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authorJiri Slaby <jirislaby@gmail.com>2007-02-12 00:55:11 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:42 -0800
commitc4f28e54d61278203c2bb2aea0679e0a738235d2 (patch)
treed92cf0718084a4e659444741443ee38afb847836 /Documentation/ldm.txt
parent52e7c922f37907ab3cf3445b916fbbc53cbd6c75 (diff)
[PATCH] Video: fb, add true ref_count atomicity
Some of fb drivers uses atomic_t in bad manner, since there are still some race-prone gaps. Use mutexes to protect open/close code sections with ref_count testing and finally use simple uint. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: Denis Oliver Kropp <dok@directfb.org> Cc: James Simmons <jsimmons@infradead.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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