From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Mandeep Singh Baines <msb@chromium.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Don Zickus <dzickus@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Michal Hocko <mhocko@suse.cz>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] watchdog: Make sure the watchdog thread gets CPU on loaded system
Date: Thu, 15 Mar 2012 12:00:39 +0100 [thread overview]
Message-ID: <1331809239.18960.168.camel@twins> (raw)
In-Reply-To: <20120315014511.GT27051@google.com>
On Wed, 2012-03-14 at 18:45 -0700, Mandeep Singh Baines wrote:
> You could make MAX_RT_PRIO greater than MAX_USER_RT_PRIO but that
> might
> have some impact on real-time applications. A simple one-line patch:
>
> - #define MAX_RT_PRIO MAX_USER_RT_PRIO
> + #define MAX_RT_PRIO (MAX_USER_RT_PRIO + 1)
>
> would prevent user-space from causing a false lockup detection.
We're so not going to muck with the fifo priorities just for this stupid
soft watchdog,.. I already hate that I can't disable the piece of crap,
making it more involved is just really not going to happen.
next prev parent reply other threads:[~2012-03-15 11:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-14 20:38 [PATCH] watchdog: Make sure the watchdog thread gets CPU on loaded system Don Zickus
2012-03-14 20:59 ` Mandeep Singh Baines
2012-03-14 23:19 ` Andrew Morton
2012-03-15 1:45 ` Mandeep Singh Baines
2012-03-15 11:00 ` Peter Zijlstra [this message]
2012-03-15 11:06 ` Peter Zijlstra
2012-03-15 12:42 ` Ingo Molnar
2012-03-15 14:00 ` Peter Zijlstra
2012-03-15 14:35 ` Don Zickus
2012-03-15 15:39 ` Mandeep Singh Baines
2012-03-15 16:10 ` Peter Zijlstra
2012-03-15 16:11 ` Peter Zijlstra
2012-03-15 16:16 ` Peter Zijlstra
2012-03-15 17:04 ` Mandeep Singh Baines
2012-03-15 8:02 ` Michal Hocko
2012-03-15 15:54 ` Don Zickus
2012-03-15 16:04 ` Peter Zijlstra
2012-03-19 22:00 ` Andrew Morton
2012-03-15 16:14 ` Michal Hocko
2012-03-15 17:14 ` Don Zickus
-- strict thread matches above, loose matches on Subject: below --
2012-03-13 9:45 [PATCH] watchdog: make " Michal Hocko
2012-03-13 13:42 ` Don Zickus
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