From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] TWD: enable one-shot mode
Date: Tue, 11 Jan 2011 11:52:09 +0000 [thread overview]
Message-ID: <20110111115209.GA12781@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <4D2BE6C4.4040806@codeaurora.org>
On Mon, Jan 10, 2011 at 09:12:36PM -0800, Stephen Boyd wrote:
> On 12/24/2010 11:18 AM, Russell King - ARM Linux wrote:
> > Allow one shot timer mode to be used with the TWD. This allows
> > NOHZ mode to be used on SMP systems using the TWD localtimer.
> >
> > Tested on Versatile Express.
> >
> > Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
> > ---
> > Acks/Tested-by's would be appreciated, thanks.
> >
>
> I see this patch was already tested and merged but can you elaborate on
> why this was done? From what I understand, NOHZ selects one-shot (like
> is done in this patch), so why don't the machines with a TWD choose NOHZ
> or high res timers?
You're right - so it's not actually required. It should probably be
reverted, though it does no damage...
next prev parent reply other threads:[~2011-01-11 11:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-24 19:18 [PATCH] TWD: enable one-shot mode Russell King - ARM Linux
2010-12-28 1:17 ` Linus Walleij
2011-01-11 5:12 ` Stephen Boyd
2011-01-11 11:52 ` Russell King - ARM Linux [this message]
2011-01-14 18:45 ` Stephen Boyd
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110111115209.GA12781@n2100.arm.linux.org.uk \
--to=linux@arm.linux.org.uk \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).