linux-kernel - Re: [PATCH 2/2] vgacon: use request_region(), not request

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Message-ID: <20100518144105.362e5e6a@virtuousgeek.org>
Date:	Tue, 18 May 2010 14:41:05 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Bjorn Helgaas <bjorn.helgaas@...com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] vgacon: use request_region(), not
 request_resource(), to set BUSY

On Tue, 04 May 2010 13:14:11 -0700
"H. Peter Anvin" <hpa@...or.com> wrote:

> On 05/04/2010 12:16 PM, Bjorn Helgaas wrote:
> > On Tuesday, May 04, 2010 01:09:46 pm Linus Torvalds wrote:
> >> On Tue, 4 May 2010, Bjorn Helgaas wrote:
> >>> Drivers normally use request_region() to mark the region busy so it won't
> >>> be used by anybody else.  Previously, we used request_resource(), which
> >>> doesn't mark the VGA regions busy.
> >>>
> >>> Signed-off-by: Bjorn Helgaas <bjorn.helgaas@...com>
> >>
> >> Hmm. I don't object, but unless there is some crazy regression, there's no
> >> way I will take something like this outside the merge window. Who knows
> >> what odd frame buffer driver is out there that just depended on the fact
> >> that it could also register that VGA area?
> >>
> >> Probably no such thing exists, but it's why I want these kinds of things
> >> during the merge window. And obviously preferably through something like
> >> the PCI merge tree, but that's a different issue.
> > 
> > Yep, I was intending for after .34.  I couldn't figure out where
> > to send it, but I'll be happy to send it to Jesse.
> > 
> 
> I would vote for Jesse's tree.  If Jesse doesn't want it I'll take it.

Can you resend this one Bjorn?

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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