linux-kernel - Re: [PATCH] clocksource/drivers/tegra: allow timer irq affinity change

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Message-ID: <562F4EA3.7000202@linaro.org>
Date:	Tue, 27 Oct 2015 11:14:59 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Lucas Stach <dev@...xeye.de>, Thomas Gleixner <tglx@...utronix.de>
Cc:	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH] clocksource/drivers/tegra: allow timer irq affinity
 change

On 10/25/2015 04:40 PM, Lucas Stach wrote:
> Allow the timer core to change the smp affinity of the broadcast timer
> irq by setting CLOCK_EVT_FEAT_DYNIRQ flag.
>
> This reduces interrupt pressure and wakeups on CPU0 as well as vastly
> reducing the number of timer broadcast IPIs.

Did you test this patch on a tegra2 ?



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