arm64 fixes for -rc5

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- Fix the recently merged user ABI for the Arm CMN PMU driver filtering
   logic so that the ordering matches the hardware spec
 
 - Fix spurious warning when attempting to read PROT_NONE mappings of
   /dev/mem
 
 - Allow WFxT to be disabled on the command line, which is necessary for
   some configurations of recent Apple SoCs
 
 - Fix EL2 fine-grained trap configuration for the CPU PMU
 
 - Fix MIDR matching when applying CPU errata workarounds in a VM
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:

 - Fix the recently merged user ABI for the Arm CMN PMU driver filtering
   logic so that the ordering matches the hardware spec

 - Fix spurious warning when attempting to read PROT_NONE mappings of
  /dev/mem

 - Allow WFxT to be disabled on the command line, which is necessary for
   some configurations of recent Apple SoCs

 - Fix EL2 fine-grained trap configuration for the CPU PMU

 - Fix MIDR matching when applying CPU errata workarounds in a VM

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/boot: Disable trapping of PMZR_EL0 writes to EL2
  arm64: errata: match the target implementation CPU's own MIDR
  arm64: Add override for WFxT
  arm64: io: Reject non-user protection in ioremap_prot()
  perf/arm-cmn: Fix multi-filter encoding

...

This commit is contained in:

Linus Torvalds 2026-09-24 06:08:15 -07:00

parent 62f4c998b2 2bc6b21871

commit ef33dd4e0a

7 changed files with 59 additions and 32 deletions

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3

Documentation/admin-guide/kernel-parameters.txt

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1

Documentation/arch/arm64/booting.rst

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9

arch/arm64/include/asm/el2_setup.h

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3

arch/arm64/include/asm/io.h

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15

arch/arm64/kernel/cpu_errata.c

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arch/arm64/kernel/pi/idreg-override.c

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58

drivers/perf/arm-cmn.c

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