diff options
Diffstat (limited to 'kernel/sched/isolation.c')
| -rw-r--r-- | kernel/sched/isolation.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/kernel/sched/isolation.c b/kernel/sched/isolation.c index 828dacec483e..883eee9fae22 100644 --- a/kernel/sched/isolation.c +++ b/kernel/sched/isolation.c @@ -94,6 +94,14 @@ static int __init housekeeping_setup(char *str, enum hk_flags flags) cpumask_var_t non_housekeeping_mask, housekeeping_staging; int err = 0; + if ((flags & HK_FLAG_TICK) && !(housekeeping_flags & HK_FLAG_TICK)) { + if (!IS_ENABLED(CONFIG_NO_HZ_FULL)) { + pr_warn("Housekeeping: nohz unsupported." + " Build with CONFIG_NO_HZ_FULL\n"); + return 0; + } + } + alloc_bootmem_cpumask_var(&non_housekeeping_mask); if (cpulist_parse(str, non_housekeeping_mask) < 0) { pr_warn("Housekeeping: nohz_full= or isolcpus= incorrect CPU range\n"); @@ -123,15 +131,8 @@ static int __init housekeeping_setup(char *str, enum hk_flags flags) } } - if ((flags & HK_FLAG_TICK) && !(housekeeping_flags & HK_FLAG_TICK)) { - if (IS_ENABLED(CONFIG_NO_HZ_FULL)) { - tick_nohz_full_setup(non_housekeeping_mask); - } else { - pr_warn("Housekeeping: nohz unsupported." - " Build with CONFIG_NO_HZ_FULL\n"); - goto free_housekeeping_staging; - } - } + if ((flags & HK_FLAG_TICK) && !(housekeeping_flags & HK_FLAG_TICK)) + tick_nohz_full_setup(non_housekeeping_mask); housekeeping_flags |= flags; err = 1; |