[PATCH 4/6] powerpc/64s/kuap: restore AMR in system reset exception

[Nicholas Piggin]

system reset interrupt handler locks AMR and exits with
PTION_RESTORE_REGS without restoring AMR. Similarly to the soft-NMI
ler, it needs to restore.

ed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
 arch/powerpc/kernel/exceptions-64s.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 728ccb0f560c..b0ad930cbae5 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -971,6 +971,7 @@ EXC_COMMON_BEGIN(system_reset_common)
 	ld	r10,SOFTE(r1)
 	stb	r10,PACAIRQSOFTMASK(r13)
 
+	kuap_restore_amr r10
 	EXCEPTION_RESTORE_REGS
 	RFI_TO_USER_OR_KERNEL
 
-- 
2.23.0