lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:	Tue, 22 Jul 2014 10:27:16 +0200
From:	Alexander Gordeev <agordeev@...hat.com>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] blk-mq: bitmap tag: fix potential unwakeable sleep in
 bt_get()

On Mon, Jul 21, 2014 at 11:11:44AM +0200, Alexander Gordeev wrote:
> > My bad, was looking at the wrong sources. What is the race? If the
> > clear and wakeup come in after the prepare_to_wait() but before the
> > io_schedule(), the io_schedule() will be a no-op and it wont
> > actually sleep. Your commit message doesn't mention any particular
> > details.
> 
> Let me examine the code.. It was few weeks ago and I can not
> remember what was that. And the changelog does not help :)

Jens,

I can not recall what was my concern. Sorry for the noise.

Thanks!

> > -- 
> > Jens Axboe
> > 

-- 
Regards,
Alexander Gordeev
agordeev@...hat.com
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists