Subject: [RFC PATCH 03/19] powerpc/64: Remove asm interrupt tracing call helpers

From: Nicholas Piggin <[email-masked]>
Date: Mon, 31 Oct 2022 15:54:24 +1000

These are unused. Remove.

Signed-off-by: Nicholas Piggin <[email-masked]>
---
 arch/powerpc/include/asm/irqflags.h | 29 -----------------------------
 1 file changed, 29 deletions(-)

diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h
index 1a6c1ce17735..81e0a5025be8 100644
--- a/arch/powerpc/include/asm/irqflags.h
+++ b/arch/powerpc/include/asm/irqflags.h
@@ -13,32 +13,6 @@
 
 #else
 #ifdef CONFIG_TRACE_IRQFLAGS
-#ifdef CONFIG_IRQSOFF_TRACER
-/*
- * Since the ftrace irqsoff latency trace checks CALLER_ADDR1,
- * which is the stack frame here, we need to force a stack frame
- * in case we came from user space.
- */
-#define TRACE_WITH_FRAME_BUFFER(func)		\
-	mflr	r0;				\
-	stdu	r1, -STACK_FRAME_OVERHEAD(r1);	\
-	std	r0, 16(r1);			\
-	stdu	r1, -STACK_FRAME_OVERHEAD(r1);	\
-	bl func;				\
-	ld	r1, 0(r1);			\
-	ld	r1, 0(r1);
-#else
-#define TRACE_WITH_FRAME_BUFFER(func)		\
-	bl func;
-#endif
-
-/*
- * These are calls to C code, so the caller must be prepared for volatiles to
- * be clobbered.
- */
-#define TRACE_ENABLE_INTS	TRACE_WITH_FRAME_BUFFER(trace_hardirqs_on)
-#define TRACE_DISABLE_INTS	TRACE_WITH_FRAME_BUFFER(trace_hardirqs_off)
-
 /*
  * This is used by assembly code to soft-disable interrupts first and
  * reconcile irq state.
@@ -59,9 +33,6 @@
 44:
 
 #else
-#define TRACE_ENABLE_INTS
-#define TRACE_DISABLE_INTS
-
 #define RECONCILE_IRQ_STATE(__rA, __rB)		\
 	lbz	__rA,PACAIRQHAPPENED(r13);	\
 	li	__rB,IRQS_DISABLED;		\
-- 
2.37.2