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| author | Matthew McClintock <msm@freescale.com> | 2010-08-31 13:24:44 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-09-02 14:07:34 +1000 |
| commit | 0d35e1620d2882d74faed90d9ac457bf6c7a0886 (patch) | |
| tree | f6fd2ef4485227ec92306214545441cee7dd91a0 | |
| parent | 86250b9d12caa1a3dee12a7cf638b7dd70eaadb6 (diff) | |
| download | op-kernel-dev-0d35e1620d2882d74faed90d9ac457bf6c7a0886.zip op-kernel-dev-0d35e1620d2882d74faed90d9ac457bf6c7a0886.tar.gz | |
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: Matthew McClintock <msm@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/mm/mmu_context_nohash.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c index ddfd7ad..5ce9984 100644 --- a/arch/powerpc/mm/mmu_context_nohash.c +++ b/arch/powerpc/mm/mmu_context_nohash.c @@ -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 |
