linux-kernel - Re: [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write

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 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20130130082112.GA23548@blaptop>
Date:	Wed, 30 Jan 2013 17:21:12 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Nitin Gupta <ngupta@...are.org>,
	Konrad Rzeszutek Wilk <konrad@...nok.org>,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Pekka Enberg <penberg@...helsinki.fi>, stable@...r.kernel.org,
	Jerome Marchand <jmarchan@...hat.com>
Subject: Re: [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write

Hi Greg,

On Tue, Jan 29, 2013 at 11:20:06PM -0500, Greg Kroah-Hartman wrote:
> On Mon, Jan 28, 2013 at 09:38:23AM +0900, Minchan Kim wrote:
> > Now zram allocates new page with GFP_KERNEL in zram I/O path
> > if IO is partial. Unfortunately, It may cuase deadlock with
> > reclaim path so this patch solves the problem.
> > 
> > Cc: stable@...r.kernel.org
> > Cc: Jerome Marchand <jmarchan@...hat.com>
> > Acked-by: Nitin Gupta <ngupta@...are.org>
> > Signed-off-by: Minchan Kim <minchan@...nel.org>
> > ---
> >  drivers/staging/zram/zram_drv.c |    4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> Due to the discussion on this series, I don't know what patch to apply,
> so care to do a v6 of this with the patches that everyone has finally
> agreed on?

I already sent v6.
https://lkml.org/lkml/2013/1/29/680

Thanks.

-- 
Kind regards,
Minchan Kim
--
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/