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[PATCH] i386: Implement machine_emergency_reboot

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set_cpus_allowed is not safe in interrupt context
and disabling apics is complicated code so don't
call machine_shutdown on i386 from emergency_restart().

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Eric W. Biederman 2005-07-26 11:41:26 -06:00 committed by Linus Torvalds
parent 59586e5a26
commit 4a1421f81b
2 changed files with 8 additions and 4 deletions
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10
arch/i386/kernel/reboot.c
View file

@ -311,10 +311,8 @@ void machine_shutdown(void)
#endif
}
void machine_restart(char * __unused)
void machine_emergency_restart(void)
{
machine_shutdown();
if (!reboot_thru_bios) {
if (efi_enabled) {
efi.reset_system(EFI_RESET_COLD, EFI_SUCCESS, 0, NULL);
@ -337,6 +335,12 @@ void machine_restart(char * __unused)
machine_real_restart(jump_to_bios, sizeof(jump_to_bios));
}
void machine_restart(char * __unused)
{
machine_shutdown();
machine_emergency_restart();
}
void machine_halt(void)
{
}

2
include/asm-i386/emergency-restart.h
View file

@ -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 */