powerpc: Fix misleading small cores print
authorMichael Neuling <mikey@neuling.org>
Thu, 28 May 2020 23:07:31 +0000 (09:07 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 2 Jun 2020 10:59:06 +0000 (20:59 +1000)
Currently when we boot on a big core system, we get this print:
  [    0.040500] Using small cores at SMT level

This is misleading as we've actually detected big cores.

This patch clears up the print to say we've detect big cores but are
using small cores for scheduling.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200528230731.1235752-1-mikey@neuling.org
arch/powerpc/kernel/smp.c

index 6d2a3a3..c820c95 100644 (file)
@@ -1383,7 +1383,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
 
 #ifdef CONFIG_SCHED_SMT
        if (has_big_cores) {
-               pr_info("Using small cores at SMT level\n");
+               pr_info("Big cores detected but using small core scheduling\n");
                power9_topology[0].mask = smallcore_smt_mask;
                powerpc_topology[0].mask = smallcore_smt_mask;
        }