The 'all' semantics is now supported by the bitmap_parselist() so we can drop supporting it as a special case in RCU code. This patch does not add any functional changes for existing users.
Signed-off-by: Yury Norov <[email protected]> --- kernel/rcu/tree_plugin.h | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 464b16132866..334eaf4d561f 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -1511,13 +1511,10 @@ static void rcu_cleanup_after_idle(void) static int __init rcu_nocb_setup(char *str) { alloc_bootmem_cpumask_var(&rcu_nocb_mask); - if (!strcasecmp(str, "all")) /* legacy: use "0-N" instead */ + if (cpulist_parse(str, rcu_nocb_mask)) { + pr_warn("rcu_nocbs= bad CPU range, all CPUs set\n"); cpumask_setall(rcu_nocb_mask); - else - if (cpulist_parse(str, rcu_nocb_mask)) { - pr_warn("rcu_nocbs= bad CPU range, all CPUs set\n"); - cpumask_setall(rcu_nocb_mask); - } + } return 1; } __setup("rcu_nocbs=", rcu_nocb_setup); -- 2.25.1
