[powerpc changes] Re: x86/non-x86: percpu, node ids, apic ids x86.git fixup

Geoff Levand geoffrey.levand at am.sony.com
Thu Jan 31 08:56:54 EST 2008

Ingo Molnar wrote:
> * Olof Johansson <olof at lixom.net> wrote:
>> > could you try the full patchset that Travis has just sent and which 
>> > i've put into x86.git, you can pull it from:
>> Looks ok for powerpc so far, I haven't gotten through all defconfigs 
>> yet but the first ones that failed before build now. pasemi_defconfig 
>> boots as well.
> could the PowerPC maintainers please Ack the following patch (attached 
> below):
>   Subject: POWERPC: use generic per cpu
>   From: travis at sgi.com
> so that we can push this fix upstream ASAP?
> 	Ingo
> --------------->
> Subject: POWERPC: use generic per cpu
> From: travis at sgi.com
> 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 at samba.org>
> Cc: Geert Uytterhoeven <Geert.Uytterhoeven at sonycom.com>
> Signed-off-by: Mike Travis <travis at sgi.com>
> Signed-off-by: Ingo Molnar <mingo at elte.hu>
> ---
>  include/asm-powerpc/percpu.h |   22 +++-------------------
>  1 file changed, 3 insertions(+), 19 deletions(-)

Tested on PS3 with ps3_defconfig and works OK.

Acked-by: Geoff Levand <geoffrey.levand at am.sony.com>

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