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(parent: 0729e19) | patch
futex: Add memory barrier commentary to futex_wait_queue_me()
authorDarren Hart <dvhltc@us.ibm.com>
Thu, 24 Sep 2009 18:54:47 +0000 (11:54 -0700)
committerIngo Molnar <mingo@elte.hu>
Thu, 24 Sep 2009 20:30:10 +0000 (22:30 +0200)
commit9beba3c54dd180a26a1da2027cfbe9edfaf9c40e
treeb7ede0a88beb7ee195adf40a7a03140e77ba43eetree | snapshot
parent0729e196147692d84d4c099fcff056eba2ed61d8commit | diff
futex: Add memory barrier commentary to futex_wait_queue_me()

The memory barrier semantics of futex_wait_queue_me() are
non-obvious. Add some commentary to try and clarify it.

Signed-off-by: Darren Hart <dvhltc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Dinakar Guniguntala <dino@in.ibm.com>
Cc: John Stultz <johnstul@us.ibm.com>
LKML-Reference: <20090924185447.694.38948.stgit@Aeon>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/futex.c diff | blob | history
Full containers within linux kernel