linux-kernel - [RFC PATCH v1 03/13] powerpc/ptrace: drop PARAMETER_SAVE_AREA

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Date:   Tue, 25 Jun 2019 10:58:08 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, mikey@...ling.org
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [RFC PATCH v1 03/13] powerpc/ptrace: drop PARAMETER_SAVE_AREA_OFFSET

PARAMETER_SAVE_AREA_OFFSET is not used, drop it.

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/kernel/ptrace/ptrace.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/arch/powerpc/kernel/ptrace/ptrace.c b/arch/powerpc/kernel/ptrace/ptrace.c
index 0afb223c4d57..cc8efcb404d6 100644
--- a/arch/powerpc/kernel/ptrace/ptrace.c
+++ b/arch/powerpc/kernel/ptrace/ptrace.c
@@ -48,16 +48,6 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/syscalls.h>
 
-/*
- * The parameter save area on the stack is used to store arguments being passed
- * to callee function and is located at fixed offset from stack pointer.
- */
-#ifdef CONFIG_PPC32
-#define PARAMETER_SAVE_AREA_OFFSET	24  /* bytes */
-#else /* CONFIG_PPC32 */
-#define PARAMETER_SAVE_AREA_OFFSET	48  /* bytes */
-#endif
-
 struct pt_regs_offset {
 	const char *name;
 	int offset;
-- 
2.13.3