commit c211b0bf0fce35af9f036cc1c49c3a7a3b2e94a5
author Nicholas Piggin <npiggin@gmail.com> Mon Mar 31 22:46:27 2025 +1000
committer Reza Arbab <arbab@linux.ibm.com> Fri Apr 18 09:42:50 2025 -0500
tree 001acda319985938915b38d30dbc5b53fefcbb02
parent 0381527a2fa99e66d79968c2e7ad09ef3ecec8b0

cpu: Do not access xscom registers for guarded CPUs

Guarded CPUs are powered down so access to their PC xscom registers
fails. This prevents the failed attempt and accompanying warnings.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Reza Arbab <arbab@linux.ibm.com>

core/init.c

diff --git a/core/init.c b/core/init.c
index 8e49bb9..fae6ec6 100644
--- a/core/init.c
+++ b/core/init.c
@@ -1017,7 +1017,7 @@
          * HID[5] and mask the checkstop that it can cause. CME does
          * the recovery handling for us.
          */
-        for_each_cpu(cpu) {
+	for_each_ungarded_primary(cpu) {
                 chip_id = cpu->chip_id;
                 core_id = pir_to_core_id(cpu->pir);