From: "H. Peter Anvin" <hpa@zytor.com>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: Re: [PATCH 2/2] vgacon: use request_region(), not request_resource(), to set BUSY
Date: Tue, 04 May 2010 13:14:11 -0700 [thread overview]
Message-ID: <4BE08013.5060402@zytor.com> (raw)
In-Reply-To: <201005041316.51113.bjorn.helgaas@hp.com>
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@hp.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.
-hpa
next prev parent reply other threads:[~2010-05-04 20:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-04 18:58 [PATCH 1/2] resources: fill in type for __request_region() Bjorn Helgaas
2010-05-04 18:58 ` [PATCH 2/2] vgacon: use request_region(), not request_resource(), to set BUSY Bjorn Helgaas
2010-05-04 19:09 ` Linus Torvalds
2010-05-04 19:16 ` Bjorn Helgaas
2010-05-04 20:14 ` H. Peter Anvin [this message]
2010-05-04 20:51 ` Jesse Barnes
2010-05-18 21:41 ` Jesse Barnes
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