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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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 ?



-- 
  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/