diff options
| author | Nitin A Kamble <nitin.a.kamble@intel.com> | 2009-03-23 17:51:25 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-05-02 10:57:07 -0700 |
| commit | 8e70c4b199e53b33004edbe710ca5425a4b40c94 (patch) | |
| tree | 194f7aa38bc3c704162527971181c9751aaefbd6 /arch | |
| parent | e93d4df4cf013df5ab84c4967b9bfeecbb0f8c0d (diff) | |
KVM: Fix cpuid leaf 0xb loop termination
(cherry picked from 0853d2c1d849ef69884d2447d90d04007590b72b)
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
| -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 4e2135a780b2..d818088f929b 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1218,7 +1218,7 @@ 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); |