linux-kernel - [PATCH] x86: vSMP selection in config

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Date:	Sun, 24 Feb 2008 22:43:49 -0800
From:	Yinghai Lu <Yinghai.Lu@....COM>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	kiran@...lemp.com, shai@...lemp.com,
	Glauber Costa <gcosta@...hat.com>
Subject: [PATCH] x86: vSMP selection in config


find out vSMP setting is going away in config after make oldconfig

vSMP need to PARAVIRT and PCI.
so move PARAVIRT out of if PARAVIRT_GUEST, and make vSMP select PCI instead of
depends on PCI

after patch vSMP could stick there.

Signed-off-by: Yinghai Lu <yinghai.lu@....com>

Index: linux-2.6/arch/x86/Kconfig
===================================================================
--- linux-2.6.orig/arch/x86/Kconfig
+++ linux-2.6/arch/x86/Kconfig
@@ -330,8 +330,9 @@ config X86_RDC321X
 
 config X86_VSMP
 	bool "Support for ScaleMP vSMP"
-	depends on X86_64 && PCI
+	depends on X86_64
 	select PARAVIRT
+	select PCI
 	help
 	  Support for ScaleMP vSMP systems.  Say 'Y' here if this kernel is
 	  supposed to run on these EM64T-based machines.  Only choose this option
@@ -376,6 +377,8 @@ config VMI
 
 source "arch/x86/lguest/Kconfig"
 
+endif
+
 config PARAVIRT
 	bool "Enable paravirtualization code"
 	depends on !(X86_VISWS || X86_VOYAGER)
@@ -385,8 +388,6 @@ config PARAVIRT
 	  over full virtualization.  However, when run without a hypervisor
 	  the kernel is theoretically slower and slightly larger.
 
-endif
-
 config ACPI_SRAT
 	def_bool y
 	depends on X86_32 && ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH)
--
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