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-rw-r--r--arch/powerpc/kernel/smp.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 2e05c783440a..820ae31e0231 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -1541,6 +1541,10 @@ void start_secondary(void *unused)
{
unsigned int cpu = raw_smp_processor_id();
+ /* PPC64 calls setup_kup() in early_setup_secondary() */
+ if (IS_ENABLED(CONFIG_PPC32))
+ setup_kup();
+
mmgrab(&init_mm);
current->active_mm = &init_mm;