tree 3d3df208380ac7b2fafdd03b5fbcc01d2dedd934
parent 202557d29eae528f464652e92085f3b19b05a0a7
author Christoph Hellwig <hch@lst.de> 1171399010 +0100
committer Arnd Bergmann <arnd@klappe.arndb.de> 1171399957 +0100

[POWERPC] spufs: simplify state_mutex

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>