linux-kernel - Re: [GIT PULL] block driver updates for 2.6.38

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Date:	Thu, 13 Jan 2011 13:43:01 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Jens Axboe <jaxboe@...ionio.com>,
	Pekka Enberg <penberg@...nel.org>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	Tejun Heo <tj@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] block driver updates for 2.6.38

On Thu, 13 Jan 2011 11:40:09 -0800
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Thu, Jan 13, 2011 at 11:25 AM, Jens Axboe <jaxboe@...ionio.com> wrote:
> > On 2011-01-13 20:00, Linus Torvalds wrote:
> >> On Thu, Jan 13, 2011 at 5:53 AM, Jens Axboe <jaxboe@...ionio.com> wrote:
> >>>
> >>> Pekka Enberg (1):
> >>>      floppy: replace NO_GEOM macro with a function
> >>
> >> Hmm. When I see work on floppy.c, I end up wondering what happened to
> >> the work by Stephen to use a single threaded workqueue?
> >>
> >> That was reported to fix a KVM oops at some point to to avoiding the
> >> whole race between interrupts/workqueues, but it seems to have dropped
> >> off everybody's radar. I don't think anybody ever tested it on real
> >> hardware, but I'm still wondering..
> >
> > Not sure, I don't recall seeing it.
> 
> It was on lkml a few months ago. google finds it with "floppy: use
> single threaded workqueue" if you don't have your own archives.
> 
> Eg:
> 
>    http://kerneltrap.org/mailarchive/linux-kernel/2010/6/11/4582074
> 
> and similar.
> 
>                         Linus

Good news: I have updated version, but bad news is that it
fails formatting a floppy and haven't had time to debug.

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