From: Heiko Carstens Date: Sun, 12 Feb 2006 01:56:00 +0000 (-0800) Subject: [PATCH] s390: earlier initialization of cpu_possible_map X-Git-Tag: v2.6.16-rc3~17 X-Git-Url: http://ftp.safe.ca/?a=commitdiff_plain;h=9733e2407ad2237867cb13c04e7d619397fa3090;p=safe%2Fjmp%2Flinux-2.6 [PATCH] s390: earlier initialization of cpu_possible_map Initiliazing of cpu_possible_map was done in smp_prepare_cpus which is way too late. Therefore assign a static value to cpu_possible_map, since we don't have access to max_cpus in setup_arch. Signed-off-by: Heiko Carstens Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index cbfcfd0..0d1ad5d 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -52,7 +52,7 @@ extern volatile int __cpu_logical_map[]; struct _lowcore *lowcore_ptr[NR_CPUS]; cpumask_t cpu_online_map; -cpumask_t cpu_possible_map; +cpumask_t cpu_possible_map = CPU_MASK_ALL; static struct task_struct *current_set[NR_CPUS]; @@ -514,9 +514,6 @@ __init smp_check_cpus(unsigned int max_cpus) num_cpus++; } - for (cpu = 1; cpu < max_cpus; cpu++) - cpu_set(cpu, cpu_possible_map); - printk("Detected %d CPU's\n",(int) num_cpus); printk("Boot cpu address %2X\n", boot_cpu_addr); } @@ -810,7 +807,6 @@ void __devinit smp_prepare_boot_cpu(void) cpu_set(0, cpu_online_map); cpu_set(0, cpu_present_map); - cpu_set(0, cpu_possible_map); S390_lowcore.percpu_offset = __per_cpu_offset[0]; current_set[0] = current; }