[PATCH v1 2/2] powerpc/debug: hook to user return notifier infrastructure
Luming Yu
luming.yu at shingroup.cn
Mon Dec 18 14:13:37 AEDT 2023
Before we have powerpc to use the generic entry infrastructure,
the call to fire user return notifier is made temporarily in powerpc
entry code.
Signed-off-by: Luming Yu <luming.yu at shingroup.cn>
---
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 c4f6d3c69ba9..7fe704946e96 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
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