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authorPeter Zijlstra <[email protected]>2014-03-13 19:00:35 +0100
committerIngo Molnar <[email protected]>2014-04-18 14:20:47 +0200
commit09a01c0ccb1837abb28afcfdd668fa0dfabed928 (patch)
tree7ef2ffee4fbfe1b07f88d660b46dad4fef80a05e /scripts/gdb/linux
parentd00a569284b1340c16fe2c148099e077ea09ebc9 (diff)
arch,xtensa: Convert smp_mb__*()
Xtensa SMP has compare-and-swap which is fully serializing, therefore its exising smp_mb__{before,after}_clear_bit() appear unduly heavy. Implement the new barriers as barrier(). Signed-off-by: Peter Zijlstra <[email protected]> Acked-by: Paul E. McKenney <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Cc: Chris Zankel <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Mathieu Desnoyers <[email protected]> Cc: Max Filippov <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'scripts/gdb/linux')
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