[PATCH 4/7] powerpc/debug: hook to user return notifier infrastructure

[Luming Yu]

calls back to all registered user return notifier functions.

Signed-off-by: Luming Yu <luming.yu@xxxxxxxxxxxx>
---
 arch/powerpc/kernel/interrupt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c
index 8c532cecbc60..609ba48034de 100644
--- a/arch/powerpc/kernel/interrupt.c
+++ b/arch/powerpc/kernel/interrupt.c
@@ -19,6 +19,7 @@
 #include <asm/time.h>
 #include <asm/tm.h>
 #include <asm/unistd.h>
+#include <asm/entry-common.h>
 
 #if defined(CONFIG_PPC_ADV_DEBUG_REGS) && defined(CONFIG_PPC32)
 unsigned long global_dbcr0[NR_CPUS];
@@ -245,6 +246,8 @@ interrupt_exit_user_prepare_main(unsigned long ret, struct pt_regs *regs)
 	/* Restore user access locks last */
 	kuap_user_restore(regs);
 
+	arch_exit_to_user_mode_prepare(regs, ti_flags);
+
 	return ret;
 }
 
-- 
2.42.0.windows.2