From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] sched: taint kernel with TAINT_WARN after sleep-in-atomic bug
Date: Fri, 18 May 2012 10:54:14 +0200 [thread overview]
Message-ID: <1337331254.573.1.camel@twins> (raw)
In-Reply-To: <20120510122004.4873.12726.stgit@zurg>
On Thu, 2012-05-10 at 16:20 +0400, Konstantin Khlebnikov wrote:
> Usually sleep-in-atomic bugs are followed by dozens other warnings.
> This patch should help to figure out original source of problem.
>
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Thanks!
> ---
> kernel/sched/core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> index 0533a68..b6458e4 100644
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -3113,6 +3113,7 @@ static noinline void __schedule_bug(struct task_struct *prev)
> if (irqs_disabled())
> print_irqtrace_events(prev);
> dump_stack();
> + add_taint(TAINT_WARN);
> }
>
> /*
>
next prev parent reply other threads:[~2012-05-18 8:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-10 7:54 [PATCH] sched: set TAINT_UNSAFE_SMP after sleep-in-atomic bug Konstantin Khlebnikov
2012-05-10 10:01 ` Peter Zijlstra
2012-05-10 10:56 ` Konstantin Khlebnikov
2012-05-10 11:46 ` Peter Zijlstra
2012-05-10 12:20 ` [PATCH v2] sched: taint kernel with TAINT_WARN " Konstantin Khlebnikov
2012-05-18 8:54 ` Peter Zijlstra [this message]
2012-05-18 11:16 ` [tip:sched/core] sched: Taint " tip-bot for Konstantin Khlebnikov
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=1337331254.573.1.camel@twins \
--to=a.p.zijlstra@chello.nl \
--cc=akpm@linux-foundation.org \
--cc=khlebnikov@openvz.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.