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percpu: use a kconfig variable to signal arch specific percpu setup

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The use of the __GENERIC_PERCPU is a bit problematic since arches
may want to run their own percpu setup while using the generic
percpu definitions. Replace it through a kconfig variable.

Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
travis@sgi.com 2008-01-30 13:32:51 +01:00 • committed by Ingo Molnar
parent cf8fa920cb
commit b32ef636a5
8 changed files with 14 additions and 7 deletions
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4
init/main.c
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@ -363,7 +363,7 @@ static inline void smp_prepare_cpus(unsigned int maxcpus) { }
#else
#ifdef __GENERIC_PER_CPU
#ifndef CONFIG_ARCH_SETS_UP_PER_CPU_AREA
unsigned long __per_cpu_offset[NR_CPUS] __read_mostly;
EXPORT_SYMBOL(__per_cpu_offset);
@ -384,7 +384,7 @@ static void __init setup_per_cpu_areas(void)
ptr += size;
}
}
#endif /* !__GENERIC_PER_CPU */
#endif /* CONFIG_ARCH_SETS_UP_CPU_AREA */
/* Called by boot processor to activate the rest. */
static void __init smp_init(void)