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KVM/arm64 fixes for 6.10, take #1

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- Large set of FP/SVE fixes for pKVM, addressing the fallout
   from the per-CPU data rework and making sure that the host
   is not involved in the FP/SVE switching any more
 
 - Allow FEAT_BTI to be enabled with NV now that FEAT_PAUTH
   is copletely supported
 
 - Fix for the respective priorities of Failed PAC, Illegal
   Execution state and Instruction Abort exceptions
 
 - Fix the handling of AArch32 instruction traps failing their
   condition code, which was broken by the introduction of
   ESR_EL2.ISS2
 
 - Allow vpcus running in AArch32 state to be restored in
   System mode
 
 - Fix AArch32 GPR restore that would lose the 64 bit state
   under some conditions
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Merge tag 'kvmarm-fixes-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.10, take #1

- Large set of FP/SVE fixes for pKVM, addressing the fallout
  from the per-CPU data rework and making sure that the host
  is not involved in the FP/SVE switching any more

- Allow FEAT_BTI to be enabled with NV now that FEAT_PAUTH
  is copletely supported

- Fix for the respective priorities of Failed PAC, Illegal
  Execution state and Instruction Abort exceptions

- Fix the handling of AArch32 instruction traps failing their
  condition code, which was broken by the introduction of
  ESR_EL2.ISS2

- Allow vpcus running in AArch32 state to be restored in
  System mode

- Fix AArch32 GPR restore that would lose the 64 bit state
  under some conditions
This commit is contained in:
Paolo Bonzini 2024-06-05 06:32:18 -04:00
commit 45ce0314bf
21 changed files with 391 additions and 73 deletions
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