From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Jisheng Zhang <jszhang@marvell.com>
Cc: lorenzo.pieralisi@arm.com, lina.iyer@linaro.org,
linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit more efficient
Date: Thu, 7 Jul 2016 15:46:28 +0200 [thread overview]
Message-ID: <20160707134628.GB20553@linaro.org> (raw)
In-Reply-To: <1467785755-3488-3-git-send-email-jszhang@marvell.com>
On Wed, Jul 06, 2016 at 02:15:55PM +0800, 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.
>
> Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> ---
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
next prev parent reply other threads:[~2016-07-07 13:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-06 6:15 [PATCH v4 0/2] make arm_cpuidle_suspend() a bit more efficient Jisheng Zhang
2016-07-06 6:15 ` [PATCH v4 1/2] ARM: cpuidle: fix !cpuidle_ops[cpu].init case during init Jisheng Zhang
2016-07-07 13:45 ` Daniel Lezcano
2016-07-06 6:15 ` [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit more efficient Jisheng Zhang
2016-07-07 13:46 ` Daniel Lezcano [this message]
2016-07-08 6:17 ` Jisheng Zhang
2016-07-08 10:50 ` Daniel Lezcano
2016-07-08 10:58 ` Jisheng Zhang
2016-07-14 15:31 ` Russell King - ARM Linux
2016-07-15 7:38 ` Jisheng Zhang
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