Messages in this thread Patch in this message | | | Date | Wed, 8 Feb 2006 13:33:37 +0100 | From | Heiko Carstens <> | Subject | [patch 03/10] s390: earlier initialization of cpu_possible_map |
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From: Heiko Carstens <heiko.carstens@de.ibm.com>
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 <heiko.carstens@de.ibm.com> ---
arch/s390/kernel/smp.c | 6 +----- 1 files changed, 1 insertion(+), 5 deletions(-)
diff -urpN linux-2.6/arch/s390/kernel/smp.c linux-2.6-patched/arch/s390/kernel/smp.c --- linux-2.6/arch/s390/kernel/smp.c 2006-02-08 10:48:03.000000000 +0100 +++ linux-2.6-patched/arch/s390/kernel/smp.c 2006-02-08 10:48:43.000000000 +0100 @@ -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_c 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; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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