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Subject[GIT PULL] arm64 updates for 4.14
Hi Linus,

Please pull the arm64 updates for 4.14 below. There is a minor conflict
in arch/arm64/kernel/fpsimd.c, resolved to the changes introduced in
this pull request (use local_bh_* instead of preempt_*). Thanks.


The following changes since commit aae4e7a8bc44722fe70d58920a36916b1043195e:

Linux 4.13-rc4 (2017-08-06 18:44:49 -0700)

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 d1be5c99a0341249bf6f74eb1cbc3d5fc4ef2be7:

arm64: cleanup {COMPAT_,}SET_PERSONALITY() macro (2017-08-22 18:41:47 +0100)

----------------------------------------------------------------
arm64 updates for 4.14:

- VMAP_STACK support, allowing the kernel stacks to be allocated in
the vmalloc space with a guard page for trapping stack overflows. One
of the patches introduces THREAD_ALIGN and changes the generic
alloc_thread_stack_node() to use this instead of THREAD_SIZE (no
functional change for other architectures)

- Contiguous PTE hugetlb support re-enabled (after being reverted a
couple of times). We now have the semantics agreed in the generic mm
layer together with API improvements so that the architecture code can
detect between contiguous and non-contiguous huge PTEs

- Initial support for persistent memory on ARM: DC CVAP instruction
exposed to user space (HWCAP) and the in-kernel pmem API implemented

- raid6 improvements for arm64: faster algorithm for the delta syndrome
and implementation of the recovery routines using Neon

- FP/SIMD refactoring and removal of support for Neon in interrupt
context. This is in preparation for full SVE support

- PTE accessors converted from inline asm to cmpxchg so that we can
use LSE atomics if available (ARMv8.1)

- Perf support for Cortex-A35 and A73

- Non-urgent fixes and cleanups

----------------------------------------------------------------
Ard Biesheuvel (8):
arm64: neon: replace generic definition of may_use_simd()
arm64: unwind: disregard frame.sp when validating frame pointer
arm64: unwind: reference pt_regs via embedded stack frame
arm64: unwind: remove sp from struct stackframe
md/raid6: use faster multiplication for ARM NEON delta syndrome
md/raid6: implement recovery using ARM NEON intrinsics
arm64: kernel: remove {THREAD,IRQ_STACK}_START_SP
arm64: assembler: allow adr_this_cpu to use the stack pointer

Arnd Bergmann (2):
arm64: fix pmem interface definition
ACPI/IORT: Fix build regression without IOMMU

Catalin Marinas (12):
arm64: neon: Temporarily add a kernel_mode_begin_partial() definition
arm64: neon: Export kernel_neon_busy to loadable modules
Merge branch 'arm64/exception-stack' of git://git.kernel.org/.../mark/linux into for-next/core
Merge tag 'arm64-iort-for-v4.14' of git://git.kernel.org/.../lpieralisi/linux into for-next/core
Merge branch 'arm64/vmap-stack' of git://git.kernel.org/.../mark/linux into for-next/core
Merge branch 'for-next/perf' of git://git.kernel.org/.../will/linux into for-next/core
Merge branch 'for-next/kernel-mode-neon' into for-next/core
arm64: Convert pte handling from inline asm to using (cmp)xchg
kvm: arm64: Convert kvm_set_s2pte_readonly() from inline asm to cmpxchg()
arm64: Move PTE_RDONLY bit handling out of set_pte_at()
arm64: Ignore hardware dirty bit updates in ptep_set_wrprotect()
arm64: Remove the !CONFIG_ARM64_HW_AFDBM alternative code paths

Dave Martin (8):
arm64: neon: Add missing header guard in <asm/neon.h>
arm64: fpsimd: Consistently use __this_cpu_ ops where appropriate
arm64: neon: Allow EFI runtime services to use FPSIMD in irq context
arm64: neon: Remove support for nested or hardirq kernel-mode NEON
arm64: syscallno is secretly an int, make it official
arm64: Abstract syscallno manipulation
arm64: neon: Forbid when irqs are disabled
arm64: neon/efi: Make EFI fpsimd save/restore variables static

Dmitry Safonov (1):
arm64/vdso: Support mremap() for vDSO

Dou Liyang (1):
arm64: numa: Remove the unused parent_node() macro

Ganapatrao Kulkarni (1):
ACPI/IORT: numa: Add numa node mapping for smmuv3 devices

Hoeun Ryu (1):
arm64: kexec: have own crash_smp_send_stop() for crash dump for nonpanic cores

Julien Thierry (4):
arm64: Decode information from ESR upon mem faults
arm64: perf: Connect additional events to pmu counters
arm64: perf: add support for Cortex-A73
arm64: perf: add support for Cortex-A35

Kevin Brodsky (1):
arm64: compat: Remove leftover variable declaration

Mark Rutland (16):
arm64: Add ASM_BUG()
arm64: consistently use bl for C exception entry
arm64: move non-entry code out of .entry.text
arm64: unwind: avoid percpu indirection for irq stack
arm64: remove __die()'s stack dump
fork: allow arch-override of VMAP stack alignment
arm64: factor out PAGE_* and CONT_* definitions
arm64: clean up THREAD_* definitions
arm64: clean up irq stack definitions
arm64: move SEGMENT_ALIGN to <asm/memory.h>
efi/arm64: add EFI_KIMG_ALIGN
arm64: factor out entry stack manipulation
arm64: use an irq stack pointer
arm64: add basic VMAP_STACK support
arm64: add on_accessible_stack()
arm64: add VMAP_STACK overflow detection

Pratyush Anand (1):
arm64: perf: Allow more than one cycle counter to be used

Punit Agrawal (4):
arm64: hugetlb: Handle swap entries in huge_pte_offset() for contiguous hugepages
arm64: hugetlb: Override huge_pte_clear() to support contiguous hugepages
arm64: hugetlb: Override set_huge_swap_pte_at() to support contiguous hugepages
arm64: Re-enable support for contiguous hugepages

Robin Murphy (8):
ACPI/IORT: Handle PCI aliases properly for IOMMUs
arm64: mm: Fix set_memory_valid() declaration
arm64: Convert __inval_cache_range() to area-based
arm64: Expose DC CVAP to userspace
arm64: Handle trapped DC CVAP
arm64: Implement pmem API support
arm64: uaccess: Implement *_flushcache variants
arm64: uaccess: Add the uaccess_flushcache.c file

Steve Capper (5):
arm64: hugetlb: set_huge_pte_at Add WARN_ON on !pte_present
arm64: hugetlb: Introduce pte_pgprot helper
arm64: hugetlb: Spring clean huge pte accessors
arm64: hugetlb: Add break-before-make logic for contiguous entries
arm64: hugetlb: Cleanup setup_hugepagesz

Tai Nguyen (1):
perf: xgene: Remove unnecessary managed resources cleanup

Vladimir Murzin (2):
arm64: dma-mapping: Do not pass data to gen_pool_set_algo()
arm64: dma-mapping: Mark atomic_pool as __ro_after_init

Will Deacon (2):
arm64: perf: Allow standard PMUv3 events to be extended by the CPU type
arm64: perf: Remove redundant entries from CPU-specific event maps

Yury Norov (2):
arm64: introduce separated bits for mm_context_t flags
arm64: cleanup {COMPAT_,}SET_PERSONALITY() macro

Documentation/arm64/cpu-feature-registers.txt | 2 +
Documentation/devicetree/bindings/arm/pmu.txt | 2 +
arch/arm64/Kconfig | 13 ++
arch/arm64/include/asm/Kbuild | 1 -
arch/arm64/include/asm/asm-bug.h | 54 +++++
arch/arm64/include/asm/assembler.h | 25 +-
arch/arm64/include/asm/bug.h | 35 +--
arch/arm64/include/asm/cacheflush.h | 4 +-
arch/arm64/include/asm/cpucaps.h | 3 +-
arch/arm64/include/asm/efi.h | 13 +-
arch/arm64/include/asm/elf.h | 2 -
arch/arm64/include/asm/esr.h | 42 +++-
arch/arm64/include/asm/fpsimd.h | 16 +-
arch/arm64/include/asm/fpsimdmacros.h | 56 -----
arch/arm64/include/asm/hugetlb.h | 9 +-
arch/arm64/include/asm/irq.h | 42 ----
arch/arm64/include/asm/kvm_mmu.h | 21 +-
arch/arm64/include/asm/memory.h | 53 +++++
arch/arm64/include/asm/mmu.h | 2 +
arch/arm64/include/asm/neon.h | 16 +-
arch/arm64/include/asm/numa.h | 3 -
arch/arm64/include/asm/page-def.h | 34 +++
arch/arm64/include/asm/page.h | 12 +-
arch/arm64/include/asm/pgtable-prot.h | 18 +-
arch/arm64/include/asm/pgtable.h | 103 ++++-----
arch/arm64/include/asm/processor.h | 4 +-
arch/arm64/include/asm/ptrace.h | 31 ++-
arch/arm64/include/asm/signal32.h | 2 -
arch/arm64/include/asm/simd.h | 56 +++++
arch/arm64/include/asm/smp.h | 2 +-
arch/arm64/include/asm/stacktrace.h | 61 ++++-
arch/arm64/include/asm/string.h | 4 +
arch/arm64/include/asm/sysreg.h | 1 +
arch/arm64/include/asm/thread_info.h | 13 +-
arch/arm64/include/asm/traps.h | 5 +
arch/arm64/include/asm/uaccess.h | 12 +
arch/arm64/include/uapi/asm/hwcap.h | 1 +
arch/arm64/kernel/asm-offsets.c | 1 +
arch/arm64/kernel/cpufeature.c | 13 ++
arch/arm64/kernel/cpuinfo.c | 1 +
arch/arm64/kernel/entry-fpsimd.S | 24 --
arch/arm64/kernel/entry.S | 283 +++++++++++++++--------
arch/arm64/kernel/fpsimd.c | 170 ++++++++++----
arch/arm64/kernel/head.S | 22 +-
arch/arm64/kernel/hibernate.c | 4 +-
arch/arm64/kernel/irq.c | 40 +++-
arch/arm64/kernel/machine_kexec.c | 2 +-
arch/arm64/kernel/perf_callchain.c | 1 -
arch/arm64/kernel/perf_event.c | 208 +++++++----------
arch/arm64/kernel/probes/uprobes.c | 2 +-
arch/arm64/kernel/process.c | 13 +-
arch/arm64/kernel/ptrace.c | 5 +-
arch/arm64/kernel/return_address.c | 1 -
arch/arm64/kernel/signal.c | 10 +-
arch/arm64/kernel/signal32.c | 2 +-
arch/arm64/kernel/smp.c | 14 +-
arch/arm64/kernel/stacktrace.c | 60 +----
arch/arm64/kernel/time.c | 1 -
arch/arm64/kernel/traps.c | 79 ++++---
arch/arm64/kernel/vdso.c | 15 ++
arch/arm64/kernel/vmlinux.lds.S | 18 +-
arch/arm64/kvm/hyp/s2-setup.c | 2 +-
arch/arm64/lib/Makefile | 2 +
arch/arm64/lib/uaccess_flushcache.c | 47 ++++
arch/arm64/mm/cache.S | 37 ++-
arch/arm64/mm/dma-mapping.c | 4 +-
arch/arm64/mm/fault.c | 77 +++++--
arch/arm64/mm/flush.c | 16 ++
arch/arm64/mm/hugetlbpage.c | 314 +++++++++++++++++++-------
drivers/acpi/arm64/iort.c | 140 +++++++-----
drivers/firmware/efi/libstub/arm64-stub.c | 6 +-
drivers/perf/arm_pmu.c | 6 +
drivers/perf/xgene_pmu.c | 74 ++----
include/linux/raid/pq.h | 1 +
include/linux/thread_info.h | 4 +
kernel/fork.c | 3 +-
lib/raid6/Makefile | 4 +-
lib/raid6/algos.c | 3 +
lib/raid6/neon.uc | 33 ++-
lib/raid6/recov_neon.c | 110 +++++++++
lib/raid6/recov_neon_inner.c | 117 ++++++++++
81 files changed, 1840 insertions(+), 922 deletions(-)
create mode 100644 arch/arm64/include/asm/asm-bug.h
create mode 100644 arch/arm64/include/asm/page-def.h
create mode 100644 arch/arm64/include/asm/simd.h
create mode 100644 arch/arm64/lib/uaccess_flushcache.c
create mode 100644 lib/raid6/recov_neon.c
create mode 100644 lib/raid6/recov_neon_inner.c

--
Catalin

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