diff options
Diffstat (limited to 'arch/sparc64/kernel/mdesc.c')
| -rw-r--r-- | arch/sparc64/kernel/mdesc.c | 53 |
1 files changed, 38 insertions, 15 deletions
diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c index 9e5088d563c..3f79940a293 100644 --- a/arch/sparc64/kernel/mdesc.c +++ b/arch/sparc64/kernel/mdesc.c @@ -434,6 +434,22 @@ static void __init report_platform_properties(void) if (v) printk("PLATFORM: max-cpus [%lu]\n", *v); +#ifdef CONFIG_SMP + { + int max_cpu, i; + + if (v) { + max_cpu = *v; + if (max_cpu > NR_CPUS) + max_cpu = NR_CPUS; + } else { + max_cpu = NR_CPUS; + } + for (i = 0; i < max_cpu; i++) + cpu_set(i, cpu_possible_map); + } +#endif + mdesc_release(hp); } @@ -451,9 +467,9 @@ static int inline find_in_proplist(const char *list, const char *match, int len) return 0; } -static void __init fill_in_one_cache(cpuinfo_sparc *c, - struct mdesc_handle *hp, - u64 mp) +static void __devinit fill_in_one_cache(cpuinfo_sparc *c, + struct mdesc_handle *hp, + u64 mp) { const u64 *level = mdesc_get_property(hp, mp, "level", NULL); const u64 *size = mdesc_get_property(hp, mp, "size", NULL); @@ -496,7 +512,8 @@ static void __init fill_in_one_cache(cpuinfo_sparc *c, } } -static void __init mark_core_ids(struct mdesc_handle *hp, u64 mp, int core_id) +static void __devinit mark_core_ids(struct mdesc_handle *hp, u64 mp, + int core_id) { u64 a; @@ -529,7 +546,7 @@ static void __init mark_core_ids(struct mdesc_handle *hp, u64 mp, int core_id) } } -static void __init set_core_ids(struct mdesc_handle *hp) +static void __devinit set_core_ids(struct mdesc_handle *hp) { int idx; u64 mp; @@ -554,7 +571,8 @@ static void __init set_core_ids(struct mdesc_handle *hp) } } -static void __init mark_proc_ids(struct mdesc_handle *hp, u64 mp, int proc_id) +static void __devinit mark_proc_ids(struct mdesc_handle *hp, u64 mp, + int proc_id) { u64 a; @@ -573,8 +591,8 @@ static void __init mark_proc_ids(struct mdesc_handle *hp, u64 mp, int proc_id) } } -static void __init __set_proc_ids(struct mdesc_handle *hp, - const char *exec_unit_name) +static void __devinit __set_proc_ids(struct mdesc_handle *hp, + const char *exec_unit_name) { int idx; u64 mp; @@ -595,13 +613,14 @@ static void __init __set_proc_ids(struct mdesc_handle *hp, } } -static void __init set_proc_ids(struct mdesc_handle *hp) +static void __devinit set_proc_ids(struct mdesc_handle *hp) { __set_proc_ids(hp, "exec_unit"); __set_proc_ids(hp, "exec-unit"); } -static void __init get_one_mondo_bits(const u64 *p, unsigned int *mask, unsigned char def) +static void __devinit get_one_mondo_bits(const u64 *p, unsigned int *mask, + unsigned char def) { u64 val; @@ -619,8 +638,8 @@ use_default: *mask = ((1U << def) * 64U) - 1U; } -static void __init get_mondo_data(struct mdesc_handle *hp, u64 mp, - struct trap_per_cpu *tb) +static void __devinit get_mondo_data(struct mdesc_handle *hp, u64 mp, + struct trap_per_cpu *tb) { const u64 *val; @@ -637,7 +656,7 @@ static void __init get_mondo_data(struct mdesc_handle *hp, u64 mp, get_one_mondo_bits(val, &tb->nonresum_qmask, 2); } -static void __init mdesc_fill_in_cpu_data(void) +void __devinit mdesc_fill_in_cpu_data(cpumask_t mask) { struct mdesc_handle *hp = mdesc_grab(); u64 mp; @@ -658,6 +677,8 @@ static void __init mdesc_fill_in_cpu_data(void) #ifdef CONFIG_SMP if (cpuid >= NR_CPUS) continue; + if (!cpu_isset(cpuid, mask)) + continue; #else /* On uniprocessor we only want the values for the * real physical cpu the kernel booted onto, however @@ -696,7 +717,6 @@ static void __init mdesc_fill_in_cpu_data(void) #ifdef CONFIG_SMP cpu_set(cpuid, cpu_present_map); - cpu_set(cpuid, phys_cpu_present_map); #endif c->core_id = 0; @@ -719,6 +739,7 @@ void __init sun4v_mdesc_init(void) { struct mdesc_handle *hp; unsigned long len, real_len, status; + cpumask_t mask; (void) sun4v_mach_desc(0UL, 0UL, &len); @@ -742,5 +763,7 @@ void __init sun4v_mdesc_init(void) cur_mdesc = hp; report_platform_properties(); - mdesc_fill_in_cpu_data(); + + cpus_setall(mask); + mdesc_fill_in_cpu_data(mask); } |