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Commit 0d35e162 authored by Matthew McClintock's avatar Matthew McClintock Committed by Benjamin Herrenschmidt
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powerpc/mm: Assume first cpu is boot_cpuid not 0 



arch/powerpc/mm/mmu_context_nohash.c assumes the boot cpu
will always have smp_processor_id() == 0. This patch fixes
that assumption

Signed-off-by: default avatarMatthew McClintock <msm@freescale.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 86250b9d

arch/powerpc/mm/mmu_context_nohash.c

+4 −2
Original line number Diff line number Diff line
@@ -334,7 +334,7 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self, 
	/* We don't touch CPU 0 map, it's allocated at aboot and kept

	 * around forever

	 */

	if (cpu == 0)

	if (cpu == boot_cpuid)

		return NOTIFY_OK;



	switch (action) {
@@ -420,9 +420,11 @@ void __init mmu_context_init(void) 
	 */

	context_map = alloc_bootmem(CTX_MAP_SIZE);

	context_mm = alloc_bootmem(sizeof(void *) * (last_context + 1));

#ifndef CONFIG_SMP

	stale_map[0] = alloc_bootmem(CTX_MAP_SIZE);

#else

	stale_map[boot_cpuid] = alloc_bootmem(CTX_MAP_SIZE);



#ifdef CONFIG_SMP

	register_cpu_notifier(&mmu_context_cpu_nb);

#endif