linux-kernel - [PATCH 55 of 55] xen: update Kconfig to allow 64-bit Xen

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Date:	Tue, 08 Jul 2008 15:07:17 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
	Stephen Tweedie <sct@...hat.com>,
	Eduardo Habkost <ehabkost@...hat.com>,
	Mark McLoughlin <markmc@...hat.com>, x86@...nel.org
Subject: [PATCH 55 of 55] xen: update Kconfig to allow 64-bit Xen

Allow Xen to be enabled on 64-bit.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
---
 arch/x86/xen/Kconfig |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -6,8 +6,8 @@
 	bool "Xen guest support"
 	select PARAVIRT
 	select PARAVIRT_CLOCK
-	depends on X86_32
-	depends on X86_CMPXCHG && X86_TSC && X86_PAE && !(X86_VISWS || X86_VOYAGER)
+	depends on X86_64 || (X86_32 && X86_PAE && !(X86_VISWS || X86_VOYAGER))
+	depends on X86_CMPXCHG && X86_TSC
 	help
 	  This is the Linux Xen port.  Enabling this will allow the
 	  kernel to boot in a paravirtualized environment under the
@@ -15,10 +15,11 @@
 
 config XEN_MAX_DOMAIN_MEMORY
        int "Maximum allowed size of a domain in gigabytes"
-       default 8
+       default 8 if X86_32
+       default 32 if X86_64
        depends on XEN
        help
          The pseudo-physical to machine address array is sized
          according to the maximum possible memory size of a Xen
          domain.  This array uses 1 page per gigabyte, so there's no
-         need to be too stingy here.
\ No newline at end of file
+         need to be too stingy here.


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