diff options
-rw-r--r-- | arch/x86/kernel/process_32.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/process_64.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/smp.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/smpboot.c | 8 | ||||
-rw-r--r-- | include/asm-x86/smp.h | 28 |
5 files changed, 37 insertions, 13 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 3b7a1ddcc0bc..e382fe0ccd66 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c | |||
@@ -91,7 +91,7 @@ static void cpu_exit_clear(void) | |||
91 | } | 91 | } |
92 | 92 | ||
93 | /* We don't actually take CPU down, just spin without interrupts. */ | 93 | /* We don't actually take CPU down, just spin without interrupts. */ |
94 | static inline void play_dead(void) | 94 | void native_play_dead(void) |
95 | { | 95 | { |
96 | /* This must be done before dead CPU ack */ | 96 | /* This must be done before dead CPU ack */ |
97 | cpu_exit_clear(); | 97 | cpu_exit_clear(); |
@@ -107,7 +107,7 @@ static inline void play_dead(void) | |||
107 | wbinvd_halt(); | 107 | wbinvd_halt(); |
108 | } | 108 | } |
109 | #else | 109 | #else |
110 | static inline void play_dead(void) | 110 | void native_play_dead(void) |
111 | { | 111 | { |
112 | BUG(); | 112 | BUG(); |
113 | } | 113 | } |
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 71553b664e2a..dfd3f5752085 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c | |||
@@ -90,7 +90,7 @@ DECLARE_PER_CPU(int, cpu_state); | |||
90 | 90 | ||
91 | #include <asm/nmi.h> | 91 | #include <asm/nmi.h> |
92 | /* We halt the CPU with physical CPU hotplug */ | 92 | /* We halt the CPU with physical CPU hotplug */ |
93 | static inline void play_dead(void) | 93 | void native_play_dead(void) |
94 | { | 94 | { |
95 | idle_task_exit(); | 95 | idle_task_exit(); |
96 | mb(); | 96 | mb(); |
@@ -102,7 +102,7 @@ static inline void play_dead(void) | |||
102 | wbinvd_halt(); | 102 | wbinvd_halt(); |
103 | } | 103 | } |
104 | #else | 104 | #else |
105 | static inline void play_dead(void) | 105 | void native_play_dead(void) |
106 | { | 106 | { |
107 | BUG(); | 107 | BUG(); |
108 | } | 108 | } |
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index 361b7a4c640c..18f9b19f5f8f 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c | |||
@@ -214,12 +214,16 @@ void smp_call_function_single_interrupt(struct pt_regs *regs) | |||
214 | struct smp_ops smp_ops = { | 214 | struct smp_ops smp_ops = { |
215 | .smp_prepare_boot_cpu = native_smp_prepare_boot_cpu, | 215 | .smp_prepare_boot_cpu = native_smp_prepare_boot_cpu, |
216 | .smp_prepare_cpus = native_smp_prepare_cpus, | 216 | .smp_prepare_cpus = native_smp_prepare_cpus, |
217 | .cpu_up = native_cpu_up, | ||
218 | .smp_cpus_done = native_smp_cpus_done, | 217 | .smp_cpus_done = native_smp_cpus_done, |
219 | 218 | ||
220 | .smp_send_stop = native_smp_send_stop, | 219 | .smp_send_stop = native_smp_send_stop, |
221 | .smp_send_reschedule = native_smp_send_reschedule, | 220 | .smp_send_reschedule = native_smp_send_reschedule, |
222 | 221 | ||
222 | .cpu_up = native_cpu_up, | ||
223 | .cpu_die = native_cpu_die, | ||
224 | .cpu_disable = native_cpu_disable, | ||
225 | .play_dead = native_play_dead, | ||
226 | |||
223 | .send_call_func_ipi = native_send_call_func_ipi, | 227 | .send_call_func_ipi = native_send_call_func_ipi, |
224 | .send_call_func_single_ipi = native_send_call_func_single_ipi, | 228 | .send_call_func_single_ipi = native_send_call_func_single_ipi, |
225 | }; | 229 | }; |
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 7985c5b3f916..c414cee296ba 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c | |||
@@ -1346,7 +1346,7 @@ static void __ref remove_cpu_from_maps(int cpu) | |||
1346 | numa_remove_cpu(cpu); | 1346 | numa_remove_cpu(cpu); |
1347 | } | 1347 | } |
1348 | 1348 | ||
1349 | int __cpu_disable(void) | 1349 | int native_cpu_disable(void) |
1350 | { | 1350 | { |
1351 | int cpu = smp_processor_id(); | 1351 | int cpu = smp_processor_id(); |
1352 | 1352 | ||
@@ -1385,7 +1385,7 @@ int __cpu_disable(void) | |||
1385 | return 0; | 1385 | return 0; |
1386 | } | 1386 | } |
1387 | 1387 | ||
1388 | void __cpu_die(unsigned int cpu) | 1388 | void native_cpu_die(unsigned int cpu) |
1389 | { | 1389 | { |
1390 | /* We don't do anything here: idle task is faking death itself. */ | 1390 | /* We don't do anything here: idle task is faking death itself. */ |
1391 | unsigned int i; | 1391 | unsigned int i; |
@@ -1403,12 +1403,12 @@ void __cpu_die(unsigned int cpu) | |||
1403 | printk(KERN_ERR "CPU %u didn't die...\n", cpu); | 1403 | printk(KERN_ERR "CPU %u didn't die...\n", cpu); |
1404 | } | 1404 | } |
1405 | #else /* ... !CONFIG_HOTPLUG_CPU */ | 1405 | #else /* ... !CONFIG_HOTPLUG_CPU */ |
1406 | int __cpu_disable(void) | 1406 | int native_cpu_disable(void) |
1407 | { | 1407 | { |
1408 | return -ENOSYS; | 1408 | return -ENOSYS; |
1409 | } | 1409 | } |
1410 | 1410 | ||
1411 | void __cpu_die(unsigned int cpu) | 1411 | void native_cpu_die(unsigned int cpu) |
1412 | { | 1412 | { |
1413 | /* We said "no" in __cpu_disable */ | 1413 | /* We said "no" in __cpu_disable */ |
1414 | BUG(); | 1414 | BUG(); |
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index 3c877f74f279..dbf4249e2a6d 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h | |||
@@ -47,12 +47,16 @@ extern struct { | |||
47 | struct smp_ops { | 47 | struct smp_ops { |
48 | void (*smp_prepare_boot_cpu)(void); | 48 | void (*smp_prepare_boot_cpu)(void); |
49 | void (*smp_prepare_cpus)(unsigned max_cpus); | 49 | void (*smp_prepare_cpus)(unsigned max_cpus); |
50 | int (*cpu_up)(unsigned cpu); | ||
51 | void (*smp_cpus_done)(unsigned max_cpus); | 50 | void (*smp_cpus_done)(unsigned max_cpus); |
52 | 51 | ||
53 | void (*smp_send_stop)(void); | 52 | void (*smp_send_stop)(void); |
54 | void (*smp_send_reschedule)(int cpu); | 53 | void (*smp_send_reschedule)(int cpu); |
55 | 54 | ||
55 | int (*cpu_up)(unsigned cpu); | ||
56 | int (*cpu_disable)(void); | ||
57 | void (*cpu_die)(unsigned int cpu); | ||
58 | void (*play_dead)(void); | ||
59 | |||
56 | void (*send_call_func_ipi)(cpumask_t mask); | 60 | void (*send_call_func_ipi)(cpumask_t mask); |
57 | void (*send_call_func_single_ipi)(int cpu); | 61 | void (*send_call_func_single_ipi)(int cpu); |
58 | }; | 62 | }; |
@@ -91,6 +95,21 @@ static inline int __cpu_up(unsigned int cpu) | |||
91 | return smp_ops.cpu_up(cpu); | 95 | return smp_ops.cpu_up(cpu); |
92 | } | 96 | } |
93 | 97 | ||
98 | static inline int __cpu_disable(void) | ||
99 | { | ||
100 | return smp_ops.cpu_disable(); | ||
101 | } | ||
102 | |||
103 | static inline void __cpu_die(unsigned int cpu) | ||
104 | { | ||
105 | smp_ops.cpu_die(cpu); | ||
106 | } | ||
107 | |||
108 | static inline void play_dead(void) | ||
109 | { | ||
110 | smp_ops.play_dead(); | ||
111 | } | ||
112 | |||
94 | static inline void smp_send_reschedule(int cpu) | 113 | static inline void smp_send_reschedule(int cpu) |
95 | { | 114 | { |
96 | smp_ops.smp_send_reschedule(cpu); | 115 | smp_ops.smp_send_reschedule(cpu); |
@@ -110,12 +129,13 @@ void native_smp_prepare_boot_cpu(void); | |||
110 | void native_smp_prepare_cpus(unsigned int max_cpus); | 129 | void native_smp_prepare_cpus(unsigned int max_cpus); |
111 | void native_smp_cpus_done(unsigned int max_cpus); | 130 | void native_smp_cpus_done(unsigned int max_cpus); |
112 | int native_cpu_up(unsigned int cpunum); | 131 | int native_cpu_up(unsigned int cpunum); |
132 | int native_cpu_disable(void); | ||
133 | void native_cpu_die(unsigned int cpu); | ||
134 | void native_play_dead(void); | ||
135 | |||
113 | void native_send_call_func_ipi(cpumask_t mask); | 136 | void native_send_call_func_ipi(cpumask_t mask); |
114 | void native_send_call_func_single_ipi(int cpu); | 137 | void native_send_call_func_single_ipi(int cpu); |
115 | 138 | ||
116 | extern int __cpu_disable(void); | ||
117 | extern void __cpu_die(unsigned int cpu); | ||
118 | |||
119 | void smp_store_cpu_info(int id); | 139 | void smp_store_cpu_info(int id); |
120 | #define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) | 140 | #define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) |
121 | 141 | ||