[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 1/3] x86/xen: Avoid fast syscall path for Xen PV guests
On Wed, Nov 18, 2015 at 12:21:56PM -0800, Andy Lutomirski wrote: > > diff --git a/arch/x86/include/asm/cpufeature.h > > b/arch/x86/include/asm/cpufeature.h > > index e4f8010..0e4fe5b 100644 > > --- a/arch/x86/include/asm/cpufeature.h > > +++ b/arch/x86/include/asm/cpufeature.h > > @@ -216,6 +216,7 @@ > > #define X86_FEATURE_PAUSEFILTER ( 8*32+13) /* AMD filtered pause intercept > > */ > > #define X86_FEATURE_PFTHRESHOLD ( 8*32+14) /* AMD pause filter threshold */ > > #define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */ > > +#define X86_FEATURE_XENPV ( 8*32+16) /* Xen paravirtual guest */ > > > > This bit is highly magical and I think we need Borislav's ack. Yeah, that should be #define X86_FEATURE_XENPV ( 8*32+16) /* "" Xen paravirtual guest */ ^^ note the empty "". This prevents it from appearing in /proc/cpuinfo. -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix ImendÃrffer, Jane Smithard, Graham Norton, HRB 21284 (AG NÃrnberg) -- _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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