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authorChris Wilson <chris@chris-wilson.co.uk>2010-12-13 16:54:50 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2010-12-14 11:34:46 +0000
commitb13c2b96bf15b9dd0f1a45fd788f3a3025c5aec6 (patch)
tree6eb68ba8f5e4ec977efc3e087435ef272534915c /drivers/char
parent8d5203ca62539c6ab36a5bc2402c2de1de460e30 (diff)
downloadlinux-b13c2b96bf15b9dd0f1a45fd788f3a3025c5aec6.tar.bz2
drm/i915/ringbuffer: Make IRQ refcnting atomic
In order to enforce the correct memory barriers for irq get/put, we need to perform the actual counting using atomic operations. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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