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Linus Torvalds 3cd86a58f7 arm64 updates for 5.7: 
- In-kernel Pointer Authentication support (previously only offered to
   user space).
 
 - ARM Activity Monitors (AMU) extension support allowing better CPU
   utilisation numbers for the scheduler (frequency invariance).
 
 - Memory hot-remove support for arm64.
 
 - Lots of asm annotations (SYM_*) in preparation for the in-kernel
   Branch Target Identification (BTI) support.
 
 - arm64 perf updates: ARMv8.5-PMU 64-bit counters, refactoring the PMU
   init callbacks, support for new DT compatibles.
 
 - IPv6 header checksum optimisation.
 
 - Fixes: SDEI (software delegated exception interface) double-lock on
   hibernate with shared events.
 
 - Minor clean-ups and refactoring: cpu_ops accessor, cpu_do_switch_mm()
   converted to C, cpufeature finalisation helper.
 
 - sys_mremap() comment explaining the asymmetric address untagging
   behaviour.
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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:
 "The bulk is in-kernel pointer authentication, activity monitors and
  lots of asm symbol annotations. I also queued the sys_mremap() patch
  commenting the asymmetry in the address untagging.

  Summary:

   - In-kernel Pointer Authentication support (previously only offered
     to user space).

   - ARM Activity Monitors (AMU) extension support allowing better CPU
     utilisation numbers for the scheduler (frequency invariance).

   - Memory hot-remove support for arm64.

   - Lots of asm annotations (SYM_*) in preparation for the in-kernel
     Branch Target Identification (BTI) support.

   - arm64 perf updates: ARMv8.5-PMU 64-bit counters, refactoring the
     PMU init callbacks, support for new DT compatibles.

   - IPv6 header checksum optimisation.

   - Fixes: SDEI (software delegated exception interface) double-lock on
     hibernate with shared events.

   - Minor clean-ups and refactoring: cpu_ops accessor,
     cpu_do_switch_mm() converted to C, cpufeature finalisation helper.

   - sys_mremap() comment explaining the asymmetric address untagging
     behaviour"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (81 commits)
  mm/mremap: Add comment explaining the untagging behaviour of mremap()
  arm64: head: Convert install_el2_stub to SYM_INNER_LABEL
  arm64: Introduce get_cpu_ops() helper function
  arm64: Rename cpu_read_ops() to init_cpu_ops()
  arm64: Declare ACPI parking protocol CPU operation if needed
  arm64: move kimage_vaddr to .rodata
  arm64: use mov_q instead of literal ldr
  arm64: Kconfig: verify binutils support for ARM64_PTR_AUTH
  lkdtm: arm64: test kernel pointer authentication
  arm64: compile the kernel with ptrauth return address signing
  kconfig: Add support for 'as-option'
  arm64: suspend: restore the kernel ptrauth keys
  arm64: __show_regs: strip PAC from lr in printk
  arm64: unwind: strip PAC from kernel addresses
  arm64: mask PAC bits of __builtin_return_address
  arm64: initialize ptrauth keys for kernel booting task
  arm64: initialize and switch ptrauth kernel keys
  arm64: enable ptrauth earlier
  arm64: cpufeature: handle conflicts based on capability
  arm64: cpufeature: Move cpu capability helpers inside C file
  ...
2020-03-31 10:05:01 -07:00
..
acpi_object_usage.rst docs: arm64: convert docs to ReST and rename to .rst 2019-06-14 14:20:27 -06:00
amu.rst Documentation: arm64: document support for the AMU extension 2020-03-06 16:02:50 +00:00
arm-acpi.rst docs: arm64: convert docs to ReST and rename to .rst 2019-06-14 14:20:27 -06:00
booting.rst Documentation: arm64: document support for the AMU extension 2020-03-06 16:02:50 +00:00
cpu-feature-registers.rst Merge branch 'for-next/rng' into for-next/core 2020-01-22 11:38:53 +00:00
elf_hwcaps.rst Merge branch 'for-next/rng' into for-next/core 2020-01-22 11:38:53 +00:00
hugetlbpage.rst docs: arm64: convert docs to ReST and rename to .rst 2019-06-14 14:20:27 -06:00
index.rst Documentation: arm64: document support for the AMU extension 2020-03-06 16:02:50 +00:00
kasan-offsets.sh arm64: kasan: Switch to using KASAN_SHADOW_OFFSET 2019-08-09 11:17:11 +01:00
legacy_instructions.rst docs: arm64: convert docs to ReST and rename to .rst 2019-06-14 14:20:27 -06:00
memory.rst docs: arm64: fix trivial spelling enought to enough in memory.rst 2020-02-20 10:03:14 +00:00
perf.txt arm64: docs: Document perf event attributes 2019-04-24 15:46:26 +01:00
pointer-authentication.rst docs: arm64: convert docs to ReST and rename to .rst 2019-06-14 14:20:27 -06:00
silicon-errata.rst irqchip fixes for 5.6, take #2 2020-03-15 10:53:11 +01:00
sve.rst It's been a relatively busy cycle for docs: 2019-07-09 12:34:26 -07:00
tagged-address-abi.rst mm: Avoid creating virtual address aliases in brk()/mmap()/mremap() 2020-02-20 10:03:14 +00:00
tagged-pointers.rst arm64: Relax Documentation/arm64/tagged-pointers.rst 2019-08-27 18:16:20 +01:00