linux-kernel - Re: [PATCH] x86: Reserve legacy VGA MMIO area for x86_64 as well as x86

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Date:	Mon, 12 Apr 2010 12:55:57 -0700
From:	"yinghai.lu@...cle.com" <yinghai.lu@...cle.com>
To:	Andy Isaacson <adi@...apodia.org>
Cc:	"guenter.roeck@...csson.com" <guenter.roeck@...csson.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Renninger <trenn@...e.de>
Subject: Re: [PATCH] x86: Reserve legacy VGA MMIO area for x86_64 as well as x86_32





On Apr 12, 2010, at 12:48 PM, Andy Isaacson <adi@...apodia.org> wrote:

> On Mon, Apr 12, 2010 at 12:34:49PM -0700, Yinghai wrote:
>> On 04/12/2010 11:54 AM, Andy Isaacson wrote:
>>> On Fri, Apr 09, 2010 at 07:46:04PM -0700, Yinghai wrote:
>>> [    5.463672] ahci 0000:00:1f.2: PCI INT C -> GSI 20 (level, low)  
>>> -> IRQ 20
>>> [    5.470633] ahci 0000:00:1f.2: BAR 5: can't reserve [mem  
>>> 0x000a0000-0x000a07ff]
>>> [    5.478257] ahci: probe of 0000:00:1f.2 failed with error -16
>>
>> please check
>>
>> [PATCH] x86,pci, acpi: Inherent BUSY flag when setup_resource for  
>> root bus
>
> What patches should I have applied?  I'm testing with d620a7cf from
> linus' tree, plus your "reserve [0xa0000,0x1000000] in e820", plus  
> this
> patch.
Yes
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