Re: [PATCH v2] ARM: cpuidle: make arm_cpuidle_suspend() a bit more efficient

From: Daniel Lezcano
Date: Wed Mar 30 2016 - 04:14:17 EST


On 03/30/2016 10:05 AM, Jisheng Zhang wrote:
Dear Daniel,

On Wed, 30 Mar 2016 10:02:02 +0200 Daniel Lezcano wrote:

On 03/30/2016 09:47 AM, Jisheng Zhang wrote:
Currently, we check cpuidle_ops.suspend every time when entering a
low-power idle state. But this check could be avoided in this hot path
by moving it into arm_cpuidle_read_ops() to reduce arm_cpuidle_suspend
overhead a bit.

This patch makes sense but the ARM64 part is missing.


Here is the ARM64 part, you are also in the "To" list ;)

http://lists.infradead.org/pipermail/linux-arm-kernel/2016-March/417713.html

Ah, yes. That happens when we read the email sequentially :)

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