linux-kernel - [PATCH 5/5] asm-generic: remove ptrace.h

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Message-Id: <20190501173943.5688-6-hch@lst.de>
Date:   Wed,  1 May 2019 13:39:43 -0400
From:   Christoph Hellwig <hch@....de>
To:     Oleg Nesterov <oleg@...hat.com>, Arnd Bergmann <arnd@...db.de>
Cc:     x86@...nel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mips@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-sh@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] asm-generic: remove ptrace.h

No one is using this helper anymore.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 MAINTAINERS                    |  1 -
 arch/mips/include/asm/ptrace.h |  5 ---
 include/asm-generic/ptrace.h   | 74 ----------------------------------
 3 files changed, 80 deletions(-)
 delete mode 100644 include/asm-generic/ptrace.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 5c38f21aee78..0d44b2369f42 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12586,7 +12586,6 @@ F:	include/linux/regset.h
 F:	include/linux/tracehook.h
 F:	include/uapi/linux/ptrace.h
 F:	include/uapi/linux/ptrace.h
-F:	include/asm-generic/ptrace.h
 F:	kernel/ptrace.c
 F:	arch/*/ptrace*.c
 F:	arch/*/*/ptrace*.c
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index b6578611dddb..1e76774b36dd 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -56,11 +56,6 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
 	return regs->regs[31];
 }
 
-/*
- * Don't use asm-generic/ptrace.h it defines FP accessors that don't make
- * sense on MIPS.  We rather want an error if they get invoked.
- */
-
 static inline void instruction_pointer_set(struct pt_regs *regs,
                                            unsigned long val)
 {
diff --git a/include/asm-generic/ptrace.h b/include/asm-generic/ptrace.h
deleted file mode 100644
index 82e674f6b337..000000000000
--- a/include/asm-generic/ptrace.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Common low level (register) ptrace helpers
- *
- * Copyright 2004-2011 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#ifndef __ASM_GENERIC_PTRACE_H__
-#define __ASM_GENERIC_PTRACE_H__
-
-#ifndef __ASSEMBLY__
-
-/* Helpers for working with the instruction pointer */
-#ifndef GET_IP
-#define GET_IP(regs) ((regs)->pc)
-#endif
-#ifndef SET_IP
-#define SET_IP(regs, val) (GET_IP(regs) = (val))
-#endif
-
-static inline unsigned long instruction_pointer(struct pt_regs *regs)
-{
-	return GET_IP(regs);
-}
-static inline void instruction_pointer_set(struct pt_regs *regs,
-                                           unsigned long val)
-{
-	SET_IP(regs, val);
-}
-
-#ifndef profile_pc
-#define profile_pc(regs) instruction_pointer(regs)
-#endif
-
-/* Helpers for working with the user stack pointer */
-#ifndef GET_USP
-#define GET_USP(regs) ((regs)->usp)
-#endif
-#ifndef SET_USP
-#define SET_USP(regs, val) (GET_USP(regs) = (val))
-#endif
-
-static inline unsigned long user_stack_pointer(struct pt_regs *regs)
-{
-	return GET_USP(regs);
-}
-static inline void user_stack_pointer_set(struct pt_regs *regs,
-                                          unsigned long val)
-{
-	SET_USP(regs, val);
-}
-
-/* Helpers for working with the frame pointer */
-#ifndef GET_FP
-#define GET_FP(regs) ((regs)->fp)
-#endif
-#ifndef SET_FP
-#define SET_FP(regs, val) (GET_FP(regs) = (val))
-#endif
-
-static inline unsigned long frame_pointer(struct pt_regs *regs)
-{
-	return GET_FP(regs);
-}
-static inline void frame_pointer_set(struct pt_regs *regs,
-                                     unsigned long val)
-{
-	SET_FP(regs, val);
-}
-
-#endif /* __ASSEMBLY__ */
-
-#endif
-- 
2.20.1