From 62b3a04d75d2dc9480d5ad3b60f4258e548a6a83 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Tue, 26 Jul 2005 11:45:31 -0600 Subject: [PATCH] [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 Signed-off-by: Linus Torvalds --- 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 index d4c45ff92d..3d1cc09406 100644 --- 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 index 108d8c48e4..680c395633 100644 --- 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 +extern void machine_emergency_restart(void); #endif /* _ASM_EMERGENCY_RESTART_H */ -- 2.39.5