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| author | Ingo Molnar <mingo@elte.hu> | 2006-07-03 09:25:26 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-04 00:27:09 +0200 |
| commit | 60be6b9a41cb0da0df7a9f11486da56baebf04cd (patch) | |
| tree | 26cb558d0d57183fdbf9136ad54b581328d6f016 /arch/x86_64 | |
| parent | [PATCH] lockdep: annotate enable_in_hardirq() (diff) | |
| download | linux-60be6b9a41cb0da0df7a9f11486da56baebf04cd.tar.xz linux-60be6b9a41cb0da0df7a9f11486da56baebf04cd.zip | |
[PATCH] lockdep: annotate on-stack completions
lockdep needs to have the waitqueue lock initialized for on-stack waitqueues
implicitly initialized by DECLARE_COMPLETION(). Annotate on-stack completions
accordingly.
Has no effect on non-lockdep kernels.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/kernel/smpboot.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 9705a6a384f1..b7c705969791 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -775,6 +775,8 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid) }; DECLARE_WORK(work, do_fork_idle, &c_idle); + lockdep_set_class(&c_idle.done.wait.lock, &waitqueue_lock_key); + /* allocate memory for gdts of secondary cpus. Hotplug is considered */ if (!cpu_gdt_descr[cpu].address && !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) { |