Messages in this thread | | | Date | Sat, 1 May 2004 03:48:07 +0200 | From | Andi Kleen <> | Subject | Re: [BUG] 2.6.6-rc2-bk5 mm/slab.c change broke x86-64 SMP |
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> Does this fix? > > diff -puN include/asm-x86_64/processor.h~a include/asm-x86_64/processor.h > --- 25/include/asm-x86_64/processor.h~a Fri Apr 30 11:24:58 2004 > +++ 25-akpm/include/asm-x86_64/processor.h Fri Apr 30 11:25:28 2004 > @@ -20,6 +20,8 @@ > #include <asm/mmsegment.h> > #include <linux/personality.h> > > +#define ARCH_MIN_TASKALIGN L1_CACHE_BYTES
16 should be enough actually. The problem is the FXSAVE instruction that is used to switch the FPU state, and that only requires 16 byte alignment.
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