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Re: [Xen-devel] [PATCH] Enlarge default NR_CPUS to 64 for x86_64
| To: | "Wei, Gang" <gang.wei@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] Enlarge default NR_CPUS to 64 for x86_64 |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Fri, 07 Aug 2009 10:52:21 +0100 |
| Cc: | |
| Delivery-date: | Fri, 07 Aug 2009 02:52:49 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH] Enlarge default NR_CPUS to 64 for x86_64 |
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Shall we just bump it for i386 too? -- Keir On 07/08/2009 10:37, "Wei, Gang" <gang.wei@xxxxxxxxx> wrote: > By far a lot of systems are with more sockets (>=4), more cores (>=8), > meanwhile with HyperThread, so enlarge the default NR_CPUS would easier the > build for more threads systems. > > Jimmy > > ------------------------------------------------------------- > Enlarge default NR_CPUS to 64 for x86_64. > > Signed-off-by: Wei Gang <gang.wei@xxxxxxxxx> > > diff -r b9cdcf502aa3 xen/include/asm-x86/config.h > --- a/xen/include/asm-x86/config.h Thu Aug 06 11:14:48 2009 +0100 > +++ b/xen/include/asm-x86/config.h Fri Aug 07 14:54:06 2009 +0800 > @@ -49,7 +49,11 @@ > #ifdef MAX_PHYS_CPUS > #define NR_CPUS MAX_PHYS_CPUS > #else > +#ifdef __i386__ > #define NR_CPUS 32 > +#else > +#define NR_CPUS 64 > +#endif > #endif > > #ifdef __i386__ _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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