lkml.org 
[lkml]   [2008]   [Jan]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 5/6] powerpc: Use generic per cpu linux-2.6.git
Ingo Molnar wrote:
> * travis@sgi.com <travis@sgi.com> 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).
>
> i needed the fix below to get my powerpc crosscompile build to succeed.
>
> Ingo

Thanks! I double-checked the logs and my ppc build worked. But yes, this was
in the original patch. And wierdly, powerpc was the only arch that had it
dropped.

-Mike
>
> -------------->
> Subject: powerpc: percpu build fix
> From: Ingo Molnar <mingo@elte.hu>
>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> ---
> include/asm-powerpc/percpu.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-x86.q/include/asm-powerpc/percpu.h
> ===================================================================
> --- linux-x86.q.orig/include/asm-powerpc/percpu.h
> +++ linux-x86.q/include/asm-powerpc/percpu.h
> @@ -13,7 +13,7 @@
> #include <asm/paca.h>
>
> #define __per_cpu_offset(cpu) (paca[cpu].data_offset)
> -#define __my_cpu_offset() get_paca()->data_offset
> +#define __my_cpu_offset get_paca()->data_offset
> #define per_cpu_offset(x) (__per_cpu_offset(x))
>
> #endif /* CONFIG_SMP */



\
 
 \ /
  Last update: 2008-01-30 19:41    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site