Messages in this thread | | | Date | Sat, 13 Feb 2010 12:06:12 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH] x86: Print AMD virtualization features in /proc/cpuinfo |
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Ping.
On Fri, Feb 05, 2010 at 01:51:00PM +0100, Joerg Roedel wrote: > Are there any problems with this patch or was it just forgotten :-) > Please let me know. > > Joerg > > On Mon, Dec 14, 2009 at 01:08:41PM +0100, Joerg Roedel wrote: > > This patch adds code to cpu initialization path to detect > > the extended virtualization features of AMD cpus to show > > them in /proc/cpuinfo. > > > > Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> > > --- > > arch/x86/include/asm/cpufeature.h | 4 ++++ > > arch/x86/kernel/cpu/addon_cpuid_features.c | 4 ++++ > > 2 files changed, 8 insertions(+), 0 deletions(-) > > > > diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h > > index 613700f..7dbc1c2 100644 > > --- a/arch/x86/include/asm/cpufeature.h > > +++ b/arch/x86/include/asm/cpufeature.h > > @@ -167,6 +167,10 @@ > > #define X86_FEATURE_FLEXPRIORITY (8*32+ 2) /* Intel FlexPriority */ > > #define X86_FEATURE_EPT (8*32+ 3) /* Intel Extended Page Table */ > > #define X86_FEATURE_VPID (8*32+ 4) /* Intel Virtual Processor ID */ > > +#define X86_FEATURE_NPT (8*32+5) /* AMD Nested Page Table support */ > > +#define X86_FEATURE_LBRV (8*32+6) /* AMD LBR Virtualization support */ > > +#define X86_FEATURE_SVML (8*32+7) /* "svm_lock" AMD SVM locking MSR */ > > +#define X86_FEATURE_NRIPS (8*32+8) /* "nrip_save" AMD SVM next_rip save */ > > > > #if defined(__KERNEL__) && !defined(__ASSEMBLY__) > > > > diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c > > index 468489b..97ad79c 100644 > > --- a/arch/x86/kernel/cpu/addon_cpuid_features.c > > +++ b/arch/x86/kernel/cpu/addon_cpuid_features.c > > @@ -32,6 +32,10 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c) > > static const struct cpuid_bit __cpuinitconst cpuid_bits[] = { > > { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 }, > > { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 }, > > + { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a }, > > + { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a }, > > + { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a }, > > + { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a }, > > { 0, 0, 0, 0 } > > }; > > > > -- > > 1.6.5.4 > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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