PeterCxy/irqbalance
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some variable and judgement are unnecessary in activate_mappings

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sign_off_by Shuang Xia <xiashuang1@huawei.com>
This commit is contained in:
Pyxisha 2019-07-15 10:44:50 +08:00
parent f7fdebbaa4
commit cfe3d10d37
1 changed files with 4 additions and 11 deletions
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15
activate.c
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@ -60,8 +60,6 @@ static void activate_mapping(struct irq_info *info, void *data __attribute__((un
{
char buf[PATH_MAX];
FILE *file;
cpumask_t applied_mask;
int valid_mask = 0;
/*
* only activate mappings for irqs that have moved
@ -69,18 +67,13 @@ static void activate_mapping(struct irq_info *info, void *data __attribute__((un
if (!info->moved)
return;
if (info->assigned_obj) {
applied_mask = info->assigned_obj->mask;
valid_mask = 1;
}
if (!info->assigned_obj)
return;
/*
* Don't activate anything for which we have an invalid mask
*/
if (!valid_mask || check_affinity(info, applied_mask))
return;
if (!info->assigned_obj)
if (check_affinity(info, info->assigned_obj->mask))
return;
sprintf(buf, "/proc/irq/%i/smp_affinity", info->irq);
@ -88,7 +81,7 @@ static void activate_mapping(struct irq_info *info, void *data __attribute__((un
if (!file)
return;
cpumask_scnprintf(buf, PATH_MAX, applied_mask);
cpumask_scnprintf(buf, PATH_MAX, info->assigned_obj->mask);
fprintf(file, "%s", buf);
fclose(file);
info->moved = 0; /*migration is done*/