linux-kernel - [RFC PATCH 3/8] jump label v4

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Message-Id: <78fc1df24fa5d493b9b913222c90f19fa83cdb20.1263247114.git.jbaron@redhat.com>
Date:	Tue, 12 Jan 2010 11:26:31 -0500
From:	Jason Baron <jbaron@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu, mathieu.desnoyers@...ymtl.ca, hpa@...or.com,
	tglx@...utronix.de, rostedt@...dmis.org, andi@...stfloor.org,
	roland@...hat.com, rth@...hat.com, mhiramat@...hat.com
Subject: [RFC PATCH 3/8] jump label v4 - move opcode definitions

Move x86 opcode macros from arch/x86/include/asm/kprobes.h to
arch/x86/include/asm/alternative.h so they are useful outside of kprobes.

Signed-off-by: Jason Baron <jbaron@...hat.com>
---
 arch/x86/include/asm/alternative.h |    5 +++++
 arch/x86/include/asm/kprobes.h     |    4 ----
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index 9b856b7..7a7d457 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -166,6 +166,11 @@ static inline void apply_paravirt(struct paravirt_patch_site *start,
  */
 extern void *text_poke(void *addr, const void *opcode, size_t len);
 
+#define BREAKPOINT_INSTRUCTION  0xcc
+#define RELATIVEJUMP_OPCODE 0xe9
+#define RELATIVEJUMP_SIZE 5
+#define MAX_INSN_SIZE 16
+
 /*
  * Setup int3 trap and fixup execution for cross-modifying on SMP case.
  * If the other cpus execute modifying instruction, it will hit int3
diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
index febab97..15b1b12 100644
--- a/arch/x86/include/asm/kprobes.h
+++ b/arch/x86/include/asm/kprobes.h
@@ -31,10 +31,6 @@ struct pt_regs;
 struct kprobe;
 
 typedef u8 kprobe_opcode_t;
-#define BREAKPOINT_INSTRUCTION	0xcc
-#define RELATIVEJUMP_OPCODE 0xe9
-#define RELATIVEJUMP_SIZE 5
-#define MAX_INSN_SIZE 16
 #define MAX_STACK_SIZE 64
 #define MIN_STACK_SIZE(ADDR)					       \
 	(((MAX_STACK_SIZE) < (((unsigned long)current_thread_info()) + \
-- 
1.6.5.1

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