From: Daniel Lezcano <daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Lucas Stach <dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
Cc: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Alexandre Courbot
<gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] clocksource/drivers/tegra: allow timer irq affinity change
Date: Tue, 27 Oct 2015 21:54:04 +0100 [thread overview]
Message-ID: <562FE46C.8080904@linaro.org> (raw)
In-Reply-To: <1445977362.2535.1.camel-8ppwABl0HbeELgA04lAiVw@public.gmane.org>
On 10/27/2015 09:22 PM, Lucas Stach wrote:
> Am Dienstag, den 27.10.2015, 11:14 +0100 schrieb Daniel Lezcano:
>> 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 ?
>>
> Yes, I haven't spotted anything bad, but don't know if I should look
> out for specific oddities?
I was wondering if you tested it because the changelog was the same than
the similar change you did previously so I wanted to know if you assumed
the behavior or if you tested it.
So, no problem.
Thanks !
-- Daniel
--
<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
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Lucas Stach <dev@lynxeye.de>, Thomas Gleixner <tglx@linutronix.de>
Cc: Stephen Warren <swarren@wwwdotorg.org>,
Thierry Reding <thierry.reding@gmail.com>,
Alexandre Courbot <gnurou@gmail.com>,
linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH] clocksource/drivers/tegra: allow timer irq affinity change
Date: Tue, 27 Oct 2015 21:54:04 +0100 [thread overview]
Message-ID: <562FE46C.8080904@linaro.org> (raw)
In-Reply-To: <1445977362.2535.1.camel@lynxeye.de>
On 10/27/2015 09:22 PM, Lucas Stach wrote:
> Am Dienstag, den 27.10.2015, 11:14 +0100 schrieb Daniel Lezcano:
>> 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 ?
>>
> Yes, I haven't spotted anything bad, but don't know if I should look
> out for specific oddities?
I was wondering if you tested it because the changelog was the same than
the similar change you did previously so I wanted to know if you assumed
the behavior or if you tested it.
So, no problem.
Thanks !
-- Daniel
--
<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
next prev parent reply other threads:[~2015-10-27 20:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-25 15:40 [PATCH] clocksource/drivers/tegra: allow timer irq affinity change Lucas Stach
2015-10-25 15:40 ` Lucas Stach
[not found] ` <1445787630-13251-1-git-send-email-dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org>
2015-10-27 10:14 ` Daniel Lezcano
2015-10-27 10:14 ` Daniel Lezcano
[not found] ` <562F4EA3.7000202-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-10-27 20:22 ` Lucas Stach
2015-10-27 20:22 ` Lucas Stach
[not found] ` <1445977362.2535.1.camel-8ppwABl0HbeELgA04lAiVw@public.gmane.org>
2015-10-27 20:54 ` Daniel Lezcano [this message]
2015-10-27 20:54 ` Daniel Lezcano
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