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author | Nitin A Kamble <nitin.a.kamble@intel.com> | 2008-11-06 02:37:36 +0300 |
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committer | Avi Kivity <avi@redhat.com> | 2008-12-31 17:52:24 +0300 |
commit | 0853d2c1d849ef69884d2447d90d04007590b72b (patch) | |
tree | 6501a31cffdc2fcb992d66173ad799439b73d118 /arch/x86/kvm | |
parent | fcfdbd266a41d3e41d17666de410a24995fde03a (diff) | |
download | linux-0853d2c1d849ef69884d2447d90d04007590b72b.tar.xz |
KVM: Fix cpuid leaf 0xb loop termination
For cpuid leaf 0xb the bits 8-15 in ECX register define the end of counting
leaf. The previous code was using bits 0-7 for this purpose, which is
a bug.
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r-- | arch/x86/kvm/x86.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 9a4a39cfe6ef..2889a0f359ea 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1276,7 +1276,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX; /* read more entries until level_type is zero */ for (i = 1; *nent < maxnent; ++i) { - level_type = entry[i - 1].ecx & 0xff; + level_type = entry[i - 1].ecx & 0xff00; if (!level_type) break; do_cpuid_1_ent(&entry[i], function, i); |