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| author | Andi Kleen <ak@suse.de> | 2005-10-10 22:32:45 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-11 01:33:25 +0200 |
| commit | 421c7ce6d001fce28b1fa8fdd2e7ded0ed8a0ad5 (patch) | |
| tree | 7046c3ea354063046288e422cae5142b127b2bed /arch/x86_64/kernel/setup64.c | |
| parent | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 (diff) | |
| download | linux-421c7ce6d001fce28b1fa8fdd2e7ded0ed8a0ad5.tar.xz linux-421c7ce6d001fce28b1fa8fdd2e7ded0ed8a0ad5.zip | |
[PATCH] x86_64: Allocate cpu local data for all possible CPUs
CPU hotplug fills up the possible map to NR_CPUs, but it did that after
setting up per CPU data. This lead to CPU data not getting allocated
for all possible CPUs, which lead to various side effects.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/setup64.c')
| -rw-r--r-- | arch/x86_64/kernel/setup64.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c index bd33be24a386..79190891fbc5 100644 --- a/arch/x86_64/kernel/setup64.c +++ b/arch/x86_64/kernel/setup64.c @@ -87,6 +87,10 @@ void __init setup_per_cpu_areas(void) int i; unsigned long size; +#ifdef CONFIG_HOTPLUG_CPU + prefill_possible_map(); +#endif + /* Copy section for each CPU (we discard the original) */ size = ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES); #ifdef CONFIG_MODULES |