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Vineet Gupta 1097163870 ARCv2: spinlock/rwlock/atomics: reduce 1 instruction in exponential backoff

The increment of delay counter was 2 instructions:
Arithmatic Shfit Left (ASL) + set to 1 on overflow

This can be done in 1 using ROtate Left (ROL)

Suggested-by: Nigel Topham <ntopham@synopsys.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

2015-08-07 13:56:16 +05:30

boot

ARCv2: [axs103] bump CPU frequency from 75 to 90 MHZ

2015-07-09 17:36:31 +05:30

configs

ARCv2: [vdk] dts files and defconfig for HS38 VDK

2015-06-25 06:00:21 +05:30

include

ARCv2: spinlock/rwlock/atomics: reduce 1 instruction in exponential backoff

2015-08-07 13:56:16 +05:30

kernel

ARCv2: spinlock/rwlock/atomics: Delayed retry of failed SCOND with exponential backoff