linux-kernel - Re: [PATCH] fb: Rework locking to fix lock ordering on takeover

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Message-ID: <50E81763.1070501@ahsoftware.de>
Date:	Sat, 05 Jan 2013 13:06:59 +0100
From:	Alexander Holler <holler@...oftware.de>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Borislav Petkov <bp@...en8.de>, Shawn Guo <shawn.guo@...aro.org>,
	Sasha Levin <levinsasha928@...il.com>,
	Cong Wang <xiyou.wangcong@...il.com>,
	Josh Boyer <jwboyer@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Florian Tobias Schandinat <florianSchandinat@....de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-fbdev@...r.kernel.org, Bernie Thompson <bernie@...gable.com>,
	Steve Glendinning <steve.glendinning@...well.net>,
	Dave Airlie <airlied@...hat.com>
Subject: Re: [PATCH] fb: Rework locking to fix lock ordering on takeover

Am 05.01.2013 13:07, schrieb Alan Cox:
>> So to add such an "I am crap" flag my idea would be to add an
>> .fb_handle_damage to struct fb_ops and then call that (if exists)
>> whenever something was changed.
>
> I was thinking much higher level - ie at the printk kind of level
>
>> My patch (for udlfb) follows as an reply to this message. If that patch
>> is ok, it should be applied to smscufx too (I would make it). In regard
>> to udl I don't know, I haven't had a deeper look at it nor used it up to
>> now.
>
> Looks pretty clean as a solution to me.

Thanks and sorry for the two empty lines in the patch. I swear I had a 
look at the patch before sending it out, but haven't seen them.

So should I make the same patch for smscufx  and while beeing there, 
send out at v2 without those 2 empty lines?

Regards,

Alexander


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