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omap: mailbox: convert rwlocks to spinlock
authorOhad Ben-Cohen <ohad@wizery.com>
Wed, 5 May 2010 15:33:06 +0000 (15:33 +0000)
committerHiroshi DOYU <Hiroshi.DOYU@nokia.com>
Wed, 4 Aug 2010 12:50:16 +0000 (15:50 +0300)
rwlocks are slower and have potential starvation issues
therefore spinlocks are generally preferred.

see also: http://lwn.net/Articles/364583/

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Kanigeri Hari <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>

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