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author | Jonathan Corbet <corbet@lwn.net> | 2024-09-05 14:01:38 -0600 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2024-09-05 14:01:38 -0600 |
commit | d224338aa105bf3c4c4aa8b2ccdbd675c71ffbfe (patch) | |
tree | b7b6b8c98595c89f7ad5307120cb3156708991bc /arch/arm64/kvm/arm.c | |
parent | eb5ed2fae19745fcb7dd0dcfbfbcd8b2847bc5c1 (diff) | |
parent | 431c1646e1f86b949fa3685efc50b660a364c2b6 (diff) | |
download | lwn-d224338aa105bf3c4c4aa8b2ccdbd675c71ffbfe.tar.gz lwn-d224338aa105bf3c4c4aa8b2ccdbd675c71ffbfe.zip |
Merge tag 'v6.11-rc6' into docs-mw
This is done primarily to get a docs build fix merged via another tree so
that "make htmldocs" stops failing.
Diffstat (limited to 'arch/arm64/kvm/arm.c')
-rw-r--r-- | arch/arm64/kvm/arm.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index a7ca776b51ec..9bef7638342e 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -164,6 +164,7 @@ static int kvm_arm_default_max_vcpus(void) /** * kvm_arch_init_vm - initializes a VM data structure * @kvm: pointer to the KVM struct + * @type: kvm device type */ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) { @@ -521,10 +522,10 @@ void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) static void vcpu_set_pauth_traps(struct kvm_vcpu *vcpu) { - if (vcpu_has_ptrauth(vcpu)) { + if (vcpu_has_ptrauth(vcpu) && !is_protected_kvm_enabled()) { /* - * Either we're running running an L2 guest, and the API/APK - * bits come from L1's HCR_EL2, or API/APK are both set. + * Either we're running an L2 guest, and the API/APK bits come + * from L1's HCR_EL2, or API/APK are both set. */ if (unlikely(vcpu_has_nv(vcpu) && !is_hyp_ctxt(vcpu))) { u64 val; @@ -541,16 +542,10 @@ static void vcpu_set_pauth_traps(struct kvm_vcpu *vcpu) * Save the host keys if there is any chance for the guest * to use pauth, as the entry code will reload the guest * keys in that case. - * Protected mode is the exception to that rule, as the - * entry into the EL2 code eagerly switch back and forth - * between host and hyp keys (and kvm_hyp_ctxt is out of - * reach anyway). */ - if (is_protected_kvm_enabled()) - return; - if (vcpu->arch.hcr_el2 & (HCR_API | HCR_APK)) { struct kvm_cpu_context *ctxt; + ctxt = this_cpu_ptr_hyp_sym(kvm_hyp_ctxt); ptrauth_save_keys(ctxt); } |