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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
..
hisilicon drivers/perf: hisi: Simplify hisi_read_sccl_and_ccl_id and its comment 2020-01-10 15:58:57 +00:00
arm_dsu_pmu.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
arm_pmu_acpi.c drivers/perf: arm_pmu_acpi: Fix incorrect checking of gicc pointer 2020-03-02 12:07:35 +00:00
arm_pmu_platform.c perf: Convert to using %pOFn instead of device_node.name 2018-10-01 11:33:17 +01:00
arm_pmu.c drivers/perf: arm_pmu: Fix failure path in PM notifier 2019-07-29 11:43:48 +01:00
arm_smmuv3_pmu.c perf/smmuv3: Use platform_get_irq_optional() for wired interrupt 2020-02-10 18:14:46 +00:00
arm_spe_pmu.c perf: arm_spe: Remove unnecessary zero check on 'nr_pages' 2020-03-02 11:27:21 +00:00
arm-cci.c perf/arm-cci: use devm_platform_ioremap_resource() to simplify code 2019-10-01 12:28:47 +01:00
arm-ccn.c perf: arm-ccn: Use scnprintf() for robustness 2020-03-17 22:45:56 +00:00
fsl_imx8_ddr_perf.c drivers/perf: fsl_imx8_ddr: Correct the CLEAR bit definition 2020-03-02 12:07:19 +00:00
Kconfig drivers/perf: imx_ddr: Add DDR performance counter support to perf 2019-06-13 11:07:57 +01:00
Makefile drivers/perf: imx_ddr: Add DDR performance counter support to perf 2019-06-13 11:07:57 +01:00
qcom_l2_pmu.c perf: Remove dev_err() usage after platform_get_irq() 2019-07-31 17:15:20 +01:00
qcom_l3_pmu.c docs: perf: move to the admin-guide 2019-07-15 09:20:27 -03:00
thunderx2_pmu.c drivers/perf: Add CCPI2 PMU support in ThunderX2 UNCORE driver. 2019-10-29 10:08:46 +00:00
xgene_pmu.c perf: xgene: use devm_platform_ioremap_resource() to simplify code 2019-10-01 12:28:46 +01:00