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

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Message-ID: <20140911205308.GB2598@core.coreip.homeip.net>
Date:	Thu, 11 Sep 2014 13:53:08 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	"Luis R. Rodriguez" <mcgrof@...not-panic.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@...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@...gotech.com,
	Linux SCSI List <linux-scsi@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [RFC v2 3/6] kthread: warn on kill signal if not OOM

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

-- 
Dmitry
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