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Merge branch kvm-arm64/spe-trbe-nvhe into kvmarm-master/next

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* kvm-arm64/spe-trbe-nvhe:
  : .
  : Fix SPE and TRBE nVHE world switch which can otherwise result in
  : pretty bad behaviours, as they have the nasty habit of performing
  : out of context speculative page table walks.
  :
  : Patches courtesy of Will Deacon.
  : .
  KVM: arm64: Don't pass host_debug_state to BRBE world-switch routines
  KVM: arm64: Disable SPE Profiling Buffer when running in guest context
  KVM: arm64: Disable TRBE Trace Buffer Unit when running in guest context

Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier
2026-04-08 12:23:58 +01:00
parent 64f2fa630d 7aba10efef
commit 73bb0bc2f4
3 changed files with 95 additions and 25 deletions
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2
arch/arm64/include/asm/kvm_host.h
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@@ -790,8 +790,10 @@ struct kvm_host_data {
struct kvm_guest_debug_arch regs;
/* Statistical profiling extension */
u64 pmscr_el1;
u64 pmblimitr_el1;
/* Self-hosted trace */
u64 trfcr_el1;
u64 trblimitr_el1;
/* Values of trap registers for the host before guest entry. */
u64 mdcr_el2;
u64 brbcr_el1;