diff options
author | Nitin A Kamble <nitin.a.kamble@intel.com> | 2008-11-05 18:37:36 -0500 |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2008-12-31 09:52:24 -0500 |
commit | 0853d2c1d849ef69884d2447d90d04007590b72b (patch) | |
tree | 6501a31cffdc2fcb992d66173ad799439b73d118 /arch/x86/kvm/x86.c | |
parent | fcfdbd266a41d3e41d17666de410a24995fde03a (diff) |
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/x86.c')
-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, | |||
1276 | entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX; | 1276 | entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX; |
1277 | /* read more entries until level_type is zero */ | 1277 | /* read more entries until level_type is zero */ |
1278 | for (i = 1; *nent < maxnent; ++i) { | 1278 | for (i = 1; *nent < maxnent; ++i) { |
1279 | level_type = entry[i - 1].ecx & 0xff; | 1279 | level_type = entry[i - 1].ecx & 0xff00; |
1280 | if (!level_type) | 1280 | if (!level_type) |
1281 | break; | 1281 | break; |
1282 | do_cpuid_1_ent(&entry[i], function, i); | 1282 | do_cpuid_1_ent(&entry[i], function, i); |