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arm64 MPAM fixes:

Browse source 
- Fix NULL dereference and a false-positive warning when the driver
    probes hardware with surprising version numbers
 
  - Fix writing values to the wrong registers when probing
    cache-utilisation counters. Replace 'NRDY' probing with a version
    that is robust for platforms where the bit is writeable by both
    hardware and software
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 MPAM fixes from Catalin Marinas:

 - Fix NULL dereference and a false-positive warning when the driver
   probes hardware with surprising version numbers

 - Fix writing values to the wrong registers when probing
   cache-utilisation counters. Replace 'NRDY' probing with a version
   that is robust for platforms where the bit is writeable by both
   hardware and software

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm_mpam: Check whether the config array is allocated before destroying it
  arm_mpam: Fix false positive assert failure during mpam_disable()
  arm_mpam: Improve check for whether or not NRDY is hardware managed
  arm_mpam: Pretend that NRDY is always hardware managed
  arm_mpam: Fix monitor instance selection when checking for hardware NRDY
This commit is contained in:
Linus Torvalds 2026-05-15 15:40:25 -07:00
commit 36343a8ff3
2 changed files with 40 additions and 43 deletions
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