On Tue, 2011-03-08 at 17:37 +1100, Benjamin Herrenschmidt wrote: > Instead, keep it static, expose an accessor and use that from > the PowerMac code. Avoids easy namespace collisions and will > make it easier to consolidate with other implementations. > > Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org> > --- > arch/powerpc/include/asm/smp.h | 2 +- > arch/powerpc/kernel/smp.c | 7 ++++++- > arch/powerpc/platforms/powermac/smp.c | 12 ++++++++---- > 3 files changed, 15 insertions(+), 6 deletions(-) > > diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h > index 7e99771..a902a0d 100644 > --- a/arch/powerpc/include/asm/smp.h > +++ b/arch/powerpc/include/asm/smp.h > @@ -45,7 +45,7 @@ extern void migrate_irqs(void); > int generic_cpu_disable(void); > void generic_cpu_die(unsigned int cpu); > void generic_mach_cpu_die(void); > -DECLARE_PER_CPU(int, cpu_state); > +void generic_set_cpu_dead(unsigned int cpu);
Takes a cpu parameter ..
> +void generic_set_cpu_dead(unsigned int cpu)
> +{
> + __get_cpu_var(cpu_state) = CPU_DEAD;
> +}
But doesn't use it.
cheers
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