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linux/arch/arm64/lib/delay.c
Marc Zyngier 7d26b0516a arm64: Use WFxT for __delay() when possible 
Marginally optimise __delay() by using a WFIT/WFET sequence.
It probably is a win if no interrupt fires during the delay.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419182755.601427-11-maz@kernel.org
2022-04-20 13:24:44 +01:00

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