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authorPaolo Bonzini <pbonzini@redhat.com>2019-05-24 21:52:46 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-05-31 06:46:00 -0700
commit432ec4fa6cd204692ce0ce6a7bfcf0f5ec0b6633 (patch)
tree94180172734116b19d6097f1f8e6df782f466961 /arch/x86
parent70d33cce97f01c79f2aa951684cf2116ec9ba1c5 (diff)
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KVM: x86: fix return value for reserved EFER
commit 66f61c92889ff3ca365161fb29dd36d6354682ba upstream. Commit 11988499e62b ("KVM: x86: Skip EFER vs. guest CPUID checks for host-initiated writes", 2019-04-02) introduced a "return false" in a function returning int, and anyway set_efer has a "nonzero on error" conventon so it should be returning 1. Reported-by: Pavel Machek <pavel@denx.de> Fixes: 11988499e62b ("KVM: x86: Skip EFER vs. guest CPUID checks for host-initiated writes") Cc: Sean Christopherson <sean.j.christopherson@intel.com> Cc: stable@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/x86.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d0eb37c069b8..be4ba0975a0f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1188,7 +1188,7 @@ static int set_efer(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
u64 efer = msr_info->data;
if (efer & efer_reserved_bits)
- return false;
+ return 1;
if (!msr_info->host_initiated) {
if (!__kvm_valid_efer(vcpu, efer))