These will be used by subsequent patches. Signed-off-by: Nicholas Piggin <npig...@gmail.com> --- arch/powerpc/include/asm/interrupt.h | 52 ++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+)
diff --git a/arch/powerpc/include/asm/interrupt.h
b/arch/powerpc/include/asm/interrupt.h
index 3292f5094085..c5ffcf144bbd 100644
--- a/arch/powerpc/include/asm/interrupt.h
+++ b/arch/powerpc/include/asm/interrupt.h
@@ -5,6 +5,36 @@
#include <linux/context_tracking.h>
#include <asm/ftrace.h>
+struct interrupt_state {
+};
+
+static inline void interrupt_enter_prepare(struct pt_regs *regs, struct
interrupt_state *state)
+{
+}
+
+static inline void interrupt_exit_prepare(struct pt_regs *regs, struct
interrupt_state *state)
+{
+}
+
+static inline void interrupt_async_enter_prepare(struct pt_regs *regs, struct
interrupt_state *state)
+{
+}
+
+static inline void interrupt_async_exit_prepare(struct pt_regs *regs, struct
interrupt_state *state)
+{
+}
+
+struct interrupt_nmi_state {
+};
+
+static inline void interrupt_nmi_enter_prepare(struct pt_regs *regs, struct
interrupt_nmi_state *state)
+{
+}
+
+static inline void interrupt_nmi_exit_prepare(struct pt_regs *regs, struct
interrupt_nmi_state *state)
+{
+}
+
/**
* DECLARE_INTERRUPT_HANDLER_RAW - Declare raw interrupt handler function
* @func: Function name of the entry point
@@ -59,7 +89,13 @@ static __always_inline void ___##func(struct pt_regs *regs);
\
\
__visible noinstr void func(struct pt_regs *regs) \
{ \
+ struct interrupt_state state; \
+ \
+ interrupt_enter_prepare(regs, &state); \
+ \
___##func (regs); \
+ \
+ interrupt_exit_prepare(regs, &state); \
} \
\
static __always_inline void ___##func(struct pt_regs *regs)
@@ -87,10 +123,15 @@ static __always_inline long ___##func(struct pt_regs
*regs); \
\
__visible noinstr long func(struct pt_regs *regs) \
{ \
+ struct interrupt_state state; \
long ret; \
\
+ interrupt_enter_prepare(regs, &state); \
+ \
ret = ___##func (regs); \
\
+ interrupt_exit_prepare(regs, &state); \
+ \
return ret; \
} \
\
@@ -117,7 +158,13 @@ static __always_inline void ___##func(struct pt_regs
*regs); \
\
__visible noinstr void func(struct pt_regs *regs) \
{ \
+ struct interrupt_state state; \
+ \
+ interrupt_async_enter_prepare(regs, &state); \
+ \
___##func (regs); \
+ \
+ interrupt_async_exit_prepare(regs, &state); \
} \
\
static __always_inline void ___##func(struct pt_regs *regs)
@@ -145,10 +192,15 @@ static __always_inline long ___##func(struct pt_regs
*regs); \
\
__visible noinstr long func(struct pt_regs *regs) \
{ \
+ struct interrupt_nmi_state state; \
long ret; \
\
+ interrupt_nmi_enter_prepare(regs, &state); \
+ \
ret = ___##func (regs); \
\
+ interrupt_nmi_exit_prepare(regs, &state); \
+ \
return ret; \
} \
\
--
2.23.0
