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From: Masami Hiramatsu <mhiramat@redhat.com>
To: Frederic Weisbecker <fweisbec@gmail.com>,
	Ingo Molnar <mingo@elte.hu>,
	        Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	        lkml<linux-kernel@vger.kernel.org>
Cc: systemtap<systemtap@sources.redhat.com>,
	        DLE<dle-develop@lists.sourceforge.net>,
	        Masami Hiramatsu <mhiramat@redhat.com>,
	        Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	        Ingo Molnar <mingo@elte.hu>,
	Jim Keniston <jkenisto@us.ibm.com>,
	        Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
	        Christoph Hellwig <hch@infradead.org>,
	        Steven Rostedt <rostedt@goodmis.org>,
	        Frederic Weisbecker <fweisbec@gmail.com>,
	        "H. Peter Anvin" <hpa@zytor.com>,
	Anders Kaseorg <andersk@ksplice.com>,
	        Tim Abbott <tabbott@ksplice.com>,
	Andi Kleen <andi@firstfloor.org>,
	        Jason Baron <jbaron@redhat.com>,
	        Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Subject: [PATCH -tip v6 01/11] kprobes/x86: Cleanup RELATIVEJUMP_INSTRUCTION 	to RELATIVEJUMP_OPCODE
Date: Wed, 25 Nov 2009 16:55:00 -0000	[thread overview]
Message-ID: <20091125165518.6073.2174.stgit@harusame> (raw)
In-Reply-To: <20091125165510.6073.48721.stgit@harusame>

Change RELATIVEJUMP_INSTRUCTION macro to RELATIVEJUMP_OPCODE since it
represents just the opcode byte.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Anders Kaseorg <andersk@ksplice.com>
Cc: Tim Abbott <tabbott@ksplice.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---

 arch/x86/include/asm/kprobes.h |    2 +-
 arch/x86/kernel/kprobes.c      |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
index 4fe681d..eaec8ea 100644
--- a/arch/x86/include/asm/kprobes.h
+++ b/arch/x86/include/asm/kprobes.h
@@ -32,7 +32,7 @@ struct kprobe;
 
 typedef u8 kprobe_opcode_t;
 #define BREAKPOINT_INSTRUCTION	0xcc
-#define RELATIVEJUMP_INSTRUCTION 0xe9
+#define RELATIVEJUMP_OPCODE 0xe9
 #define MAX_INSN_SIZE 16
 #define MAX_STACK_SIZE 64
 #define MIN_STACK_SIZE(ADDR)					       \
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 1f3186c..b6b75f1 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -115,7 +115,7 @@ static void __kprobes set_jmp_op(void *from, void *to)
 	} __attribute__((packed)) * jop;
 	jop = (struct __arch_jmp_op *)from;
 	jop->raddr = (s32)((long)(to) - ((long)(from) + 5));
-	jop->op = RELATIVEJUMP_INSTRUCTION;
+	jop->op = RELATIVEJUMP_OPCODE;
 }
 
 /*


-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com

  parent reply	other threads:[~2009-11-25 16:55 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-25 16:55 [PATCH -tip v6 00/11] kprobes: Kprobes jump optimization support Masami Hiramatsu
2009-11-25 16:55 ` [PATCH -tip v6 03/11] kprobes: Introduce kprobes jump optimization Masami Hiramatsu
2009-11-25 16:55 ` [PATCH -tip v6 06/11] kprobes/x86: Cleanup save/restore registers Masami Hiramatsu
2009-11-25 16:55 ` [PATCH -tip v6 04/11] kprobes: Jump optimization sysctl interface Masami Hiramatsu
2009-11-27 22:29   ` Eric W. Biederman
2009-11-28 16:11     ` Masami Hiramatsu
2009-12-01  0:08     ` [PATCH -tip v6.1 " Masami Hiramatsu
2009-11-25 16:55 ` [PATCH -tip v6 02/11] kprobes: Introduce generic insn_slot framework Masami Hiramatsu
2009-11-25 16:55 ` [PATCH -tip v6 05/11] kprobes/x86: Boost probes when reentering Masami Hiramatsu
2009-11-25 16:55 ` Masami Hiramatsu [this message]
2009-11-25 16:56 ` [PATCH -tip v6 10/11] [RFC] x86: Introduce generic jump patching without stop_machine Masami Hiramatsu
2009-11-25 16:56 ` [PATCH -tip v6 09/11] kprobes: Add documents of jump optimization Masami Hiramatsu
2009-11-25 16:56 ` [PATCH -tip v6 11/11] [RFC] kprobes/x86: Use text_poke_fixup() for " Masami Hiramatsu
2009-11-25 16:56 ` [PATCH -tip v6 08/11] kprobes/x86: Support kprobes jump optimization on x86 Masami Hiramatsu
2009-11-25 16:56 ` [PATCH -tip v6 07/11] x86: Add text_poke_smp for SMP cross modifying code Masami Hiramatsu

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