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authorIngo Molnar <mingo@elte.hu>2006-06-27 02:54:58 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-27 17:32:47 -0700
commitc87e2837be82df479a6bae9f155c43516d2feebc (patch)
treead6ab35f0b78f71abaa7b05185e9e3f97809c6de /kernel/fork.c
parent0cdbee9920fb37eb2dc49b860c2b28862d647adc (diff)
[PATCH] pi-futex: futex_lock_pi/futex_unlock_pi support
This adds the actual pi-futex implementation, based on rt-mutexes. [dino@in.ibm.com: fix an oops-causing race] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Dinakar Guniguntala <dino@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index b664a081fffa..628198a4f28a 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1092,6 +1092,9 @@ static task_t *copy_process(unsigned long clone_flags,
#ifdef CONFIG_COMPAT
p->compat_robust_list = NULL;
#endif
+ INIT_LIST_HEAD(&p->pi_state_list);
+ p->pi_state_cache = NULL;
+
/*
* sigaltstack should be cleared when sharing the same VM
*/