diff options
author | Olof Johansson <olof@lixom.net> | 2012-02-07 18:04:15 -0500 |
---|---|---|
committer | Olof Johansson <olof@lixom.net> | 2012-02-07 18:05:20 -0500 |
commit | a5f17d1f4c2831b9b9bf8b1a537cdbac995d6e13 (patch) | |
tree | cce7eab28de00a88d75b8eda704f5838e10947b1 /arch/arm/kernel/smp.c | |
parent | dcf81c1af839b77b44404453ecae6e5ac5a75f05 (diff) | |
parent | 62aa2b537c6f5957afd98e29f96897419ed5ebab (diff) |
Merge tag 'v3.3-rc2' into depends/rmk/for-armsoc
There were conflicts between fixes going in after 3.3-rc1 and
Russell's stable arm-soc base branch. Resolving it in the dependency
branch so that each topic branch shares the same resolution.
Conflicts:
arch/arm/mach-at91/at91cap9.c
arch/arm/mach-at91/at91sam9g45.c
Diffstat (limited to 'arch/arm/kernel/smp.c')
-rw-r--r-- | arch/arm/kernel/smp.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 57db122a4f62..cdeb727527d3 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c | |||
@@ -233,20 +233,6 @@ void __ref cpu_die(void) | |||
233 | } | 233 | } |
234 | #endif /* CONFIG_HOTPLUG_CPU */ | 234 | #endif /* CONFIG_HOTPLUG_CPU */ |
235 | 235 | ||
236 | int __cpu_logical_map[NR_CPUS]; | ||
237 | |||
238 | void __init smp_setup_processor_id(void) | ||
239 | { | ||
240 | int i; | ||
241 | u32 cpu = is_smp() ? read_cpuid_mpidr() & 0xff : 0; | ||
242 | |||
243 | cpu_logical_map(0) = cpu; | ||
244 | for (i = 1; i < NR_CPUS; ++i) | ||
245 | cpu_logical_map(i) = i == cpu ? 0 : i; | ||
246 | |||
247 | printk(KERN_INFO "Booting Linux on physical CPU %d\n", cpu); | ||
248 | } | ||
249 | |||
250 | /* | 236 | /* |
251 | * Called by both boot and secondaries to move global data into | 237 | * Called by both boot and secondaries to move global data into |
252 | * per-processor storage. | 238 | * per-processor storage. |
@@ -443,9 +429,7 @@ static DEFINE_PER_CPU(struct clock_event_device, percpu_clockevent); | |||
443 | static void ipi_timer(void) | 429 | static void ipi_timer(void) |
444 | { | 430 | { |
445 | struct clock_event_device *evt = &__get_cpu_var(percpu_clockevent); | 431 | struct clock_event_device *evt = &__get_cpu_var(percpu_clockevent); |
446 | irq_enter(); | ||
447 | evt->event_handler(evt); | 432 | evt->event_handler(evt); |
448 | irq_exit(); | ||
449 | } | 433 | } |
450 | 434 | ||
451 | #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST | 435 | #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST |
@@ -548,7 +532,9 @@ void handle_IPI(int ipinr, struct pt_regs *regs) | |||
548 | 532 | ||
549 | switch (ipinr) { | 533 | switch (ipinr) { |
550 | case IPI_TIMER: | 534 | case IPI_TIMER: |
535 | irq_enter(); | ||
551 | ipi_timer(); | 536 | ipi_timer(); |
537 | irq_exit(); | ||
552 | break; | 538 | break; |
553 | 539 | ||
554 | case IPI_RESCHEDULE: | 540 | case IPI_RESCHEDULE: |
@@ -556,15 +542,21 @@ void handle_IPI(int ipinr, struct pt_regs *regs) | |||
556 | break; | 542 | break; |
557 | 543 | ||
558 | case IPI_CALL_FUNC: | 544 | case IPI_CALL_FUNC: |
545 | irq_enter(); | ||
559 | generic_smp_call_function_interrupt(); | 546 | generic_smp_call_function_interrupt(); |
547 | irq_exit(); | ||
560 | break; | 548 | break; |
561 | 549 | ||
562 | case IPI_CALL_FUNC_SINGLE: | 550 | case IPI_CALL_FUNC_SINGLE: |
551 | irq_enter(); | ||
563 | generic_smp_call_function_single_interrupt(); | 552 | generic_smp_call_function_single_interrupt(); |
553 | irq_exit(); | ||
564 | break; | 554 | break; |
565 | 555 | ||
566 | case IPI_CPU_STOP: | 556 | case IPI_CPU_STOP: |
557 | irq_enter(); | ||
567 | ipi_cpu_stop(cpu); | 558 | ipi_cpu_stop(cpu); |
559 | irq_exit(); | ||
568 | break; | 560 | break; |
569 | 561 | ||
570 | default: | 562 | default: |