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Merge branch kvm-arm64/tlbi-fixes-6.12 into kvmarm-master/next

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* kvm-arm64/tlbi-fixes-6.12:
  : .
  : A couple of TLB invalidation fixes, only affecting pKVM
  : out of tree, courtesy of Will Deacon.
  : .
  KVM: arm64: Ensure TLBI uses correct VMID after changing context
  KVM: arm64: Invalidate EL1&0 TLB entries for all VMIDs in nvhe hyp init

Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier
2024-08-27 18:26:47 +01:00
parent 5be63fc19f ed49fe5a6f
commit 0d56099ed5
2 changed files with 4 additions and 4 deletions
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2
arch/arm64/kvm/hyp/nvhe/hyp-init.S
View File

@@ -130,7 +130,7 @@ alternative_else_nop_endif
/* Invalidate the stale TLBs from Bootloader */
tlbi alle2
tlbi vmalls12e1
tlbi alle1
dsb sy
mov_q x0, INIT_SCTLR_EL2_MMU_ON

6
arch/arm64/kvm/hyp/nvhe/tlb.c
View File

@@ -132,10 +132,10 @@ static void exit_vmid_context(struct tlb_inv_context *cxt)
else
__load_host_stage2();
if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
/* Ensure write of the old VMID */
isb();
/* Ensure write of the old VMID */
isb();
if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
if (!(cxt->sctlr & SCTLR_ELx_M)) {
write_sysreg_el1(cxt->sctlr, SYS_SCTLR);
isb();