powerpc/spufs: fix aff_mutex and cbe_spu_info[n].list_mutex deadlock

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Currenlt,, it is possible to lock aff_mutex and
cbe_spu_info[n].list_mutex in different orders, allowing a deadlock to
occur. With this change, aff_mutex is not taken within a list_mutex
critical section anymore.

Signed-off-by: Andre Detsch <adetsch@br.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

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Andre Detsch 2008-07-24 10:57:26 +10:00 • committed by Jeremy Kerr

parent 9bcab8405c

commit 0855b54322

1 changed files with 6 additions and 12 deletions

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arch/powerpc/platforms/cell/spufs/sched.c

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