openkylin
/
platform_kernel-5.15
mirror of https://gitee.com/openkylin/platform_kernel-5.15.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[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 <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Heiko Carstens 2006-02-11 17:56:00 -08:00 committed by Linus Torvalds
parent 25fab9ebac
commit 9733e2407a
1 changed files with 1 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/s390/kernel/smp.c
View File

@ -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;
}