linux-kernel - Re: [PATCH] x86: Add PCI extended config space access for AMD Barcelona

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Date:	Mon, 2 Jun 2008 11:09:47 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Robert Richter <robert.richter@....com>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH] x86: Add PCI extended config space access for AMD
	Barcelona


* Robert Richter <robert.richter@....com> wrote:

> This patch implements PCI extended configuration space access for 
> AMD's Barcelona CPUs. It extends the method using CF8/CFC IO 
> addresses. An x86 capability bit has been introduced that is set for 
> CPUs supporting PCI extended config space accesses.

applied to -tip for more testing, thanks Robert. It needed some porting 
(64-bit setup code got restructured in -tip) and the trivial build fix 
below.

	Ingo

------------->
commit fe8aef82b5040c39fb3bee28047db5c896421382
Author: Ingo Molnar <mingo@...e.hu>
Date:   Mon Jun 2 10:54:16 2008 +0200

    fix build bug in "x86: add PCI extended config space access for AMD Barcelona"
    
    Signed-off-by: Ingo Molnar <mingo@...e.hu>

diff --git a/include/asm-x86/mmconfig.h b/include/asm-x86/mmconfig.h
index 95beda0..46d6bb1 100644
--- a/include/asm-x86/mmconfig.h
+++ b/include/asm-x86/mmconfig.h
@@ -9,4 +9,6 @@ static inline void fam10h_check_enable_mmcfg(void) { }
 static inline void check_enable_amd_mmconf_dmi(void) { }
 #endif
 
+extern void __cpuinit amd_enable_pci_ext_cfg(struct cpuinfo_x86 *c);
+
 #endif
--
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