From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: minyard@acm.org, linux-kernel@vger.kernel.org,
openipmi-developer@lists.sourceforge.net
Subject: Re: [PATCH 4/5] IPMI: Add console oops catcher
Date: Wed, 15 Apr 2009 15:40:40 +0900 [thread overview]
Message-ID: <49E58168.3090409@ct.jp.nec.com> (raw)
In-Reply-To: <20090402141445.3a7a6504.akpm@linux-foundation.org>
Andrew Morton wrote:
> On Tue, 03 Mar 2009 16:03:37 -0800
> Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> wrote:
>
>> ...
>>> This reader is unable to determine what the mystery preempt_disable()
>>> is here for. It needs a comment, please.
>> I cannot recall why it's here. So a comment is really needed.
>> This preempt_disable() may not be needed.
>>
>>> What happens if two CPUs oops at the same time (which is fairly common)?
>> ...
>>
>> OK. I'll look at this.
>>
>>> It would be prudent to have a timeout in this loop. The machine has
>>> crashed and subsystems and hardware and memory are in an unknown and
>>> possibly bad state.
>> Right.
>>
>> ...
>>
>>> This looks like we're abusing the "unblank" method.
>>>
>>> If you think that the console subsystem is missing some capability
>>> which this driver needs then please do prefer to fix the console
>>> subsystem, rather than awkwardly making things fit.
>> OK. Will take a look about this point.
>>
>
> None of this happened.
>
> It makes me reluctant to merge that patches as they stand, because then
> it all gets forgotten about, whereas holding the patches back will
> remind us that updates are needed.
Sorry for late reply.
I couldn't have time for this patch.
I'll look at this again and will resend updates.
Thanks,
Hiroshi
next prev parent reply other threads:[~2009-04-15 6:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-03 15:21 [PATCH 4/5] IPMI: Add console oops catcher Corey Minyard
2009-03-03 21:20 ` Andrew Morton
2009-03-04 0:03 ` Hiroshi Shimamoto
2009-04-02 21:14 ` Andrew Morton
2009-04-15 6:40 ` Hiroshi Shimamoto [this message]
2009-04-15 14:34 ` Corey Minyard
2009-04-15 15:07 ` [Openipmi-developer] " dann frazier
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