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ARM: 8098/1: mcs lock: implement wfe-based polling for MCS locking
authorWill Deacon <will.deacon@arm.com>
Wed, 9 Jul 2014 18:31:28 +0000 (19:31 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Fri, 18 Jul 2014 11:29:35 +0000 (12:29 +0100)
This patch introduces a wfe-based polling loop for spinning on contended
MCS locks and waking up corresponding waiters when the lock is released.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/include/asm/mcs_spinlock.h [new file with mode: 0644] patch | blob

diff --cc arch/arm/include/asm/mcs_spinlock.h
Simple merge
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