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| author | Andrew Jones <drjones@redhat.com> | 2020-08-04 20:05:59 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-08-21 16:04:14 +0300 |
| commit | 38480df564cc68f081bb38998927d164b9010995 (patch) | |
| tree | 7ec18c91b2cec7ce2daf92a05d5b324721e8188f /arch/arm64 | |
| parent | 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 (diff) | |
| download | linux-38480df564cc68f081bb38998927d164b9010995.tar.xz | |
KVM: arm64: pvtime: steal-time is only supported when configured
Don't confuse the guest by saying steal-time is supported when
it hasn't been configured by userspace and won't work.
Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200804170604.42662-2-drjones@redhat.com
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/kvm/pvtime.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/kvm/pvtime.c b/arch/arm64/kvm/pvtime.c index f7b52ce1557e..c3ef4ebd6846 100644 --- a/arch/arm64/kvm/pvtime.c +++ b/arch/arm64/kvm/pvtime.c @@ -43,7 +43,8 @@ long kvm_hypercall_pv_features(struct kvm_vcpu *vcpu) switch (feature) { case ARM_SMCCC_HV_PV_TIME_FEATURES: case ARM_SMCCC_HV_PV_TIME_ST: - val = SMCCC_RET_SUCCESS; + if (vcpu->arch.steal.base != GPA_INVALID) + val = SMCCC_RET_SUCCESS; break; } |