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authorLinus Torvalds <torvalds@linux-foundation.org>2018-07-18 11:08:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-07-18 11:08:44 -0700
commit47f7dc4b845a9fe60c53b84b8c88cf14efd0de7f (patch)
tree5a2f8f10c9e49235ff63bd6858c663ee099470bf /arch/x86/kvm/x86.c
parent3c53776e29f81719efcf8f7a6e30cdf753bee94d (diff)
parente10f7805032365cc11c739a97f226ebb48aee042 (diff)
downloadlinux-47f7dc4b845a9fe60c53b84b8c88cf14efd0de7f.tar.bz2
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini: "Miscellaneous bugfixes, plus a small patchlet related to Spectre v2" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvmclock: fix TSC calibration for nested guests KVM: VMX: Mark VMXArea with revision_id of physical CPU even when eVMCS enabled KVM: irqfd: fix race between EPOLLHUP and irq_bypass_register_consumer KVM/Eventfd: Avoid crash when assign and deassign specific eventfd in parallel. x86/kvmclock: set pvti_cpu0_va after enabling kvmclock x86/kvm/Kconfig: Ensure CRYPTO_DEV_CCP_DD state at minimum matches KVM_AMD kvm: nVMX: Restore exit qual for VM-entry failure due to MSR loading x86/kvm/vmx: don't read current->thread.{fs,gs}base of legacy tasks KVM: VMX: support MSR_IA32_ARCH_CAPABILITIES as a feature MSR
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 0046aa70205a..2b812b3c5088 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1097,6 +1097,7 @@ static u32 msr_based_features[] = {
MSR_F10H_DECFG,
MSR_IA32_UCODE_REV,
+ MSR_IA32_ARCH_CAPABILITIES,
};
static unsigned int num_msr_based_features;
@@ -1105,7 +1106,8 @@ static int kvm_get_msr_feature(struct kvm_msr_entry *msr)
{
switch (msr->index) {
case MSR_IA32_UCODE_REV:
- rdmsrl(msr->index, msr->data);
+ case MSR_IA32_ARCH_CAPABILITIES:
+ rdmsrl_safe(msr->index, &msr->data);
break;
default:
if (kvm_x86_ops->get_msr_feature(msr))