From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Minchan Kim <minchan@kernel.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Nitin Gupta <ngupta@vflare.org>,
Seth Jennings <sjenning@linux.vnet.ibm.com>,
Konrad Rzeszutek Wilk <konrad@darnok.org>,
Dan Magenheimer <dan.magenheimer@oracle.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
jmarchan@redhat.com
Subject: Re: [PATCH v6 4/4] zram: get rid of lockdep warning
Date: Sun, 3 Feb 2013 17:53:33 -0800 [thread overview]
Message-ID: <20130204015333.GA6548@kroah.com> (raw)
In-Reply-To: <1359513702-18709-4-git-send-email-minchan@kernel.org>
On Wed, Jan 30, 2013 at 11:41:42AM +0900, Minchan Kim wrote:
> Lockdep complains about recursive deadlock of zram->init_lock.
> [1] made it false positive because we can't request IO to zram
> before setting disksize. Anyway, we should shut lockdep up to
> avoid many reporting from user.
>
> [1] : zram: force disksize setting before using zram
>
> Acked-by: Jerome Marchand <jmarchand@redhat.com>
> Acked-by: Nitin Gupta <ngupta@vflare.org>
> Signed-off-by: Minchan Kim <minchan@kernel.org>
> ---
> drivers/staging/zram/zram_drv.c | 189 +++++++++++++++++++------------------
> drivers/staging/zram/zram_drv.h | 12 ++-
> drivers/staging/zram/zram_sysfs.c | 11 ++-
> 3 files changed, 116 insertions(+), 96 deletions(-)
This patch fails to apply to my staging-next branch, but the three
others did, so I took them. Please refresh this one and resend if you
want it applied.
thanks,
greg k-h
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next prev parent reply other threads:[~2013-02-04 3:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-30 2:41 [PATCH v6 1/4] zram: Fix deadlock bug in partial read/write Minchan Kim
2013-01-30 2:41 ` [PATCH v6 2/4] zram: force disksize setting before using zram Minchan Kim
2013-01-30 2:41 ` [PATCH v6 3/4] zram: give up lazy initialization of zram metadata Minchan Kim
2013-01-30 2:41 ` [PATCH v6 4/4] zram: get rid of lockdep warning Minchan Kim
2013-02-04 1:53 ` Greg Kroah-Hartman [this message]
2013-02-04 3:42 ` Minchan Kim
2013-02-04 3:50 ` Greg Kroah-Hartman
2013-02-04 3:58 ` Minchan Kim
2013-01-30 15:12 ` [PATCH v6 1/4] zram: Fix deadlock bug in partial read/write Jerome Marchand
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