On Sun, 2021-11-28 at 09:43 -0800, Yury Norov wrote:

On Sun, Nov 28, 2021 at 09:07:52AM -0800, Joe Perches wrote:

quoted

On Sat, 2021-11-27 at 19:57 -0800, Yury Norov wrote:

quoted

Add num_{possible,present,active}_cpus_{eq,gt,le} and replace num_*_cpus()
with one of new functions where appropriate. This allows num_*_cpus_*()
to return earlier depending on the condition.

[]

quoted

diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c

[]

quoted

@@ -103,7 +103,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	 * if platform didn't set the present map already, do it now
 	 * boot cpu is set to present already by init/main.c
 	 */
-	if (num_present_cpus() <= 1)
+	if (num_present_cpus_le(2))
 		init_cpu_present(cpu_possible_mask);

?  is this supposed to be 2 or 1

X <= 1 is the equivalent of X < 2.

True. The call though is _le not _lt