From: Peter Zijlstra <peterz@infradead.org>
To: Chanho Min <chanho0207@gmail.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
chanho.min@lge.com
Subject: Re: [PATCH] sched_rt: the task in irq context can be migrated during context switching
Date: Thu, 05 Jan 2012 15:25:05 +0100 [thread overview]
Message-ID: <1325773505.2697.61.camel@twins> (raw)
In-Reply-To: <CAOAMb1BHA=5fm7KTewYyke6u-8DP0iUuJMpgQw54vNeXFsGpoQ@mail.gmail.com>
On Thu, 2012-01-05 at 20:00 +0900, Chanho Min wrote:
> In recent ARM, I saw the patch to remove
> __ARCH_WANT_INTERRUPTS_ON_CTXSW is posted.
> But, if that feature is adopted by the others architecture
No, the moment ARM removes the need, the whole feature will be removed
never to be brought back, its a horrid complication to the scheduler we
really don't ever want to bring back (like you found out).
I'll go and digest your scenario now. At the very least your patch might
want to go into -stable.
next prev parent reply other threads:[~2012-01-05 14:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-05 11:00 [PATCH] sched_rt: the task in irq context can be migrated during context switching Chanho Min
2012-01-05 14:25 ` Peter Zijlstra [this message]
2012-01-05 17:55 ` Peter Zijlstra
2012-01-05 18:15 ` Steven Rostedt
2012-01-05 21:45 ` Peter Zijlstra
2012-01-10 8:13 ` Chanho Min
2012-01-10 9:23 ` Peter Zijlstra
2012-01-10 9:42 ` Namhyung Kim
2012-01-28 4:05 ` Chanho Min
2012-01-28 12:06 ` [tip:sched/core] sched/rt: Fix task stack corruption under __ARCH_WANT_INTERRUPTS_ON_CTXSW tip-bot for Chanho Min
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=1325773505.2697.61.camel@twins \
--to=peterz@infradead.org \
--cc=chanho.min@lge.com \
--cc=chanho0207@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/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).