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| author | Sergey Kiselev <sergey.kiselev@intel.com> | 2007-03-22 13:06:18 +0100 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-05-03 09:52:26 +0200 |
| commit | 0e5bf0d0e449f6597870570e8dd17e78ba4d75ff (patch) | |
| tree | 2ac27b98ec801261998c868ed856e1488bcae62e /drivers/kvm | |
| parent | KVM: Remove unused and write-only variables (diff) | |
| download | linux-0e5bf0d0e449f6597870570e8dd17e78ba4d75ff.tar.xz linux-0e5bf0d0e449f6597870570e8dd17e78ba4d75ff.zip | |
KVM: Handle writes to MCG_STATUS msr
Some older (~2.6.7) kernels write MCG_STATUS register during kernel
boot (mce_clear_all() function, called from mce_init()). It's not
currently handled by kvm and will cause it to inject a GPF.
Following patch adds a "nop" handler for this.
Signed-off-by: Sergey Kiselev <sergey.kiselev@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm')
| -rw-r--r-- | drivers/kvm/kvm_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 05235e1751fb..33eade7e237c 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -1467,6 +1467,10 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) printk(KERN_WARNING "%s: MSR_IA32_MC0_STATUS 0x%llx, nop\n", __FUNCTION__, data); break; + case MSR_IA32_MCG_STATUS: + printk(KERN_WARNING "%s: MSR_IA32_MCG_STATUS 0x%llx, nop\n", + __FUNCTION__, data); + break; case MSR_IA32_UCODE_REV: case MSR_IA32_UCODE_WRITE: case 0x200 ... 0x2ff: /* MTRRs */ |