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sky2: memory barriers change
authorStephen Hemminger <shemminger@linux-foundation.org>
Mon, 14 May 2007 19:38:15 +0000 (12:38 -0700)
committerJeff Garzik <jeff@garzik.org>
Fri, 18 May 2007 00:43:14 +0000 (20:43 -0400)
Do some memory barrier changes for safety/perfomance:
Don't need read after update to index, mmiowb() followed by read at end
of irq is sufficient.

Signed-off-by: Stephn Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

No differences found
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