linux-kernel - [PATCH] arch/x86/kernel/ptrace.c: Remove redundant arg_offs

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Date:	Sat, 26 Dec 2015 21:49:58 +0800
From:	chengang@...ndsoft.com.cn
To:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org,
	Chen Gang <gang.chen.5i5j@...il.com>
Subject: [PATCH] arch/x86/kernel/ptrace.c: Remove redundant arg_offs_table

From: Chen Gang <gang.chen.5i5j@...il.com>

The related warning from gcc 6.0:

  arch/x86/kernel/ptrace.c:127:18: warning: ‘arg_offs_table’ defined but not used [-Wunused-const-variable]
   static const int arg_offs_table[] = {
                    ^~~~~~~~~~~~~~

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 arch/x86/kernel/ptrace.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 558f50e..32e9d9c 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -124,21 +124,6 @@ const char *regs_query_register_name(unsigned int offset)
 	return NULL;
 }
 
-static const int arg_offs_table[] = {
-#ifdef CONFIG_X86_32
-	[0] = offsetof(struct pt_regs, ax),
-	[1] = offsetof(struct pt_regs, dx),
-	[2] = offsetof(struct pt_regs, cx)
-#else /* CONFIG_X86_64 */
-	[0] = offsetof(struct pt_regs, di),
-	[1] = offsetof(struct pt_regs, si),
-	[2] = offsetof(struct pt_regs, dx),
-	[3] = offsetof(struct pt_regs, cx),
-	[4] = offsetof(struct pt_regs, r8),
-	[5] = offsetof(struct pt_regs, r9)
-#endif
-};
-
 /*
  * does not yet catch signals sent when the child dies.
  * in exit.c or in signal.c.
-- 
1.9.3

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