[tip:perf/core] kprobes/x86: Move kprobes stuff under arch/x86/kernel/kprobes/

From: tip-bot for Masami Hiramatsu
Date: Thu Jan 24 2013 - 14:46:58 EST


Commit-ID: f684199f5de805ac50ea5bdec2b082882586a777
Gitweb: http://git.kernel.org/tip/f684199f5de805ac50ea5bdec2b082882586a777
Author: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
AuthorDate: Fri, 28 Sep 2012 17:15:22 +0900
Committer: Steven Rostedt <rostedt@xxxxxxxxxxx>
CommitDate: Mon, 21 Jan 2013 13:22:37 -0500

kprobes/x86: Move kprobes stuff under arch/x86/kernel/kprobes/

Move arch-dep kprobes stuff under arch/x86/kernel/kprobes.

Link: http://lkml.kernel.org/r/20120928081522.3560.75469.stgit@xxxxxxxxxxxxxxxxxxxxxxxx

Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
[ fixed whitespace and s/__attribute__((packed))/__packed/ ]
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
arch/x86/kernel/Makefile | 4 +---
arch/x86/kernel/kprobes/Makefile | 7 +++++++
arch/x86/kernel/{kprobes-common.h => kprobes/common.h} | 0
arch/x86/kernel/{kprobes.c => kprobes/core.c} | 6 +++---
arch/x86/kernel/{kprobes-ftrace.c => kprobes/ftrace.c} | 2 +-
arch/x86/kernel/{kprobes-opt.c => kprobes/opt.c} | 2 +-
6 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index cc5d31f..ac3b3d0 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -65,9 +65,7 @@ obj-$(CONFIG_X86_TSC) += trace_clock.o
obj-$(CONFIG_KEXEC) += machine_kexec_$(BITS).o
obj-$(CONFIG_KEXEC) += relocate_kernel_$(BITS).o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o
-obj-$(CONFIG_KPROBES) += kprobes.o
-obj-$(CONFIG_OPTPROBES) += kprobes-opt.o
-obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftrace.o
+obj-y += kprobes/
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_DOUBLEFAULT) += doublefault_32.o
obj-$(CONFIG_KGDB) += kgdb.o
diff --git a/arch/x86/kernel/kprobes/Makefile b/arch/x86/kernel/kprobes/Makefile
new file mode 100644
index 0000000..0d33169
--- /dev/null
+++ b/arch/x86/kernel/kprobes/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for kernel probes
+#
+
+obj-$(CONFIG_KPROBES) += core.o
+obj-$(CONFIG_OPTPROBES) += opt.o
+obj-$(CONFIG_KPROBES_ON_FTRACE) += ftrace.o
diff --git a/arch/x86/kernel/kprobes-common.h b/arch/x86/kernel/kprobes/common.h
similarity index 100%
rename from arch/x86/kernel/kprobes-common.h
rename to arch/x86/kernel/kprobes/common.h
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes/core.c
similarity index 99%
rename from arch/x86/kernel/kprobes.c
rename to arch/x86/kernel/kprobes/core.c
index 18114bf..e124554 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -58,7 +58,7 @@
#include <asm/insn.h>
#include <asm/debugreg.h>

-#include "kprobes-common.h"
+#include "common.h"

void jprobe_return_end(void);

@@ -78,7 +78,7 @@ DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
* Groups, and some special opcodes can not boost.
* This is non-const and volatile to keep gcc from statically
* optimizing it out, as variable_test_bit makes gcc think only
- * *(unsigned long*) is used.
+ * *(unsigned long*) is used.
*/
static volatile u32 twobyte_is_boostable[256 / 32] = {
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
@@ -117,7 +117,7 @@ static void __kprobes __synthesize_relative_insn(void *from, void *to, u8 op)
struct __arch_relative_insn {
u8 op;
s32 raddr;
- } __attribute__((packed)) *insn;
+ } __packed *insn;

insn = (struct __arch_relative_insn *)from;
insn->raddr = (s32)((long)(to) - ((long)(from) + 5));
diff --git a/arch/x86/kernel/kprobes-ftrace.c b/arch/x86/kernel/kprobes/ftrace.c
similarity index 98%
rename from arch/x86/kernel/kprobes-ftrace.c
rename to arch/x86/kernel/kprobes/ftrace.c
index 70a81c7..23ef5c5 100644
--- a/arch/x86/kernel/kprobes-ftrace.c
+++ b/arch/x86/kernel/kprobes/ftrace.c
@@ -23,7 +23,7 @@
#include <linux/preempt.h>
#include <linux/ftrace.h>

-#include "kprobes-common.h"
+#include "common.h"

static int __skip_singlestep(struct kprobe *p, struct pt_regs *regs,
struct kprobe_ctlblk *kcb)
diff --git a/arch/x86/kernel/kprobes-opt.c b/arch/x86/kernel/kprobes/opt.c
similarity index 99%
rename from arch/x86/kernel/kprobes-opt.c
rename to arch/x86/kernel/kprobes/opt.c
index c5e410e..76dc6f0 100644
--- a/arch/x86/kernel/kprobes-opt.c
+++ b/arch/x86/kernel/kprobes/opt.c
@@ -37,7 +37,7 @@
#include <asm/insn.h>
#include <asm/debugreg.h>

-#include "kprobes-common.h"
+#include "common.h"

unsigned long __recover_optprobed_insn(kprobe_opcode_t *buf, unsigned long addr)
{
--
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