linux-kernel - Re: [RFC v2 3/6] kthread: warn on kill signal if not OOM

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Message-ID: <CAB=NE6U8LQPFw4K+QabSppoLyife-oSX1h5vys5S7dqBj8ANLw@mail.gmail.com>
Date:	Thu, 11 Sep 2014 14:08:15 -0700
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	James Bottomley <James.Bottomley@...senpartnership.com>,
	Tejun Heo <tj@...nel.org>,
	Lennart Poettering <lennart@...ttering.net>,
	Kay Sievers <kay@...y.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Wu Zhangjin <falcon@...zu.com>, Takashi Iwai <tiwai@...e.de>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...hat.com>, hare <hare@...e.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	Joseph Salisbury <joseph.salisbury@...onical.com>,
	Benjamin Poirier <bpoirier@...e.de>,
	Santosh Rastapur <santosh@...lsio.com>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Tim Gardner <tim.gardner@...onical.com>,
	Pierre Fersing <pierre-fersing@...rref.org>,
	Nagalakshmi Nandigama <nagalakshmi.nandigama@...gotech.com>,
	Praveen Krishnamoorthy <praveen.krishnamoorthy@...gotech.com>,
	Sreekanth Reddy <sreekanth.reddy@...gotech.com>,
	Abhijit Mahajan <abhijit.mahajan@...gotech.com>,
	Cas ey Leedom <leedom@...lsio.com>,
	Hariprasad S <hariprasad@...lsio.com>,
	"mpt-fusionlinux.pdl" <MPT-FusionLinux.pdl@...gotech.com>,
	Linux SCSI List <linux-scsi@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Tom Gundersen <teg@...m.no>
Subject: Re: [RFC v2 3/6] kthread: warn on kill signal if not OOM

On Thu, Sep 11, 2014 at 1:53 PM, Dmitry Torokhov
<dmitry.torokhov@...il.com> wrote:
> On Thu, Sep 11, 2014 at 01:42:20PM -0700, Luis R. Rodriguez wrote:
>> On Thu, Sep 11, 2014 at 1:23 PM, Dmitry Torokhov
>> <dmitry.torokhov@...il.com> wrote:
>> >
>> >>  There are elements in common, but by and
>> >> large the biggest headaches at least in large device number boots have
>> >> already been tackled by the enterprise crowd (they don't like their
>> >> S390's or 1024 core NUMA systems taking half an hour to come up).
>> >
>> > Please do not position this as a mostly solved large systems problem,
>> > For us it is touchpad detection stalling kernel for 0.5-1 sec. Which is
>> > a lot given that we boot in seconds.
>>
>> Dmitry, would working on top of the aysnc series be reasonable? Then
>> we could address these as separate things which we'd build on top of.
>> The one aspect I see us needing to share is the "async probe universe
>> is OK" flag.
>
> Sure. Are you planning on refreshing your series?

Yes.

> I think the code-related discussion kind of stalled...

I was just waiting for any possible brain farts to flush out before a
new respin. I'll tackle this now.

 Luis
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