diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/include/asm/smp_32.h | 25 | ||||
| -rw-r--r-- | arch/sparc/kernel/sun4d_smp.c | 16 | ||||
| -rw-r--r-- | arch/sparc/kernel/sun4m_smp.c | 12 |
3 files changed, 33 insertions, 20 deletions
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index 7201752cf93..a8180e546a4 100644 --- a/arch/sparc/include/asm/smp_32.h +++ b/arch/sparc/include/asm/smp_32.h @@ -50,27 +50,24 @@ struct seq_file; void smp_bogo(struct seq_file *); void smp_info(struct seq_file *); -BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) +BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, cpumask_t, unsigned long, unsigned long, unsigned long, unsigned long) BTFIXUPDEF_CALL(int, __hard_smp_processor_id, void) BTFIXUPDEF_BLACKBOX(hard_smp_processor_id) BTFIXUPDEF_BLACKBOX(load_current) -#define smp_cross_call(func,arg1,arg2,arg3,arg4,arg5) BTFIXUP_CALL(smp_cross_call)(func,arg1,arg2,arg3,arg4,arg5) +#define smp_cross_call(func,mask,arg1,arg2,arg3,arg4) BTFIXUP_CALL(smp_cross_call)(func,mask,arg1,arg2,arg3,arg4) -static inline void xc0(smpfunc_t func) { smp_cross_call(func, 0, 0, 0, 0, 0); } +static inline void xc0(smpfunc_t func) { smp_cross_call(func, cpu_online_map, 0, 0, 0, 0); } static inline void xc1(smpfunc_t func, unsigned long arg1) -{ smp_cross_call(func, arg1, 0, 0, 0, 0); } +{ smp_cross_call(func, cpu_online_map, arg1, 0, 0, 0); } static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2) -{ smp_cross_call(func, arg1, arg2, 0, 0, 0); } +{ smp_cross_call(func, cpu_online_map, arg1, arg2, 0, 0); } static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2, unsigned long arg3) -{ smp_cross_call(func, arg1, arg2, arg3, 0, 0); } +{ smp_cross_call(func, cpu_online_map, arg1, arg2, arg3, 0); } static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4) -{ smp_cross_call(func, arg1, arg2, arg3, arg4, 0); } -static inline void xc5(smpfunc_t func, unsigned long arg1, unsigned long arg2, - unsigned long arg3, unsigned long arg4, unsigned long arg5) -{ smp_cross_call(func, arg1, arg2, arg3, arg4, arg5); } +{ smp_cross_call(func, cpu_online_map, arg1, arg2, arg3, arg4); } static inline int smp_call_function(void (*func)(void *info), void *info, int wait) { @@ -78,6 +75,14 @@ static inline int smp_call_function(void (*func)(void *info), void *info, int wa return 0; } +static inline int smp_call_function_single(int cpuid, void (*func) (void *info), + void *info, int wait) +{ + smp_cross_call((smpfunc_t)func, cpumask_of_cpu(cpuid), + (unsigned long) info, 0, 0, 0); + return 0; +} + static inline int cpu_logical_map(int cpu) { return cpu; diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index dfde77ff084..69596402a50 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -262,8 +262,9 @@ static struct smp_funcall { static DEFINE_SPINLOCK(cross_call_lock); /* Cross calls must be serialized, at least currently. */ -void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2, - unsigned long arg3, unsigned long arg4, unsigned long arg5) +static void smp4d_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, + unsigned long arg2, unsigned long arg3, + unsigned long arg4) { if(smp_processors_ready) { register int high = smp_highest_cpu; @@ -278,7 +279,7 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2, register unsigned long a2 asm("i2") = arg2; register unsigned long a3 asm("i3") = arg3; register unsigned long a4 asm("i4") = arg4; - register unsigned long a5 asm("i5") = arg5; + register unsigned long a5 asm("i5") = 0; __asm__ __volatile__( "std %0, [%6]\n\t" @@ -290,11 +291,10 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2, /* Init receive/complete mapping, plus fire the IPI's off. */ { - cpumask_t mask; register int i; - mask = cpumask_of_cpu(hard_smp4d_processor_id()); - cpus_andnot(mask, cpu_online_map, mask); + cpu_clear(smp_processor_id(), mask); + cpus_and(mask, cpu_online_map, mask); for(i = 0; i <= high; i++) { if (cpu_isset(i, mask)) { ccall_info.processors_in[i] = 0; @@ -309,12 +309,16 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2, i = 0; do { + if (!cpu_isset(i, mask)) + continue; while(!ccall_info.processors_in[i]) barrier(); } while(++i <= high); i = 0; do { + if (!cpu_isset(i, mask)) + continue; while(!ccall_info.processors_out[i]) barrier(); } while(++i <= high); diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 406ac1abc83..a14a76ac7f3 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -244,9 +244,9 @@ static struct smp_funcall { static DEFINE_SPINLOCK(cross_call_lock); /* Cross calls must be serialized, at least currently. */ -static void smp4m_cross_call(smpfunc_t func, unsigned long arg1, +static void smp4m_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, unsigned long arg2, unsigned long arg3, - unsigned long arg4, unsigned long arg5) + unsigned long arg4) { register int ncpus = SUN4M_NCPUS; unsigned long flags; @@ -259,14 +259,14 @@ static void smp4m_cross_call(smpfunc_t func, unsigned long arg1, ccall_info.arg2 = arg2; ccall_info.arg3 = arg3; ccall_info.arg4 = arg4; - ccall_info.arg5 = arg5; + ccall_info.arg5 = 0; /* Init receive/complete mapping, plus fire the IPI's off. */ { - cpumask_t mask = cpu_online_map; register int i; cpu_clear(smp_processor_id(), mask); + cpus_and(mask, cpu_online_map, mask); for(i = 0; i < ncpus; i++) { if (cpu_isset(i, mask)) { ccall_info.processors_in[i] = 0; @@ -284,12 +284,16 @@ static void smp4m_cross_call(smpfunc_t func, unsigned long arg1, i = 0; do { + if (!cpu_isset(i, mask)) + continue; while(!ccall_info.processors_in[i]) barrier(); } while(++i < ncpus); i = 0; do { + if (!cpu_isset(i, mask)) + continue; while(!ccall_info.processors_out[i]) barrier(); } while(++i < ncpus); |