perf ftrace', setting the stage for more
   'perf ftrace' subcommands. Not using a subcommand yields the previous
   behaviour of 'perf ftrace'.
 
 - Add 'latency' subcommand to 'perf ftrace', that can use the function
   graph tracer or a BPF optimized one, via the -b/--use-bpf option.
 
   E.g.:
 
   $ sudo perf ftrace latency -a -T mutex_lock sleep 1
   #   DURATION     |      COUNT | GRAPH                          |
        0 - 1    us |       4596 | ########################       |
        1 - 2    us |       1680 | #########                      |
        2 - 4    us |       1106 | #####                          |
        4 - 8    us |        546 | ##                             |
        8 - 16   us |        562 | ###                            |
       16 - 32   us |          1 |                                |
       32 - 64   us |          0 |                                |
       64 - 128  us |          0 |                                |
      128 - 256  us |          0 |                                |
      256 - 512  us |          0 |                                |
      512 - 1024 us |          0 |                                |
        1 - 2    ms |          0 |                                |
        2 - 4    ms |          0 |                                |
        4 - 8    ms |          0 |                                |
        8 - 16   ms |          0 |                                |
       16 - 32   ms |          0 |                                |
       32 - 64   ms |          0 |                                |
       64 - 128  ms |          0 |                                |
      128 - 256  ms |          0 |                                |
      256 - 512  ms |          0 |                                |
      512 - 1024 ms |          0 |                                |
        1 - ...   s |          0 |                                |
 
   The original implementation of this command was in the bcc tool.
 
 - Support --cputype option for hybrid events in 'perf stat'.
 
 Improvements:
 
 - Call chain improvements for ARM64.
 
 - No need to do any affinity setup when profiling pids.
 
 - Reduce multiplexing with duration_time in 'perf stat' metrics.
 
 - Improve error message for uncore events, stating that some event groups are
   can only be used in system wide (-a) mode.
 
 - perf stat metric group leader fixes/improvements, including arch specific
   changes to better support Intel topdown events.
 
 - Probe non-deprecated sysfs path 1st, i.e. try /sys/devices/system/cpu/cpuN/topology/thread_siblings
   first, then the old /sys/devices/system/cpu/cpuN/topology/core_cpus.
 
 - Disable debuginfod by default in 'perf record', to avoid stalls on distros
   such as Fedora 35.
 
 - Use unbuffered output in 'perf bench' when pipe/tee'ing to a file.
 
 - Enable ignore_missing_thread in 'perf trace'
 
 Fixes:
 
 - Avoid TUI crash when navigating in the annotation of recursive functions.
 
 - Fix hex dump character output in 'perf script'.
 
 - Fix JSON indentation to 4 spaces standard in the ARM vendor event files.
 
 - Fix use after free in metric__new().
 
 - Fix IS_ERR_OR_NULL() usage in the perf BPF loader.
 
 - Fix up cross-arch register support, i.e. when printing register names take
   into account the architecture where the perf.data file was collected.
 
 - Fix SMT fallback with large core counts.
 
 - Don't lower case MetricExpr when parsing JSON files so as not to lose info
   such as the ":G" event modifier in metrics.
 
 perf test:
 
 - Add basic stress test for sigtrap handling to 'perf test'.
 
 - Fix 'perf test' failures on s/390
 
 - Enable system wide for metricgroups test in 'perf test´.
 
 - Use 3 digits for test numbering now we can have more tests.
 
 Arch specific:
 
 - Add events for Arm Neoverse N2 in the ARM JSON vendor event files
 
 - Support PERF_MEM_LVLNUM encodings in powerpc, that came from a single
   patch series, where I incorrectly merged the kernel bits, that were then
   reverted after coordination with Michael Ellerman and Stephen Rothwell.
 
 - Add ARM SPE total latency as PERF_SAMPLE_WEIGHT.
 
 - Update AMD documentation, with info on raw event encoding.
 
 - Add support for global and local variants of the "p_stage_cyc" sort key,
   applicable to perf.data files collected on powerpc.
 
 - Remove duplicate and incorrect aux size checks in the ARM CoreSight ETM code.
 
 Refactorings:
 
 - Add a perf_cpu abstraction to disambiguate CPUs and CPU map indexes, fixing
   problems along the way.
 
 - Document CPU map methods.
 
 UAPI sync:
 
 - Update arch/x86/lib/mem{cpy,set}_64.S copies used in 'perf bench mem memcpy'
 
 - Sync UAPI files with the kernel sources: drm, msr-index, cpufeatures.
 
 Build system
 
 - Enable warnings through HOSTCFLAGS.
 
 - Drop requirement for libstdc++.so for libopencsd check
 
 libperf:
 
 - Make libperf adopt perf_counts_values__scale() from tools/perf/util/.
 
 - Add a stat multiplexing test to libperf.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCYeQj6AAKCRCyPKLppCJ+
 JwyWAQCBmU8OJxhSJQnNCwTB9zNkPPBbihvIztepOJ7zsw7JcQD+KfAidHGQvI/Y
 EmXIYkmdNkWPYJafONllnKK5cckjxgI=
 =aj9V
 -----END PGP SIGNATURE-----

Merge tag 'perf-tools-for-v5.17-2022-01-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tool updates from Arnaldo Carvalho de Melo:
 "New features:

   - Add 'trace' subcommand for 'perf ftrace', setting the stage for
     more 'perf ftrace' subcommands. Not using a subcommand yields the
     previous behaviour of 'perf ftrace'.

   - Add 'latency' subcommand to 'perf ftrace', that can use the
     function graph tracer or a BPF optimized one, via the -b/--use-bpf
     option.

     E.g.:

	$ sudo perf ftrace latency -a -T mutex_lock sleep 1
	#   DURATION     |      COUNT | GRAPH                          |
	     0 - 1    us |       4596 | ########################       |
	     1 - 2    us |       1680 | #########                      |
	     2 - 4    us |       1106 | #####                          |
	     4 - 8    us |        546 | ##                             |
	     8 - 16   us |        562 | ###                            |
	    16 - 32   us |          1 |                                |
	    32 - 64   us |          0 |                                |
	    64 - 128  us |          0 |                                |
	   128 - 256  us |          0 |                                |
	   256 - 512  us |          0 |                                |
	   512 - 1024 us |          0 |                                |
	     1 - 2    ms |          0 |                                |
	     2 - 4    ms |          0 |                                |
	     4 - 8    ms |          0 |                                |
	     8 - 16   ms |          0 |                                |
	    16 - 32   ms |          0 |                                |
	    32 - 64   ms |          0 |                                |
	    64 - 128  ms |          0 |                                |
	   128 - 256  ms |          0 |                                |
	   256 - 512  ms |          0 |                                |
	   512 - 1024 ms |          0 |                                |
	     1 - ...   s |          0 |                                |

     The original implementation of this command was in the bcc tool.

   - Support --cputype option for hybrid events in 'perf stat'.

  Improvements:

   - Call chain improvements for ARM64.

   - No need to do any affinity setup when profiling pids.

   - Reduce multiplexing with duration_time in 'perf stat' metrics.

   - Improve error message for uncore events, stating that some event
     groups are can only be used in system wide (-a) mode.

   - perf stat metric group leader fixes/improvements, including arch
     specific changes to better support Intel topdown events.

   - Probe non-deprecated sysfs path first, i.e. try the path
     /sys/devices/system/cpu/cpuN/topology/thread_siblings first, then
     the old /sys/devices/system/cpu/cpuN/topology/core_cpus.

   - Disable debuginfod by default in 'perf record', to avoid stalls on
     distros such as Fedora 35.

   - Use unbuffered output in 'perf bench' when pipe/tee'ing to a file.

   - Enable ignore_missing_thread in 'perf trace'

  Fixes:

   - Avoid TUI crash when navigating in the annotation of recursive
     functions.

   - Fix hex dump character output in 'perf script'.

   - Fix JSON indentation to 4 spaces standard in the ARM vendor event
     files.

   - Fix use after free in metric__new().

   - Fix IS_ERR_OR_NULL() usage in the perf BPF loader.

   - Fix up cross-arch register support, i.e. when printing register
     names take into account the architecture where the perf.data file
     was collected.

   - Fix SMT fallback with large core counts.

   - Don't lower case MetricExpr when parsing JSON files so as not to
     lose info such as the ":G" event modifier in metrics.

  perf test:

   - Add basic stress test for sigtrap handling to 'perf test'.

   - Fix 'perf test' failures on s/390

   - Enable system wide for metricgroups test in 'perf test´.

   - Use 3 digits for test numbering now we can have more tests.

  Arch specific:

   - Add events for Arm Neoverse N2 in the ARM JSON vendor event files

   - Support PERF_MEM_LVLNUM encodings in powerpc, that came from a
     single patch series, where I incorrectly merged the kernel bits,
     that were then reverted after coordination with Michael Ellerman
     and Stephen Rothwell.

   - Add ARM SPE total latency as PERF_SAMPLE_WEIGHT.

   - Update AMD documentation, with info on raw event encoding.

   - Add support for global and local variants of the "p_stage_cyc" sort
     key, applicable to perf.data files collected on powerpc.

   - Remove duplicate and incorrect aux size checks in the ARM CoreSight
     ETM code.

  Refactorings:

   - Add a perf_cpu abstraction to disambiguate CPUs and CPU map
     indexes, fixing problems along the way.

   - Document CPU map methods.

  UAPI sync:

   - Update arch/x86/lib/mem{cpy,set}_64.S copies used in 'perf bench
     mem memcpy'

   - Sync UAPI files with the kernel sources: drm, msr-index,
     cpufeatures.

  Build system

   - Enable warnings through HOSTCFLAGS.

   - Drop requirement for libstdc++.so for libopencsd check

  libperf:

   - Make libperf adopt perf_counts_values__scale() from tools/perf/util/.

   - Add a stat multiplexing test to libperf"

* tag 'perf-tools-for-v5.17-2022-01-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (115 commits)
  perf record: Disable debuginfod by default
  perf evlist: No need to do any affinity setup when profiling pids
  perf cpumap: Add is_dummy() method
  perf metric: Fix metric_leader
  perf cputopo: Fix CPU topology reading on s/390
  perf metricgroup: Fix use after free in metric__new()
  libperf tests: Update a use of the new cpumap API
  perf arm: Fix off-by-one directory path
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  tools headers cpufeatures: Sync with the kernel sources
  tools headers UAPI: Update tools's copy of drm.h header
  tools arch: Update arch/x86/lib/mem{cpy,set}_64.S copies used in 'perf bench mem memcpy'
  perf pmu-events: Don't lower case MetricExpr
  perf expr: Add debug logging for literals
  perf tools: Probe non-deprecated sysfs path 1st
  perf tools: Fix SMT fallback with large core counts
  perf cpumap: Give CPUs their own type
  perf stat: Correct first_shadow_cpu to return index
  perf script: Fix flipped index and cpu
  perf c2c: Use more intention revealing iterator
  ...
2022-01-18 06:32:11 +02:00
Linus Torvalds f0033681f0 orangefs: two fixes
Fix the size of a memory allocation in orangefs_bufmap_alloc()
   Christophe JAILLET
 
   use default_groups in kobj_type
   Greg KH
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEIGSFVdO6eop9nER2z0QOqevODb4FAmHlgOQACgkQz0QOqevO
 Db75Ng/+Lruql+eMqjMrmwRf8Rm1tErTjyll1RgynB608xd3A8mzRxk0U9+EQDCJ
 U1fa0N1AJatSDh0X8PLke0lMR1YxGFNs+gmIswz4b0B0tpSuw+oJhUTrYSaeE5ud
 boD+EwCIv7G3bTUqT8eC3sRFGZycIfQUMKS7Ml76OKxQXSd+9BaP4e7s87/kQItI
 oRxBx/AzndLjhQWfPhCGVqYMzetto/pSAQaUfspH/pIAaDYPmuTCBvNf9crMjQ1k
 TI7Pf0CMTGFdki0p5MkhK5co90X28aI+QHaycCtWMvwKxcASU1mKaJ5IqEzholkY
 Q89cEyMeb8RkQjeOC8L1jG1GvkrBJNzdm30NVo4m7uQBp1ExXdvUnQRQ+FnJ7nEP
 SAX5trxIrQuNKq1/hLqxngIQ3/duLxtnaFd9ZwmixTvQUgtxLTQL9Bued1WmcNTR
 Z3VePxyIgqKKsdzzx0uBAd501/T77aB5TwSiVaZQNEDc44oZhr6rricrYP2tjnq4
 3XLsAzb5djPUj3kEhbc4HKPatl67r7LsFumOMjZGnnj2nEsvQLH9o53snWlyfBYS
 40CrulcEiIjD5dgt/xAojhPT20CyqCYH9mJyZ5NfvRlcR30vNT9/okeoFnUyKTB4
 JBhHT/bu89CGD5F1M6G6wHGXNv/szxPDzW08/dUJA+BrZrHOYJQ=
 =OM/4
 -----END PGP SIGNATURE-----

Merge tag 'for-linus-5.17-ofs-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs fixes from Mike Marshall:
 "Two fixes:

   - Fix the size of a memory allocation in orangefs_bufmap_alloc()
     (Christophe JAILLET)

   - Use default_groups in kobj_type (Greg KH)"

* tag 'for-linus-5.17-ofs-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: Fix the size of a memory allocation in orangefs_bufmap_alloc()
  orangefs: use default_groups in kobj_type
2022-01-18 06:26:50 +02:00
Rafael J. Wysocki e3daa2607b Merge branch 'acpi-pfrut'
Merge support for the Platform Firmware Runtime Update and Telemetry
interface based on ACPI.

The interface provided here allows updating certain pieces of the
platform firmware without restarting the system and collecting
platform firmware telemetry data.

This also includes a utility for accesing the new interface from user
space.

* acpi-pfrut:
  ACPI: pfr_telemetry: Fix info leak in pfrt_log_ioctl()
  ACPI: pfr_update: Fix return value check in pfru_write()
  ACPI: tools: Introduce utility for firmware updates/telemetry
  ACPI: Introduce Platform Firmware Runtime Telemetry driver
  ACPI: Introduce Platform Firmware Runtime Update device driver
  efi: Introduce EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER and corresponding structures
2022-01-17 18:25:57 +01:00