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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 <jbeulich@novell.com>
LKML-Reference: <4AA0E8F60200007800013703@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jan Beulich 2009-09-04 09:16:22 +01:00 committed by Ingo Molnar
parent 414128bd33
commit 5f68563996
3 changed files with 7 additions and 10 deletions
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4
arch/x86/kernel/trampoline.c
View File

@ -4,7 +4,7 @@
#include <asm/e820.h> #include <asm/e820.h>
/* ready for x86_64 and x86 */ /* 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) void __init reserve_trampoline_memory(void)
{ {
@ -26,7 +26,7 @@ void __init reserve_trampoline_memory(void)
* bootstrap into the page concerned. The caller * bootstrap into the page concerned. The caller
* has made sure it's suitably aligned. * 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); memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE);
return virt_to_phys(trampoline_base); return virt_to_phys(trampoline_base);

8
arch/x86/kernel/trampoline_32.S
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@ -28,16 +28,12 @@
*/ */
#include <linux/linkage.h> #include <linux/linkage.h>
#include <linux/init.h>
#include <asm/segment.h> #include <asm/segment.h>
#include <asm/page_types.h> #include <asm/page_types.h>
/* We can free up trampoline after bootup if cpu hotplug is not supported. */ /* We can free up trampoline after bootup if cpu hotplug is not supported. */
#ifndef CONFIG_HOTPLUG_CPU __CPUINITRODATA
.section ".cpuinit.data","aw",@progbits
#else
.section .rodata,"a",@progbits
#endif
.code16 .code16
ENTRY(trampoline_data) ENTRY(trampoline_data)

5
arch/x86/kernel/trampoline_64.S
View File

@ -25,14 +25,15 @@
*/ */
#include <linux/linkage.h> #include <linux/linkage.h>
#include <linux/init.h>
#include <asm/pgtable_types.h> #include <asm/pgtable_types.h>
#include <asm/page_types.h> #include <asm/page_types.h>
#include <asm/msr.h> #include <asm/msr.h>
#include <asm/segment.h> #include <asm/segment.h>
#include <asm/processor-flags.h> #include <asm/processor-flags.h>
.section .rodata, "a", @progbits /* We can free up the trampoline after bootup if cpu hotplug is not supported. */
__CPUINITRODATA
.code16 .code16
ENTRY(trampoline_data) ENTRY(trampoline_data)