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From: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	Petr Mladek <pmladek@suse.com>, Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	"Paul E. McKenney" <paulmck@linux.ibm.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Liu Chuansheng <chuansheng.liu@intel.com>,
	Valdis Kletnieks <valdis.kletnieks@vt.edu>,
	linux-kernel@vger.kernel.org, Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [PATCH] kernel/hung_task.c: Monitor killed tasks.
Date: Thu, 23 May 2019 08:46:29 +0900	[thread overview]
Message-ID: <201905222346.x4MNkTqj073305@www262.sakura.ne.jp> (raw)
In-Reply-To: <20190522144300.5ea06345efd9a831803105b7@linux-foundation.org>

Andrew Morton wrote:
> On Thu, 23 May 2019 07:39:25 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> 
> > > I put an example patch into my subversion repository:
> > > 
> > >   svn checkout https://svn.osdn.net/svnroot/tomoyo/branches/syzbot-patches/
> > > 
> > > To fetch up-to-date debug printk() patches:
> > > 
> > >   cd syzbot-patches
> > >   svn update
> > > 
> > > Does this work for you?
> > 
> > Neither will fit into my normal workflow.
> > 
> > So, tell me, what are you trying to do?  What does you work depend on?
> > Just Linus' tree, or something already in linux-next?  Why would you
> > want to keep moving your patch(es) on top of linux-next?

"[PATCH] printk: Monitor change of console loglevel." is targeted for
linux-next only, and I estimate that this patch will be removed in a
week or so, for syzbot can reproduce this problem using linux-next and
syzbot will blacklist testcases causing this problem.

"[PATCH] kernel/hung_task.c: Monitor killed tasks." is targeted for upstream, for
syzbot is hitting this problem in any tree and this will be a kernel's problem.
But for feasibility check, for now I want to try this patch on only linux-next.
I guess we need to tune (e.g. add sysctl) before sending to linux.git tree.

I am seeking for an approach which is less burden for both of you. But it
seems that using Andrew's route seems to fit better for Stephen's workflow.

> 
> um, I can carry developer-only linux-next debug patches.
> 

OK. Then, will you carry these patches?

Regards.

  reply	other threads:[~2019-05-22 23:47 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-13 11:02 [PATCH] kernel/hung_task.c: Monitor killed tasks Tetsuo Handa
2019-05-13 11:11 ` Dmitry Vyukov
2019-05-14 22:28 ` Paul E. McKenney
2019-05-15 10:55 ` Petr Mladek
2019-05-16  8:19   ` Tetsuo Handa
2019-05-16 11:57     ` Petr Mladek
2019-05-16 12:38       ` Tetsuo Handa
2019-05-22 12:38         ` Tetsuo Handa
2019-05-22 13:41           ` Stephen Rothwell
2019-05-22 14:58             ` Tetsuo Handa
2019-05-22 21:09               ` Tetsuo Handa
2019-05-22 21:39                 ` Stephen Rothwell
2019-05-22 21:43                   ` Andrew Morton
2019-05-22 23:46                     ` Tetsuo Handa [this message]
2019-05-27 14:12         ` Tetsuo Handa

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