linux-kernel - [PATCH] x86: change back to any

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Message-Id: <200806211443.39735.yhlu.kernel@gmail.com>
Date:	Sat, 21 Jun 2008 14:43:39 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: change back to any_mapped


agp check is using request_mem_region. and could fail if e820 reserved...

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>
Tested-by: Kevin Winchester <kjwinchester@...il.com>

diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index e6deed1..600470d 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -324,8 +324,8 @@ void __init early_gart_iommu_check(void)
 		fix = 1;
 
 	if (gart_fix_e820 && !fix && aper_enabled) {
-		if (!e820_all_mapped(aper_base, aper_base + aper_size,
-				    E820_RESERVED)) {
+		if (e820_any_mapped(aper_base, aper_base + aper_size,
+				    E820_RAM)) {
 			/* reserve it, so we can reuse it in second kernel */
 			printk(KERN_INFO "update e820 for GART\n");
 			e820_add_region(aper_base, aper_size, E820_RESERVED);
--
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