diff options
author | Ingo Molnar <mingo@kernel.org> | 2014-01-05 12:34:29 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2014-01-05 12:34:29 +0100 |
commit | ef0b8b9a521c65201bfca9747ee1bf374296133c (patch) | |
tree | 644c3390c07d06fb7807182a4935f7c3f675b157 /arch/s390/kernel/smp.c | |
parent | 5c12af0c41e3417e1939095325920463b5f8e726 (diff) | |
parent | d6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc (diff) |
Merge tag 'v3.13-rc7' into x86/efi-kexec to resolve conflicts
Conflicts:
arch/x86/platform/efi/efi.c
drivers/firmware/efi/Kconfig
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/s390/kernel/smp.c')
-rw-r--r-- | arch/s390/kernel/smp.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index dc4a5346506..958704798f4 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -721,18 +721,14 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle) return 0; } -static int __init setup_possible_cpus(char *s) -{ - int max, cpu; +static unsigned int setup_possible_cpus __initdata; - if (kstrtoint(s, 0, &max) < 0) - return 0; - init_cpu_possible(cpumask_of(0)); - for (cpu = 1; cpu < max && cpu < nr_cpu_ids; cpu++) - set_cpu_possible(cpu, true); +static int __init _setup_possible_cpus(char *s) +{ + get_option(&s, &setup_possible_cpus); return 0; } -early_param("possible_cpus", setup_possible_cpus); +early_param("possible_cpus", _setup_possible_cpus); #ifdef CONFIG_HOTPLUG_CPU @@ -775,6 +771,17 @@ void __noreturn cpu_die(void) #endif /* CONFIG_HOTPLUG_CPU */ +void __init smp_fill_possible_mask(void) +{ + unsigned int possible, cpu; + + possible = setup_possible_cpus; + if (!possible) + possible = MACHINE_IS_VM ? 64 : nr_cpu_ids; + for (cpu = 0; cpu < possible && cpu < nr_cpu_ids; cpu++) + set_cpu_possible(cpu, true); +} + void __init smp_prepare_cpus(unsigned int max_cpus) { /* request the 0x1201 emergency signal external interrupt */ |