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-rw-r--r--arch/x86/kernel/trampoline.c12
-rw-r--r--arch/x86/kernel/trampoline_64.S4
2 files changed, 14 insertions, 2 deletions
diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c
index 699f7eeb896a..cd022121cab6 100644
--- a/arch/x86/kernel/trampoline.c
+++ b/arch/x86/kernel/trampoline.c
@@ -3,8 +3,16 @@
3#include <asm/trampoline.h> 3#include <asm/trampoline.h>
4#include <asm/e820.h> 4#include <asm/e820.h>
5 5
6#if defined(CONFIG_X86_64) && defined(CONFIG_ACPI_SLEEP)
7#define __trampinit
8#define __trampinitdata
9#else
10#define __trampinit __cpuinit
11#define __trampinitdata __cpuinitdata
12#endif
13
6/* ready for x86_64 and x86 */ 14/* ready for x86_64 and x86 */
7unsigned char *__cpuinitdata trampoline_base = __va(TRAMPOLINE_BASE); 15unsigned char *__trampinitdata trampoline_base = __va(TRAMPOLINE_BASE);
8 16
9void __init reserve_trampoline_memory(void) 17void __init reserve_trampoline_memory(void)
10{ 18{
@@ -26,7 +34,7 @@ void __init reserve_trampoline_memory(void)
26 * bootstrap into the page concerned. The caller 34 * bootstrap into the page concerned. The caller
27 * has made sure it's suitably aligned. 35 * has made sure it's suitably aligned.
28 */ 36 */
29unsigned long __cpuinit setup_trampoline(void) 37unsigned long __trampinit setup_trampoline(void)
30{ 38{
31 memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE); 39 memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE);
32 return virt_to_phys(trampoline_base); 40 return virt_to_phys(trampoline_base);
diff --git a/arch/x86/kernel/trampoline_64.S b/arch/x86/kernel/trampoline_64.S
index 596d54c660a5..3af2dff58b21 100644
--- a/arch/x86/kernel/trampoline_64.S
+++ b/arch/x86/kernel/trampoline_64.S
@@ -32,8 +32,12 @@
32#include <asm/segment.h> 32#include <asm/segment.h>
33#include <asm/processor-flags.h> 33#include <asm/processor-flags.h>
34 34
35#ifdef CONFIG_ACPI_SLEEP
36.section .rodata, "a", @progbits
37#else
35/* We can free up the trampoline after bootup if cpu hotplug is not supported. */ 38/* We can free up the trampoline after bootup if cpu hotplug is not supported. */
36__CPUINITRODATA 39__CPUINITRODATA
40#endif
37.code16 41.code16
38 42
39ENTRY(trampoline_data) 43ENTRY(trampoline_data)