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| author | Jan Beulich <jbeulich@novell.com> | 2011-05-20 13:50:05 +0100 |
|---|---|---|
| committer | Jan Beulich <jbeulich@novell.com> | 2011-05-20 13:50:05 +0100 |
| commit | 8b9f9cabab8adc8fd3a3a58d525a0270ccac801d (patch) | |
| tree | 54d3061e85b0b7b55a4f3ac534ac61b3644fed24 | |
| parent | ee58481b3e2d18d7b9256b8d72c85c568612c862 (diff) | |
| download | xen-8b9f9cabab8adc8fd3a3a58d525a0270ccac801d.tar.gz xen-8b9f9cabab8adc8fd3a3a58d525a0270ccac801d.tar.bz2 xen-8b9f9cabab8adc8fd3a3a58d525a0270ccac801d.zip | |
x86/AMD: don't set ARAT feature flag on family F CPUs
Following Linux commit 14fb57dccb6e1defe9f89a66f548fcb24c374c1d from
Borislav Petkov.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
xen-unstable changeset: 23356:c8f00ee51e15
xen-unstable date: Fri May 20 09:11:54 2011 +0100
| -rw-r--r-- | xen/arch/x86/cpu/amd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/arch/x86/cpu/amd.c b/xen/arch/x86/cpu/amd.c index 9a840bc7d6..368a1edad8 100644 --- a/xen/arch/x86/cpu/amd.c +++ b/xen/arch/x86/cpu/amd.c @@ -609,7 +609,7 @@ static void __devinit init_amd(struct cpuinfo_x86 *c) #endif /* As a rule processors have APIC timer running in deep C states */ - if (c->x86 >= 0xf && !cpu_has_amd_erratum(c, AMD_ERRATUM_400)) + if (c->x86 > 0xf && !cpu_has_amd_erratum(c, AMD_ERRATUM_400)) set_bit(X86_FEATURE_ARAT, c->x86_capability); /* Prevent TSC drift in non single-processor, single-core platforms. */ |