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

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Date:	Fri, 09 Apr 2010 18:10:49 -0700
From:	Yinghai <yinghai.lu@...cle.com>
To:	Andy Isaacson <adi@...apodia.org>
CC:	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

in addition to -v2 patch

please apply this patch too

also please boot with "debug" in boot command line.

Thanks

Yinghai

[PATCH] x86,acpi: use request_resource instead of instead of insert_resource

So make pci root resouce from _CRS honor the one We reserve in e820 below 1M

Signed-off-by: Yinghai Lu <yinghai@...nel.org>

---
 arch/x86/pci/acpi.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/arch/x86/pci/acpi.c
===================================================================
--- linux-2.6.orig/arch/x86/pci/acpi.c
+++ linux-2.6/arch/x86/pci/acpi.c
@@ -168,7 +168,7 @@ setup_resource(struct acpi_resource *acp
 		return AE_OK;
 	}
 
-	conflict = insert_resource_conflict(root, res);
+	conflict = request_resource_conflict(root, res);
 	if (conflict) {
 		dev_err(&info->bridge->dev,
 			"address space collision: host bridge window %pR "
--
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