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    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 */



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