From 5f68563996e812f9ca35b3939ad2a42e5d254d66 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Fri, 4 Sep 2009 09:16:22 +0100 Subject: [PATCH] x86: cpuinit-annotate SMP boot trampolines properly Add missing annotations, and make use of include/linux/init.h's macros. Signed-off-by: Jan Beulich LKML-Reference: <4AA0E8F60200007800013703@vpn.id2.novell.com> Signed-off-by: Ingo Molnar --- arch/x86/kernel/trampoline.c | 4 ++-- arch/x86/kernel/trampoline_32.S | 8 ++------ arch/x86/kernel/trampoline_64.S | 5 +++-- 3 files changed, 7 insertions(+), 10 deletions(-) diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c index 808031a5ba1..699f7eeb896 100644 --- a/arch/x86/kernel/trampoline.c +++ b/arch/x86/kernel/trampoline.c @@ -4,7 +4,7 @@ #include /* ready for x86_64 and x86 */ -unsigned char *trampoline_base = __va(TRAMPOLINE_BASE); +unsigned char *__cpuinitdata trampoline_base = __va(TRAMPOLINE_BASE); void __init reserve_trampoline_memory(void) { @@ -26,7 +26,7 @@ void __init reserve_trampoline_memory(void) * bootstrap into the page concerned. The caller * has made sure it's suitably aligned. */ -unsigned long setup_trampoline(void) +unsigned long __cpuinit setup_trampoline(void) { memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE); return virt_to_phys(trampoline_base); diff --git a/arch/x86/kernel/trampoline_32.S b/arch/x86/kernel/trampoline_32.S index 66d874e5404..8508237e8e4 100644 --- a/arch/x86/kernel/trampoline_32.S +++ b/arch/x86/kernel/trampoline_32.S @@ -28,16 +28,12 @@ */ #include +#include #include #include /* We can free up trampoline after bootup if cpu hotplug is not supported. */ -#ifndef CONFIG_HOTPLUG_CPU -.section ".cpuinit.data","aw",@progbits -#else -.section .rodata,"a",@progbits -#endif - +__CPUINITRODATA .code16 ENTRY(trampoline_data) diff --git a/arch/x86/kernel/trampoline_64.S b/arch/x86/kernel/trampoline_64.S index cddfb8d386b..596d54c660a 100644 --- a/arch/x86/kernel/trampoline_64.S +++ b/arch/x86/kernel/trampoline_64.S @@ -25,14 +25,15 @@ */ #include +#include #include #include #include #include #include -.section .rodata, "a", @progbits - +/* We can free up the trampoline after bootup if cpu hotplug is not supported. */ +__CPUINITRODATA .code16 ENTRY(trampoline_data) -- 2.20.1