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| author | Ingo Molnar <mingo@elte.hu> | 2006-06-27 02:54:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-27 17:32:47 -0700 |
| commit | c87e2837be82df479a6bae9f155c43516d2feebc (patch) | |
| tree | ad6ab35f0b78f71abaa7b05185e9e3f97809c6de /kernel/exit.c | |
| parent | 0cdbee9920fb37eb2dc49b860c2b28862d647adc (diff) | |
| download | lwn-c87e2837be82df479a6bae9f155c43516d2feebc.tar.gz lwn-c87e2837be82df479a6bae9f155c43516d2feebc.zip | |
[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/exit.c')
| -rw-r--r-- | kernel/exit.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 3e8a0282e9a5..ab06b9f88f64 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -926,6 +926,14 @@ fastcall NORET_TYPE void do_exit(long code) tsk->mempolicy = NULL; #endif /* + * This must happen late, after the PID is not + * hashed anymore: + */ + if (unlikely(!list_empty(&tsk->pi_state_list))) + exit_pi_state_list(tsk); + if (unlikely(current->pi_state_cache)) + kfree(current->pi_state_cache); + /* * If DEBUG_MUTEXES is on, make sure we are holding no locks: */ mutex_debug_check_no_locks_held(tsk); |