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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 18:36:03 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 18:36:03 (GMT) |
commit | 7c7cbaf5b82c418cd3b1dcf718f71d0e6057e639 (patch) | |
tree | da9aaa5a246af464b1e10d88618c1cad07b76314 /arch/sh/include/asm/smp.h | |
parent | ba0234ec35127fe21d373db53cbaf9fe20620cb6 (diff) | |
parent | 4d0956b8f597aac10208ca763f8fe641fde16aab (diff) | |
download | linux-fsl-qoriq-7c7cbaf5b82c418cd3b1dcf718f71d0e6057e639.tar.xz |
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/include/asm/smp.h')
-rw-r--r-- | arch/sh/include/asm/smp.h | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h index 53ef26c..9070d94 100644 --- a/arch/sh/include/asm/smp.h +++ b/arch/sh/include/asm/smp.h @@ -3,15 +3,16 @@ #include <linux/bitops.h> #include <linux/cpumask.h> +#include <asm/smp-ops.h> #ifdef CONFIG_SMP #include <linux/spinlock.h> #include <asm/atomic.h> #include <asm/current.h> +#include <asm/percpu.h> #define raw_smp_processor_id() (current_thread_info()->cpu) -#define hard_smp_processor_id() plat_smp_processor_id() /* Map from cpu id to sequential logical cpu number. */ extern int __cpu_number_map[NR_CPUS]; @@ -30,20 +31,43 @@ enum { SMP_MSG_NR, /* must be last */ }; +DECLARE_PER_CPU(int, cpu_state); + void smp_message_recv(unsigned int msg); void smp_timer_broadcast(const struct cpumask *mask); void local_timer_interrupt(void); void local_timer_setup(unsigned int cpu); - -void plat_smp_setup(void); -void plat_prepare_cpus(unsigned int max_cpus); -int plat_smp_processor_id(void); -void plat_start_cpu(unsigned int cpu, unsigned long entry_point); -void plat_send_ipi(unsigned int cpu, unsigned int message); +void local_timer_stop(unsigned int cpu); void arch_send_call_function_single_ipi(int cpu); -extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); +void arch_send_call_function_ipi_mask(const struct cpumask *mask); + +void native_play_dead(void); +void native_cpu_die(unsigned int cpu); +int native_cpu_disable(unsigned int cpu); + +#ifdef CONFIG_HOTPLUG_CPU +void play_dead_common(void); +extern int __cpu_disable(void); + +static inline void __cpu_die(unsigned int cpu) +{ + extern struct plat_smp_ops *mp_ops; /* private */ + + mp_ops->cpu_die(cpu); +} +#endif + +static inline int hard_smp_processor_id(void) +{ + extern struct plat_smp_ops *mp_ops; /* private */ + + if (!mp_ops) + return 0; /* boot CPU */ + + return mp_ops->smp_processor_id(); +} #else |