diff options
| author | Marc Zyngier <maz@kernel.org> | 2024-02-14 13:18:25 +0000 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2024-02-19 17:13:02 +0000 |
| commit | 84de212d739ecd16c6289ec4ed47e27b0080bac6 (patch) | |
| tree | b2341700361fed65e6f8e9874e9a1d8ec9a28e78 /arch/arm64/include/asm/kvm_arm.h | |
| parent | b03e8bb5a906ab0b67fe90e636c3ebff8eb0e91c (diff) | |
KVM: arm64: Make FEAT_MOPS UNDEF if not advertised to the guest
We unconditionally enable FEAT_MOPS, which is obviously wrong.
So let's only do that when it is advertised to the guest.
Which means we need to rely on a per-vcpu HCRX_EL2 shadow register.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Link: https://lore.kernel.org/r/20240214131827.2856277-25-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/include/asm/kvm_arm.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_arm.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h index 3c6f8ba1e479..a1769e415d72 100644 --- a/arch/arm64/include/asm/kvm_arm.h +++ b/arch/arm64/include/asm/kvm_arm.h @@ -102,9 +102,7 @@ #define HCR_HOST_NVHE_PROTECTED_FLAGS (HCR_HOST_NVHE_FLAGS | HCR_TSC) #define HCR_HOST_VHE_FLAGS (HCR_RW | HCR_TGE | HCR_E2H) -#define HCRX_GUEST_FLAGS \ - (HCRX_EL2_SMPME | HCRX_EL2_TCR2En | \ - (cpus_have_final_cap(ARM64_HAS_MOPS) ? (HCRX_EL2_MSCEn | HCRX_EL2_MCE2) : 0)) +#define HCRX_GUEST_FLAGS (HCRX_EL2_SMPME | HCRX_EL2_TCR2En) #define HCRX_HOST_FLAGS (HCRX_EL2_MSCEn | HCRX_EL2_TCR2En) /* TCR_EL2 Registers bits */ |