linux-kernel - [PATCH 5/5] x86: allow MPPARSE to be deselected in SMP configs

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Message-ID: <20080519154722.15071.91358.stgit@thinkpad>
Date:	Mon, 19 May 2008 19:47:22 +0400
From:	Alexey Starikovskiy <astarikovskiy@...e.de>
To:	mingo@...e.hu
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] x86: allow MPPARSE to be deselected in SMP configs

Signed-off-by: Alexey Starikovskiy <astarikovskiy@...e.de>
---

 arch/x86/Kconfig.debug     |    2 +-
 arch/x86/kernel/setup.c    |    2 +-
 arch/x86/kernel/setup_32.c |    2 +-
 arch/x86/kernel/setup_64.c |    4 ++++
 4 files changed, 7 insertions(+), 3 deletions(-)


diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 5eb480e..f27de28 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -128,7 +128,7 @@ config 4KSTACKS
 
 config X86_FIND_SMP_CONFIG
 	def_bool y
-	depends on X86_LOCAL_APIC || X86_VOYAGER
+	depends on X86_MPPARSE || X86_VOYAGER || X86_VISWS
 	depends on X86_32
 
 config X86_MPPARSE
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 089ddfa..c86bda7 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -12,7 +12,7 @@
 #include <asm/mpspec.h>
 #include <asm/apicdef.h>
 
-#ifdef CONFIG_X86_MPPARSE
+#ifdef CONFIG_X86_LOCAL_APIC
 unsigned int num_processors;
 unsigned disabled_cpus __cpuinitdata;
 
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index 12a31de..9af0d5f 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -846,7 +846,7 @@ void __init setup_arch(char **cmdline_p)
 			"CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.\n");
 #endif
 #endif
-#ifdef CONFIG_X86_LOCAL_APIC
+#if defined(CONFIG_X86_MPPARSE) || defined(CONFIG_X86_VISWS)
 	if (smp_found_config)
 		get_smp_config();
 #endif
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 9234675..8047db9 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -439,7 +439,9 @@ void __init setup_arch(char **cmdline_p)
        /*
 	* Find and reserve possible boot-time SMP configuration:
 	*/
+#ifdef CONFIG_X86_MPPARSE
 	find_smp_config();
+#endif
 #ifdef CONFIG_BLK_DEV_INITRD
 	if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
 		unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
@@ -485,8 +487,10 @@ void __init setup_arch(char **cmdline_p)
 	/*
 	 * get boot-time SMP configuration:
 	 */
+#ifdef CONFIG_X86_MPPARSE
 	if (smp_found_config)
 		get_smp_config();
+#endif
 	init_apic_mappings();
 	ioapic_init_mappings();
 

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