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Subject[PATCH x86] [15/16] Force __cpuinit on for CONFIG_PM without HOTPLUG_CPU
Date

This avoids the requirement to mark a lot of initialization functions not
__cpuinit just for resume from RAM.

More functions could be converted now, didn't do all.

Cc: rjw@sisk.pl
Cc: pavel@suse.cz

Signed-off-by: Andi Kleen <ak@suse.de>

---
arch/x86/Kconfig | 5 +++++
arch/x86/kernel/cpu/mtrr/main.c | 2 +-
arch/x86/kernel/trampoline_64.S | 2 +-
include/linux/init.h | 2 +-
4 files changed, 8 insertions(+), 3 deletions(-)

Index: linux/arch/x86/kernel/trampoline_64.S
===================================================================
--- linux.orig/arch/x86/kernel/trampoline_64.S
+++ linux/arch/x86/kernel/trampoline_64.S
@@ -34,7 +34,7 @@
#include <asm/segment.h>

/* We can free up trampoline after bootup if cpu hotplug is not supported. */
-#ifndef CONFIG_HOTPLUG_CPU
+#if !defined(CONFIG_HOTPLUG_CPU) && !defined(CONFIG_PM_CPUINIT)
.section .init.data, "aw", @progbits
#else
.section .rodata, "a", @progbits
Index: linux/include/linux/init.h
===================================================================
--- linux.orig/include/linux/init.h
+++ linux/include/linux/init.h
@@ -266,7 +266,7 @@ void __init parse_early_param(void);
#define __devexitdata __exitdata
#endif

-#ifdef CONFIG_HOTPLUG_CPU
+#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_PM_CPUINIT)
#define __cpuinit
#define __cpuinitdata
#define __cpuexit
Index: linux/arch/x86/Kconfig
===================================================================
--- linux.orig/arch/x86/Kconfig
+++ linux/arch/x86/Kconfig
@@ -130,6 +130,11 @@ config GENERIC_PENDING_IRQ
depends on GENERIC_HARDIRQS && SMP
default y

+config PM_CPUINIT
+ bool
+ depends on PM
+ default y
+
config X86_SMP
bool
depends on SMP && ((X86_32 && !X86_VOYAGER) || X86_64)
Index: linux/arch/x86/kernel/cpu/mtrr/main.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/mtrr/main.c
+++ linux/arch/x86/kernel/cpu/mtrr/main.c
@@ -712,7 +712,7 @@ void __init mtrr_bp_init(void)
}
}

-void mtrr_ap_init(void)
+void __cpuinit mtrr_ap_init(void)
{
unsigned long flags;


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