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Date: Tue, 27 Nov 2007 01:41:55 -0600 From: Kumar Gala <galak@...nel.crashing.org> To: Christoph Lameter <clameter@....com> Cc: akpm@...ux-foundation.org, linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org> Subject: Re: [patch 11/14] Powerpc: Use generic per cpu On Nov 26, 2007, at 6:14 PM, Christoph Lameter wrote: > Powerpc has a way to determine the address of the per cpu area of the > currently executing processor via the paca and the array of per cpu > offsets is avoided by looking up the per cpu area from the remote > paca's (copying x86_64). > > Cc: Paul Mackerras <paulus@...ba.org> > Signed-off-by: Christoph Lameter <clameter@....com> > > --- > include/asm-powerpc/percpu.h | 19 ------------------- > 1 file changed, 19 deletions(-) > > Index: linux-2.6/include/asm-powerpc/percpu.h > =================================================================== > --- linux-2.6.orig/include/asm-powerpc/percpu.h 2007-11-24 > 10:27:31.088350556 -0800 > +++ linux-2.6/include/asm-powerpc/percpu.h 2007-11-24 > 10:29:20.752350757 -0800 > @@ -16,25 +16,6 @@ > #define __my_cpu_offset() get_paca()->data_offset > #define per_cpu_offset(x) (__per_cpu_offset(x)) This concerns me. paca doesn't exist on all PPC platforms. - k - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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