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path: root/arch/arm/include/asm/mcs_spinlock.h
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2014-07-18ARM: 8098/1: mcs lock: implement wfe-based polling for MCS lockingWill Deacon
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>