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| author | Oliver Upton <oliver.upton@linux.dev> | 2023-09-20 19:50:31 +0000 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2023-09-21 18:13:28 +0000 |
| commit | be9c0c018389e0722a97ac5cd3152afff1111e37 (patch) | |
| tree | 0eac554530e24e12598a4c2ab5a0021bee14be64 /arch/arm64/kvm/arm.c | |
| parent | 9116db11feb521d9eaa850d3a6a8b713f59c6971 (diff) | |
KVM: arm64: Hoist SVE check into KVM_ARM_VCPU_INIT ioctl handler
Test that the system supports SVE before ever getting to
kvm_reset_vcpu().
Link: https://lore.kernel.org/r/20230920195036.1169791-4-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/kvm/arm.c')
| -rw-r--r-- | arch/arm64/kvm/arm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 18cbd3c9a4d7..e73e134fa2fa 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -1200,6 +1200,9 @@ static unsigned long system_supported_vcpu_features(void) if (!kvm_arm_support_pmu_v3()) clear_bit(KVM_ARM_VCPU_PMU_V3, &features); + if (!system_supports_sve()) + clear_bit(KVM_ARM_VCPU_SVE, &features); + return features; } |