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Message-ID: <YS5u8M97frcjTbJW@arm.com>
Date: Tue, 31 Aug 2021 19:03:28 +0100
From: Catalin Marinas <catalin.marinas@....com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Will Deacon <will@...nel.org>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>
Subject: [GIT PULL] arm64 updates for 5.15
Hi Linus,
Please pull the arm64 updates for 5.15 below. The asymmetric AArch32
support patches were queued via tip/sched/arm64 on top of the scheduler
counterpart. I merged the tip branch into the arm64 tree (based on -rc3)
but since the former was based on -rc6, I had to generate the diffstat
manually (dummy merge with upstream and git show --stat). Hopefully it
matches yours.
Thanks.
The following changes since commit 234b8ab6476c5edd5262e2ff563de9498d60044a:
sched: Introduce dl_task_check_affinity() to check proposed affinity (2021-08-20 12:33:00 +0200)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux tags/arm64-upstream
for you to fetch changes up to 65266a7c6abfa1ad915a362c41bf38576607f1f9:
Merge remote-tracking branch 'tip/sched/arm64' into for-next/core (2021-08-31 09:10:00 +0100)
----------------------------------------------------------------
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.
----------------------------------------------------------------
Alexandru Elisei (1):
arm64: Do not trap PMSNEVFR_EL1
Anshuman Khandual (2):
arm64/kexec: Test page size support with new TGRAN range values
arm64/perf: Replace '0xf' instances with ID_AA64DFR0_PMUVER_IMP_DEF
Catalin Marinas (3):
Merge branches 'for-next/mte', 'for-next/misc' and 'for-next/kselftest', remote-tracking branch 'arm64/for-next/perf' into for-next/core
Merge branch 'for-next/entry' into for-next/core
Merge remote-tracking branch 'tip/sched/arm64' into for-next/core
Changbin Du (1):
arm64: replace in_irq() with in_hardirq()
Jason Wang (3):
arm64: use __func__ to get function name in pr_err
arm64: unnecessary end 'return;' in void functions
arm64: fix typo in a comment
Lingyan Huang (1):
arm64: SSBS/DIT: print SSBS and DIT bit when printing PSTATE
Marc Zyngier (1):
arm64: Document the requirement for SCR_EL3.HCE
Mark Brown (19):
arm64/sme: Document boot requirements for SME
kselftest/arm64: Ignore check_gcr_el1_cswitch binary
arm64/sve: Make fpsimd_bind_task_to_cpu() static
kselftest/arm64: Provide a helper binary and "library" for SVE RDVL
kselftest/arm64: Validate vector lengths are set in sve-probe-vls
kselftest/arm64: Add tests for SVE vector configuration
kselftest/arm64: Add a TODO list for floating point tests
arm64: entry: Add SYM_CODE annotation for __bad_stack
kselftest/arm64: mte: Fix misleading output when skipping tests
kselftest/arm64: pac: Fix skipping of tests on systems without PAC
kselftest/arm64: signal: Add SVE to the set of features we can check for
kselftest/arm64: signal: Support signal frames with SVE register data
kselftest/arm64: signal: Check SVE signal frame shows expected vector length
kselftest/arm64: signal: Verify that signals can't change the SVE vector length
kselftest/arm64: signal: Add test case for SVE register state in signals
kselftest/arm64: signal: Add a TODO list for signal handling tests
arm64/sve: Add some comments for sve_save/load_state()
arm64/sve: Add a comment documenting the binutils needed for SVE asm
arm64/sve: Better handle failure to allocate SVE register storage
Mark Rutland (7):
arm64: kasan: mte: use a constant kernel GCR_EL1 value
arm64: kasan: mte: remove redundant mte_report_once logic
arm64: entry: consolidate entry/exit helpers
arm64: entry: clarify entry/exit helpers
arm64: entry: move bulk of ret_to_user to C
arm64: entry: call exit_to_user_mode() from C
arm64: head: avoid over-mapping in map_memory
Masahiro Yamada (1):
arm64: move the (z)install rules to arch/arm64/Makefile
Peter Collingbourne (8):
arm64: mte: avoid TFSRE0_EL1 related operations unless in async mode
arm64: mte: rename gcr_user_excl to mte_ctrl
arm64: mte: change ASYNC and SYNC TCF settings into bitfields
arm64: move preemption disablement to prctl handlers
arm64: mte: introduce a per-CPU tag checking mode preference
Documentation: document the preferred tag checking mode feature
arm64: mte: optimize GCR_EL1 modification on kernel entry/exit
arm64: avoid double ISB on kernel entry
Peter Zijlstra (1):
Merge branch 'sched/core'
Shaokun Zhang (1):
arm64: cpufeature: Use defined macro instead of magic numbers
Will Deacon (9):
arm64: mm: Fix TLBI vs ASID rollover
arm64: Implement task_cpu_possible_mask()
arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0
arm64: Prevent offlining first CPU with 32-bit EL0 on mismatched system
arm64: Advertise CPUs capable of running 32-bit applications in sysfs
arm64: Hook up cmdline parameter to allow mismatched 32-bit EL0
arm64: Remove logic to kill 32-bit tasks on 64-bit-only cores
Documentation: arm64: describe asymmetric 32-bit support
arm64: signal32: Drop pointless call to sigdelsetmask()
Xujun Leng (1):
arm64: mm: fix comment typo of pud_offset_phys()
Yee Lee (1):
arm64/cpufeature: Optionally disable MTE via command-line
Documentation/ABI/testing/sysfs-devices-system-cpu | 26 +
Documentation/admin-guide/kernel-parameters.txt | 14 +
Documentation/arm64/asymmetric-32bit.rst | 155 ++++++
Documentation/arm64/booting.rst | 37 +-
Documentation/arm64/index.rst | 1 +
Documentation/arm64/memory-tagging-extension.rst | 48 +-
arch/arm64/Makefile | 7 +-
arch/arm64/boot/Makefile | 8 -
arch/arm64/include/asm/cpufeature.h | 11 +-
arch/arm64/include/asm/el2_setup.h | 13 +-
arch/arm64/include/asm/elf.h | 6 +-
arch/arm64/include/asm/exception.h | 5 +-
arch/arm64/include/asm/fpsimd.h | 1 -
arch/arm64/include/asm/fpsimdmacros.h | 1 +
arch/arm64/include/asm/kernel-pgtable.h | 4 +-
arch/arm64/include/asm/memory.h | 2 -
arch/arm64/include/asm/mmu.h | 29 +-
arch/arm64/include/asm/mmu_context.h | 13 +
arch/arm64/include/asm/mte-kasan.h | 17 -
arch/arm64/include/asm/mte.h | 6 -
arch/arm64/include/asm/pgtable.h | 2 +-
arch/arm64/include/asm/pointer_auth.h | 12 +-
arch/arm64/include/asm/processor.h | 10 +-
arch/arm64/include/asm/simd.h | 2 +-
arch/arm64/include/asm/sysreg.h | 47 +-
arch/arm64/include/asm/tlbflush.h | 13 +-
arch/arm64/kernel/asm-offsets.c | 2 +-
arch/arm64/kernel/cpufeature.c | 58 +-
arch/arm64/kernel/entry-common.c | 219 +++++---
arch/arm64/kernel/entry-fpsimd.S | 13 +
arch/arm64/kernel/entry.S | 114 ++--
arch/arm64/kernel/fpsimd.c | 14 +-
arch/arm64/kernel/head.S | 11 +-
arch/arm64/kernel/idreg-override.c | 2 +
arch/arm64/kernel/mte.c | 180 ++++---
arch/arm64/kernel/perf_event.c | 2 +-
arch/arm64/kernel/pointer_auth.c | 10 +-
arch/arm64/kernel/process.c | 78 ++-
arch/arm64/kernel/ptrace.c | 5 +
arch/arm64/kernel/signal.c | 34 +-
arch/arm64/kernel/signal32.c | 6 +-
arch/arm64/kernel/suspend.c | 1 -
arch/arm64/lib/insn.c | 4 +-
arch/arm64/mm/fault.c | 15 +-
arch/arm64/mm/proc.S | 3 +-
include/linux/kasan-tags.h | 15 +
include/uapi/linux/prctl.h | 11 +-
lib/test_kasan.c | 2 -
mm/kasan/hw_tags.c | 8 -
mm/kasan/kasan.h | 22 +-
tools/testing/selftests/arm64/fp/.gitignore | 2 +
tools/testing/selftests/arm64/fp/Makefile | 11 +-
tools/testing/selftests/arm64/fp/TODO | 4 +
tools/testing/selftests/arm64/fp/rdvl-sve.c | 14 +
tools/testing/selftests/arm64/fp/rdvl.S | 10 +
tools/testing/selftests/arm64/fp/rdvl.h | 8 +
tools/testing/selftests/arm64/fp/sve-probe-vls.c | 5 +
tools/testing/selftests/arm64/fp/vec-syscfg.c | 593 +++++++++++++++++++++
tools/testing/selftests/arm64/mte/.gitignore | 1 +
.../testing/selftests/arm64/mte/mte_common_util.c | 2 +-
tools/testing/selftests/arm64/pauth/pac.c | 10 +-
tools/testing/selftests/arm64/signal/.gitignore | 1 +
.../testing/selftests/arm64/signal/test_signals.h | 2 +
.../selftests/arm64/signal/test_signals_utils.c | 3 +
.../testing/selftests/arm64/signal/testcases/TODO | 2 +
.../testcases/fake_sigreturn_sve_change_vl.c | 92 ++++
.../selftests/arm64/signal/testcases/sve_regs.c | 126 +++++
.../selftests/arm64/signal/testcases/sve_vl.c | 68 +++
.../selftests/arm64/signal/testcases/testcases.c | 34 +-
69 files changed, 1843 insertions(+), 464 deletions(-)
--
Catalin
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