From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: [PATCH 02/17] powerpc/64: Remove asm interrupt tracing call helpers
Date: Sun, 27 Nov 2022 22:49:27 +1000 [thread overview]
Message-ID: <20221127124942.1665522-3-npiggin@gmail.com> (raw)
In-Reply-To: <20221127124942.1665522-1-npiggin@gmail.com>
These are now unused. Remove.
Signed-off-by: Nicholas Piggin <npiggin@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
next prev parent reply other threads:[~2022-11-27 12:52 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-27 12:49 [PATCH 00/17] powerpc: Remove STACK_FRAME_OVERHEAD Nicholas Piggin
2022-11-27 12:49 ` [PATCH 01/17] KVM: PPC: Book3E: Fix CONFIG_TRACE_IRQFLAGS support Nicholas Piggin
2022-11-27 12:49 ` Nicholas Piggin [this message]
2022-11-27 12:49 ` [PATCH 03/17] powerpc/perf: callchain validate kernel stack pointer bounds Nicholas Piggin
2022-11-27 12:49 ` [PATCH 04/17] powerpc: Rearrange copy_thread child stack creation Nicholas Piggin
2022-11-27 12:49 ` [PATCH 05/17] powerpc/pseries: hvcall stack frame overhead Nicholas Piggin
2022-11-27 12:49 ` [PATCH 06/17] powerpc: simplify ppc_save_regs Nicholas Piggin
2022-11-27 12:49 ` [PATCH 07/17] powerpc: add definition for pt_regs offset within an interrupt frame Nicholas Piggin
2022-11-27 12:49 ` [PATCH 08/17] powerpc: add a definition for the marker offset within the " Nicholas Piggin
2022-11-27 12:49 ` [PATCH 09/17] powerpc: Rename STACK_FRAME_MARKER and derive it from frame offset Nicholas Piggin
2022-11-27 12:49 ` [PATCH 10/17] powerpc: add a define for the user interrupt frame size Nicholas Piggin
2022-11-27 12:49 ` [PATCH 11/17] powerpc: add a define for the switch frame size and regs offset Nicholas Piggin
2022-11-27 12:49 ` [PATCH 12/17] powerpc: copy_thread fill in interrupt frame marker and back chain Nicholas Piggin
2022-11-27 12:49 ` [PATCH 13/17] powerpc: copy_thread add a back chain to the switch stack frame Nicholas Piggin
2022-11-27 12:49 ` [PATCH 14/17] powerpc: split validate_sp into two functions Nicholas Piggin
2022-11-27 12:49 ` [PATCH 15/17] powerpc: allow minimum sized kernel stack frames Nicholas Piggin
2022-11-27 12:49 ` [PATCH 16/17] powerpc/64: ELFv2 use minimal stack frames in int and switch frame sizes Nicholas Piggin
2022-11-27 12:49 ` [PATCH 17/17] powerpc: remove STACK_FRAME_OVERHEAD Nicholas Piggin
2022-12-08 12:40 ` [PATCH 00/17] powerpc: Remove STACK_FRAME_OVERHEAD Michael Ellerman
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