diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-07-30 18:10:26 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-07-30 18:10:26 -0400 |
| commit | d741dcae5562259841bd2211a0bd7e6c0f909f1e (patch) | |
| tree | efb7fec1fa847c1eb98bd900a144b73c39bbc39a /arch/arm64/include/asm/kvm_host.h | |
| parent | 5e105c88ab4859bc1aedd29e8d2f55e599427035 (diff) | |
| parent | b757b47a2fcba584d4a32fd7ee68faca510ab96f (diff) | |
Merge tag 'kvmarm-fixes-5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/arm64 fixes for Linux 5.8, take #3
- Fix a corner case of a new mapping inheriting exec permission without
and yet bypassing invalidation of the I-cache
- Make sure PtrAuth predicates oinly generate inline code for the
non-VHE hypervisor code
Diffstat (limited to 'arch/arm64/include/asm/kvm_host.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index c3e6fcc664b1..e21d4a01372f 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -380,9 +380,14 @@ struct kvm_vcpu_arch { #define vcpu_has_sve(vcpu) (system_supports_sve() && \ ((vcpu)->arch.flags & KVM_ARM64_GUEST_HAS_SVE)) -#define vcpu_has_ptrauth(vcpu) ((system_supports_address_auth() || \ - system_supports_generic_auth()) && \ - ((vcpu)->arch.flags & KVM_ARM64_GUEST_HAS_PTRAUTH)) +#ifdef CONFIG_ARM64_PTR_AUTH +#define vcpu_has_ptrauth(vcpu) \ + ((cpus_have_final_cap(ARM64_HAS_ADDRESS_AUTH) || \ + cpus_have_final_cap(ARM64_HAS_GENERIC_AUTH)) && \ + (vcpu)->arch.flags & KVM_ARM64_GUEST_HAS_PTRAUTH) +#else +#define vcpu_has_ptrauth(vcpu) false +#endif #define vcpu_gp_regs(v) (&(v)->arch.ctxt.gp_regs) |