diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 11:36:03 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 11:36:03 -0700 |
commit | 7c7cbaf5b82c418cd3b1dcf718f71d0e6057e639 (patch) | |
tree | da9aaa5a246af464b1e10d88618c1cad07b76314 /arch/sh/kernel/idle.c | |
parent | ba0234ec35127fe21d373db53cbaf9fe20620cb6 (diff) | |
parent | 4d0956b8f597aac10208ca763f8fe641fde16aab (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (127 commits)
sh: update defconfigs.
sh: Fix up the NUMA build for recent LMB changes.
sh64: provide a stub per_cpu_trap_init() definition.
sh: fix up CONFIG_KEXEC=n build.
sh: fixup the docbook paths for clock framework shuffling.
driver core: Early dev_name() depends on slab_is_available().
sh: simplify WARN usage in SH clock driver
sh: Check return value of clk_get on ms7724
sh: Check return value of clk_get on ecovec24
sh: move sh clock-cpg.c contents to drivers/sh/clk-cpg.c
sh: move sh clock.c contents to drivers/sh/clk.
sh: move sh asm/clock.h contents to linux/sh_clk.h V2
sh: remove unused clock lookup
sh: switch boards to clkdev
sh: switch sh4-202 to clkdev
sh: switch shx3 to clkdev
sh: switch sh7757 to clkdev
sh: switch sh7763 to clkdev
sh: switch sh7780 to clkdev
sh: switch sh7786 to clkdev
...
Diffstat (limited to 'arch/sh/kernel/idle.c')
-rw-r--r-- | arch/sh/kernel/idle.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c index 273f890b17a..425d604e3a2 100644 --- a/arch/sh/kernel/idle.c +++ b/arch/sh/kernel/idle.c @@ -19,6 +19,7 @@ #include <asm/pgalloc.h> #include <asm/system.h> #include <asm/atomic.h> +#include <asm/smp.h> void (*pm_idle)(void) = NULL; @@ -89,10 +90,13 @@ void cpu_idle(void) while (1) { tick_nohz_stop_sched_tick(1); - while (!need_resched() && cpu_online(cpu)) { + while (!need_resched()) { check_pgt_cache(); rmb(); + if (cpu_is_offline(cpu)) + play_dead(); + local_irq_disable(); /* Don't trace irqs off for idle */ stop_critical_timings(); @@ -133,7 +137,7 @@ static void do_nothing(void *unused) void stop_this_cpu(void *unused) { local_irq_disable(); - cpu_clear(smp_processor_id(), cpu_online_map); + set_cpu_online(smp_processor_id(), false); for (;;) cpu_sleep(); |