diff options
Diffstat (limited to 'kernel/cpu.c')
-rw-r--r-- | kernel/cpu.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index ff071e022a85..67a60076dd7e 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c | |||
@@ -14,7 +14,6 @@ | |||
14 | #include <linux/kthread.h> | 14 | #include <linux/kthread.h> |
15 | #include <linux/stop_machine.h> | 15 | #include <linux/stop_machine.h> |
16 | #include <linux/mutex.h> | 16 | #include <linux/mutex.h> |
17 | #include <asm/tboot.h> | ||
18 | 17 | ||
19 | #ifdef CONFIG_SMP | 18 | #ifdef CONFIG_SMP |
20 | /* Serializes the updates to cpu_online_mask, cpu_present_mask */ | 19 | /* Serializes the updates to cpu_online_mask, cpu_present_mask */ |
@@ -377,7 +376,7 @@ static cpumask_var_t frozen_cpus; | |||
377 | 376 | ||
378 | int disable_nonboot_cpus(void) | 377 | int disable_nonboot_cpus(void) |
379 | { | 378 | { |
380 | int cpu, first_cpu, error, num_cpus = 0; | 379 | int cpu, first_cpu, error; |
381 | 380 | ||
382 | error = stop_machine_create(); | 381 | error = stop_machine_create(); |
383 | if (error) | 382 | if (error) |
@@ -392,7 +391,6 @@ int disable_nonboot_cpus(void) | |||
392 | for_each_online_cpu(cpu) { | 391 | for_each_online_cpu(cpu) { |
393 | if (cpu == first_cpu) | 392 | if (cpu == first_cpu) |
394 | continue; | 393 | continue; |
395 | num_cpus++; | ||
396 | error = _cpu_down(cpu, 1); | 394 | error = _cpu_down(cpu, 1); |
397 | if (!error) { | 395 | if (!error) { |
398 | cpumask_set_cpu(cpu, frozen_cpus); | 396 | cpumask_set_cpu(cpu, frozen_cpus); |
@@ -403,8 +401,6 @@ int disable_nonboot_cpus(void) | |||
403 | break; | 401 | break; |
404 | } | 402 | } |
405 | } | 403 | } |
406 | /* ensure all CPUs have gone into wait-for-SIPI */ | ||
407 | error |= tboot_wait_for_aps(num_cpus); | ||
408 | 404 | ||
409 | if (!error) { | 405 | if (!error) { |
410 | BUG_ON(num_online_cpus() > 1); | 406 | BUG_ON(num_online_cpus() > 1); |