diff options
| author | Marc Zyngier <maz@kernel.org> | 2020-11-12 21:20:43 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-11-12 21:20:43 +0000 |
| commit | 4f6b838c378a52ea3ae0b15f12ca8a20849072fa (patch) | |
| tree | fbd8c2346320f97eda221b9150d787f9006e8b35 /arch/arm64/kvm/hyp | |
| parent | c512298eed0360923d0cbc4a1f30bc0509af0d50 (diff) | |
| parent | 3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff) | |
Merge tag 'v5.10-rc1' into kvmarm-master/next
Linux 5.10-rc1
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/hyp')
| -rw-r--r-- | arch/arm64/kvm/hyp/include/hyp/switch.h | 2 | ||||
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/tlb.c | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h index eeac62b685a9..313a8fa3c721 100644 --- a/arch/arm64/kvm/hyp/include/hyp/switch.h +++ b/arch/arm64/kvm/hyp/include/hyp/switch.h @@ -446,7 +446,7 @@ static inline bool fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code) kvm_vcpu_trap_get_fault_type(vcpu) == FSC_FAULT && kvm_vcpu_dabt_isvalid(vcpu) && !kvm_vcpu_abt_issea(vcpu) && - !kvm_vcpu_dabt_iss1tw(vcpu); + !kvm_vcpu_abt_iss1tw(vcpu); if (valid) { int ret = __vgic_v2_perform_cpuif_access(vcpu); diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c index ad212d8fa417..fbde89a2c6e8 100644 --- a/arch/arm64/kvm/hyp/nvhe/tlb.c +++ b/arch/arm64/kvm/hyp/nvhe/tlb.c @@ -31,7 +31,14 @@ static void __tlb_switch_to_guest(struct kvm_s2_mmu *mmu, isb(); } + /* + * __load_guest_stage2() includes an ISB only when the AT + * workaround is applied. Take care of the opposite condition, + * ensuring that we always have an ISB, but not two ISBs back + * to back. + */ __load_guest_stage2(mmu); + asm(ALTERNATIVE("isb", "nop", ARM64_WORKAROUND_SPECULATIVE_AT)); } static void __tlb_switch_to_host(struct tlb_inv_context *cxt) |