From 82a7cebdd95cffa55449d6c1d97cc9b743a66056 Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Fri, 29 May 2020 09:07:31 +1000
Subject: [PATCH] powerpc: Fix misleading small cores print
References: jsc#SLE-13617 bsc#1176912 ltc#186322
Patch-mainline: v5.8-rc1
Git-commit: 82a7cebdd95cffa55449d6c1d97cc9b743a66056
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
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
arch/powerpc/kernel/smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 6d2a3a3666f0..c820c95162ff 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -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;
}
--
2.28.0