Jan Beulich
2011-May-19 12:09 UTC
[Xen-devel] [PATCH] 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> --- a/xen/arch/x86/cpu/amd.c +++ b/xen/arch/x86/cpu/amd.c @@ -475,7 +475,7 @@ static void __devinit init_amd(struct cp #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. */ _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel