[tip:perf/pebs] x86: Move MAX_INSN_SIZE into asm/insn.h

tip-bot for Peter Zijlstra
2010-03-10T13:21:09Z

Commit-ID: 30a813ae035d3e220a89609adce878e045c49547
Gitweb: http://git.kernel.org/tip/30a813ae035d3e220a89609adce878e045c49547
Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
AuthorDate: Thu, 4 Mar 2010 13:49:21 +0100
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Wed, 10 Mar 2010 13:23:34 +0100

x86: Move MAX_INSN_SIZE into asm/insn.h

Since there's now two users for this, place it in a common header.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Cc: paulus@samba.org
Cc: eranian@google.com
Cc: robert.richter@amd.com
Cc: fweisbec@gmail.com
LKML-Reference: <20100304140100.923774125@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/include/asm/insn.h | 2 ++
arch/x86/include/asm/kprobes.h | 2 +-
arch/x86/kernel/cpu/perf_event_intel_ds.c | 2 --
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h
index 96c2e0a..88c765e 100644
--- a/arch/x86/include/asm/insn.h
+++ b/arch/x86/include/asm/insn.h
@@ -68,6 +68,8 @@ struct insn {
const insn_byte_t *next_byte;
};

+#define MAX_INSN_SIZE 16
+
#define X86_MODRM_MOD(modrm) (((modrm) & 0xc0) >> 6)
#define X86_MODRM_REG(modrm) (((modrm) & 0x38) >> 3)
#define X86_MODRM_RM(modrm) ((modrm) & 0x07)
diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
index 4ffa345..5478825 100644
--- a/arch/x86/include/asm/kprobes.h
+++ b/arch/x86/include/asm/kprobes.h
@@ -24,6 +24,7 @@
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/percpu.h>
+#include <asm/insn.h>

#define __ARCH_WANT_KPROBES_INSN_SLOT

@@ -36,7 +37,6 @@ typedef u8 kprobe_opcode_t;
#define RELATIVEJUMP_SIZE 5
#define RELATIVECALL_OPCODE 0xe8
#define RELATIVE_ADDR_SIZE 4
-#define MAX_INSN_SIZE 16
#define MAX_STACK_SIZE 64
#define MIN_STACK_SIZE(ADDR) \
(((MAX_STACK_SIZE) < (((unsigned long)current_thread_info()) + \
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index ef56f05..72453ac 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -379,8 +379,6 @@ static void intel_pmu_pebs_disable_all(void)

#include <asm/insn.h>

-#define MAX_INSN_SIZE 16
-
static inline bool kernel_ip(unsigned long ip)
{
#ifdef CONFIG_X86_32