diff options
| author |   Rich Felker <dalias@libc.org> | 2016-02-12 22:05:11 +0000 |
|---|---|---|
| committer | Rich Felker <dalias@libc.org> | 2016-03-17 19:46:09 +0000 |
| commit | 45624ac38926c8c2f1a63b4a39e7b1997743e1b3 (patch) | |
| tree | 75b4a24dd31fc8a6101985f5f7d6ba865de00e54 /arch/sh/kernel/smp.c | |
| parent | sh: make MMU-specific SMP code conditional on CONFIG_MMU (diff) | |
| download | linux-dev-45624ac38926c8c2f1a63b4a39e7b1997743e1b3.tar.xz linux-dev-45624ac38926c8c2f1a63b4a39e7b1997743e1b3.zip | |
sh: remove arch-specific localtimer and use generic one
The code being removed was copied from arm, where the corresponding
code was removed in 2013. The only functional change should be that
the rating of the dummy local timer changes from 400 to 100.
Signed-off-by: Rich Felker <dalias@libc.org>
Diffstat (limited to 'arch/sh/kernel/smp.c')
| -rw-r--r-- | arch/sh/kernel/smp.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index a66f2aa53dac..cbfb98802378 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/atomic.h> +#include <linux/clockchips.h> #include <asm/processor.h> #include <asm/mmu_context.h> #include <asm/smp.h> @@ -141,11 +142,6 @@ int __cpu_disable(void) migrate_irqs(); /* - * Stop the local timer for this CPU. - */ - local_timer_stop(cpu); - - /* * Flush user cache and TLB mappings, and then remove this CPU * from the vm mask set of all processes. */ @@ -198,8 +194,6 @@ asmlinkage void start_secondary(void) local_irq_enable(); - /* Enable local timers */ - local_timer_setup(cpu); calibrate_delay(); smp_store_cpu_info(cpu); @@ -289,7 +283,8 @@ void arch_send_call_function_single_ipi(int cpu) mp_ops->send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE); } -void smp_timer_broadcast(const struct cpumask *mask) +#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST +void tick_broadcast(const struct cpumask *mask) { int cpu; @@ -300,9 +295,10 @@ void smp_timer_broadcast(const struct cpumask *mask) static void ipi_timer(void) { irq_enter(); - local_timer_interrupt(); + tick_receive_broadcast(); irq_exit(); } +#endif void smp_message_recv(unsigned int msg) { @@ -316,9 +312,11 @@ void smp_message_recv(unsigned int msg) case SMP_MSG_FUNCTION_SINGLE: generic_smp_call_function_single_interrupt(); break; +#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST case SMP_MSG_TIMER: ipi_timer(); break; +#endif default: printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n", smp_processor_id(), __func__, msg); |