linux-kernel - Re: [PATCH] sched: fix to use invalid sched

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Message-ID: <46F1B872.1050307@ct.jp.nec.com>
Date:	Wed, 19 Sep 2007 17:01:54 -0700
From:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
To:	Dmitry Adamushko <dmitry.adamushko@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched: fix to use invalid sched_class

Dmitry Adamushko wrote:
>>> Hi Ingo,
>>>
>>> I found an issue about the scheduler.
>>> If you need a test case, please let me know.
>>> Here is a patch.
>>> [ ... ]
>>> The new thread should be valid scheduler class before queuing.
>>> This patch fixes to set the suitable scheduler class.
>> Nice fix! It's a 2.6.23 must-have fix - i'll push it out into the 
>> scheduler tree. Thanks!
> 
> I think, the following approach would be a bit more appropriate
> (the missing addition to the already existing "don't leak PI boosting prio"):
> 
> (not tested)
> 
Thank you for reviewing my patch.
Yes, your approach looks better than mine.
I've tested it and it looks working fine in my test case.
I attached the test case.

Will you write a patch to replace mine?

Thanks,
Hiroshi Shimamoto

Download attachment "mutexprio.c" of type "image/x-xbitmap" (883 bytes)