diff options
Diffstat (limited to 'arch/x86_64/kernel/reboot.c')
-rw-r--r-- | arch/x86_64/kernel/reboot.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86_64/kernel/reboot.c b/arch/x86_64/kernel/reboot.c index 47f95687905..75235ed2b31 100644 --- a/arch/x86_64/kernel/reboot.c +++ b/arch/x86_64/kernel/reboot.c | |||
@@ -77,6 +77,7 @@ static inline void kb_wait(void) | |||
77 | 77 | ||
78 | void machine_shutdown(void) | 78 | void machine_shutdown(void) |
79 | { | 79 | { |
80 | unsigned long flags; | ||
80 | /* Stop the cpus and apics */ | 81 | /* Stop the cpus and apics */ |
81 | #ifdef CONFIG_SMP | 82 | #ifdef CONFIG_SMP |
82 | int reboot_cpu_id; | 83 | int reboot_cpu_id; |
@@ -98,7 +99,7 @@ void machine_shutdown(void) | |||
98 | smp_send_stop(); | 99 | smp_send_stop(); |
99 | #endif | 100 | #endif |
100 | 101 | ||
101 | local_irq_disable(); | 102 | local_irq_save(flags); |
102 | 103 | ||
103 | #ifndef CONFIG_SMP | 104 | #ifndef CONFIG_SMP |
104 | disable_local_APIC(); | 105 | disable_local_APIC(); |
@@ -106,7 +107,7 @@ void machine_shutdown(void) | |||
106 | 107 | ||
107 | disable_IO_APIC(); | 108 | disable_IO_APIC(); |
108 | 109 | ||
109 | local_irq_enable(); | 110 | local_irq_restore(flags); |
110 | } | 111 | } |
111 | 112 | ||
112 | void machine_emergency_restart(void) | 113 | void machine_emergency_restart(void) |
@@ -120,7 +121,7 @@ void machine_emergency_restart(void) | |||
120 | /* Could also try the reset bit in the Hammer NB */ | 121 | /* Could also try the reset bit in the Hammer NB */ |
121 | switch (reboot_type) { | 122 | switch (reboot_type) { |
122 | case BOOT_KBD: | 123 | case BOOT_KBD: |
123 | for (i=0; i<100; i++) { | 124 | for (i=0; i<10; i++) { |
124 | kb_wait(); | 125 | kb_wait(); |
125 | udelay(50); | 126 | udelay(50); |
126 | outb(0xfe,0x64); /* pulse reset low */ | 127 | outb(0xfe,0x64); /* pulse reset low */ |