[POWERPC] spufs: simplify state_mutex

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The r/w semaphore to lock the spus was overkill and can be replaced
with a mutex to make it faster, simpler and easier to debug.  It also
helps to allow making most spufs interruptible in future patches.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>

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Christoph Hellwig 2007-02-13 21:36:50 +01:00 • committed by Arnd Bergmann

parent 202557d29e

commit 650f8b0291

3 changed files with 17 additions and 30 deletions

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33

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

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8

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

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6

arch/powerpc/platforms/cell/spufs/spufs.h

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