summaryrefslogtreecommitdiff
path: root/arch/powerpc/mm/book3s32/kuap.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/mm/book3s32/kuap.c')
-rw-r--r--arch/powerpc/mm/book3s32/kuap.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/mm/book3s32/kuap.c b/arch/powerpc/mm/book3s32/kuap.c
index 1df55392878e..5533ed92ab3d 100644
--- a/arch/powerpc/mm/book3s32/kuap.c
+++ b/arch/powerpc/mm/book3s32/kuap.c
@@ -1,9 +1,15 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include <asm/kup.h>
+#include <asm/smp.h>
void __init setup_kuap(bool disabled)
{
+ kuap_update_sr(mfsr(0) | SR_KS, 0, TASK_SIZE);
+
+ if (smp_processor_id() != boot_cpuid)
+ return;
+
pr_info("Activating Kernel Userspace Access Protection\n");
if (disabled)