[PATCH 02/17] powerpc/64: Remove asm interrupt tracing call helpers

Nicholas Piggin npiggin at gmail.com
Sun Nov 27 23:49:27 AEDT 2022


These are now unused. Remove.

Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
 arch/powerpc/include/asm/irqflags.h | 58 -----------------------------
 1 file changed, 58 deletions(-)

diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h
index 1a6c1ce17735..47d46712928a 100644
--- a/arch/powerpc/include/asm/irqflags.h
+++ b/arch/powerpc/include/asm/irqflags.h
@@ -11,64 +11,6 @@
  */
 #include <asm/hw_irq.h>
 
-#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.
- *
- * NB: This may call C code, so the caller must be prepared for volatiles to
- * be clobbered.
- */
-#define RECONCILE_IRQ_STATE(__rA, __rB)		\
-	lbz	__rA,PACAIRQSOFTMASK(r13);	\
-	lbz	__rB,PACAIRQHAPPENED(r13);	\
-	andi.	__rA,__rA,IRQS_DISABLED;	\
-	li	__rA,IRQS_DISABLED;		\
-	ori	__rB,__rB,PACA_IRQ_HARD_DIS;	\
-	stb	__rB,PACAIRQHAPPENED(r13);	\
-	bne	44f;				\
-	stb	__rA,PACAIRQSOFTMASK(r13);	\
-	TRACE_DISABLE_INTS;			\
-44:
-
-#else
-#define TRACE_ENABLE_INTS
-#define TRACE_DISABLE_INTS
-
-#define RECONCILE_IRQ_STATE(__rA, __rB)		\
-	lbz	__rA,PACAIRQHAPPENED(r13);	\
-	li	__rB,IRQS_DISABLED;		\
-	ori	__rA,__rA,PACA_IRQ_HARD_DIS;	\
-	stb	__rB,PACAIRQSOFTMASK(r13);	\
-	stb	__rA,PACAIRQHAPPENED(r13)
-#endif
 #endif
 
 #endif
-- 
2.37.2



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