tree 61c91a3fc9785346dd966249fb4acbe1feae1909
parent 7c9a90073c75bffbb89763a0c7d44a2e44e9e628
author Eric W. Biederman <[EMAIL PROTECTED]> Tue, 26 Jul 2005 23:45:31 -0600
committer Linus Torvalds <[EMAIL PROTECTED]> Wed, 27 Jul 2005 04:35:42 -0700
[PATCH] x86_64: Implemenent machine_emergency_restart
It is not safe to call set_cpus_allowed() in interrupt
context and disabling the apics is complicated code.
So unconditionally skip machine_shutdown in machine_emergency_reboot
on x86_64.
Signed-off-by: Eric W. Biederman <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
arch/x86_64/kernel/reboot.c | 18 +++++++++++-------
include/asm-x86_64/emergency-restart.h | 2 +-
2 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/arch/x86_64/kernel/reboot.c b/arch/x86_64/kernel/reboot.c
--- a/arch/x86_64/kernel/reboot.c
+++ b/arch/x86_64/kernel/reboot.c
@@ -109,16 +109,10 @@ void machine_shutdown(void)
local_irq_enable();
}
-void machine_restart(char * __unused)
+void machine_emergency_restart(void)
{
int i;
- printk("machine restart\n");
-
- if (!reboot_force) {
- machine_shutdown();
- }
-
/* Tell the BIOS if we want cold or warm reboot */
*((unsigned short *)__va(0x472)) = reboot_mode;
@@ -143,6 +137,16 @@ void machine_restart(char * __unused)
}
}
+void machine_restart(char * __unused)
+{
+ printk("machine restart\n");
+
+ if (!reboot_force) {
+ machine_shutdown();
+ }
+ machine_emergency_restart();
+}
+
void machine_halt(void)
{
}
diff --git a/include/asm-x86_64/emergency-restart.h
b/include/asm-x86_64/emergency-restart.h
--- a/include/asm-x86_64/emergency-restart.h
+++ b/include/asm-x86_64/emergency-restart.h
@@ -1,6 +1,6 @@
#ifndef _ASM_EMERGENCY_RESTART_H
#define _ASM_EMERGENCY_RESTART_H
-#include <asm-generic/emergency-restart.h>
+extern void machine_emergency_restart(void);
#endif /* _ASM_EMERGENCY_RESTART_H */
-
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