From: Sasha Levin <sasha.levin@oracle.com>
To: Hugh Dickins <hughd@google.com>
Cc: "Alan Cox" <alan@lxorguk.ukuu.org.uk>,
"Bjørn Mork" <bjorn@mork.no>,
"Sasha Levin" <levinsasha928@gmail.com>,
"Dave Jones" <davej@redhat.com>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Jiri Slaby" <jslaby@suse.cz>,
linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org,
florianSchandinat@gmx.de
Subject: Re: tty, vt: lockdep warnings (Patch v3)
Date: Fri, 09 Nov 2012 19:42:15 +0000 [thread overview]
Message-ID: <509D5C97.2020801@oracle.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1211091133310.3733@eggly.anvils>
On 11/09/2012 02:34 PM, Hugh Dickins wrote:
> On Thu, 8 Nov 2012, Alan Cox wrote:
>> commit f35b3fbf24c4e4debb6a7a864b09854ccc2a22e7
>> Author: Alan Cox <alan@linux.intel.com>
>> Date: Wed Nov 7 16:35:08 2012 +0000
>>
>> fb: Rework locking to fix lock ordering on takeover
>>
>> Adjust the console layer to allow a take over call where the caller already
>> holds the locks. Make the fb layer lock in order.
>>
>> This s partly a band aid, the fb layer is terminally confused about the
>> locking rules it uses for its notifiers it seems.
>>
>> Signed-off-by: Alan Cox <alan@linux.intel.com>
>
> This version works for me too - thanks.
> Hugh
I was planning to test it last night, but new code in mm/ failed horribly and
was BUG()ing all over the place, so I didn't get any significant testing
of this patch done.
Will update...
Thanks,
Sasha
WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sasha.levin@oracle.com>
To: Hugh Dickins <hughd@google.com>
Cc: "Alan Cox" <alan@lxorguk.ukuu.org.uk>,
"Bjørn Mork" <bjorn@mork.no>,
"Sasha Levin" <levinsasha928@gmail.com>,
"Dave Jones" <davej@redhat.com>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Jiri Slaby" <jslaby@suse.cz>,
linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org,
florianSchandinat@gmx.de
Subject: Re: tty, vt: lockdep warnings (Patch v3)
Date: Fri, 09 Nov 2012 14:42:15 -0500 [thread overview]
Message-ID: <509D5C97.2020801@oracle.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1211091133310.3733@eggly.anvils>
On 11/09/2012 02:34 PM, Hugh Dickins wrote:
> On Thu, 8 Nov 2012, Alan Cox wrote:
>> commit f35b3fbf24c4e4debb6a7a864b09854ccc2a22e7
>> Author: Alan Cox <alan@linux.intel.com>
>> Date: Wed Nov 7 16:35:08 2012 +0000
>>
>> fb: Rework locking to fix lock ordering on takeover
>>
>> Adjust the console layer to allow a take over call where the caller already
>> holds the locks. Make the fb layer lock in order.
>>
>> This s partly a band aid, the fb layer is terminally confused about the
>> locking rules it uses for its notifiers it seems.
>>
>> Signed-off-by: Alan Cox <alan@linux.intel.com>
>
> This version works for me too - thanks.
> Hugh
I was planning to test it last night, but new code in mm/ failed horribly and
was BUG()ing all over the place, so I didn't get any significant testing
of this patch done.
Will update...
Thanks,
Sasha
next prev parent reply other threads:[~2012-11-09 19:42 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-25 19:37 tty, vt: lockdep warnings Sasha Levin
2012-10-26 13:37 ` Alan Cox
2012-10-26 13:37 ` Alan Cox
2012-11-05 17:26 ` Sasha Levin
2012-11-05 17:26 ` Sasha Levin
2012-11-05 17:59 ` Alan Cox
2012-11-05 17:59 ` Alan Cox
2012-11-05 18:00 ` Sasha Levin
2012-11-05 18:00 ` Sasha Levin
2012-11-05 19:17 ` Hugh Dickins
2012-11-05 19:17 ` Hugh Dickins
2012-11-05 20:15 ` Alan Cox
2012-11-05 20:15 ` Alan Cox
2012-11-05 20:34 ` Hugh Dickins
2012-11-05 20:34 ` Hugh Dickins
2012-11-06 16:11 ` Alan Cox
2012-11-06 16:11 ` Alan Cox
2012-11-06 16:42 ` Dave Jones
2012-11-06 16:42 ` Dave Jones
2012-11-06 17:38 ` Alan Cox
2012-11-06 17:38 ` Alan Cox
2012-11-07 13:47 ` Sasha Levin
2012-11-07 13:47 ` Sasha Levin
2012-11-07 15:57 ` Alan Cox
2012-11-07 16:02 ` Alan Cox
2012-11-07 16:15 ` Bjørn Mork
2012-11-07 16:15 ` Bjørn Mork
2012-11-07 16:56 ` Alan Cox
2012-11-07 17:01 ` Alan Cox
2012-11-08 14:34 ` tty, vt: lockdep warnings (Patch v3) Alan Cox
2012-11-08 14:34 ` Alan Cox
2012-11-09 19:34 ` Hugh Dickins
2012-11-09 19:34 ` Hugh Dickins
2012-11-09 19:42 ` Sasha Levin [this message]
2012-11-09 19:42 ` Sasha Levin
2012-11-13 16:24 ` Sasha Levin
2012-11-13 16:24 ` Sasha Levin
2012-11-07 4:29 ` tty, vt: lockdep warnings Hugh Dickins
2012-11-07 4:29 ` Hugh Dickins
2012-11-07 6:26 ` Hugh Dickins
2012-11-07 6:26 ` Hugh Dickins
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