The patch titled
Move kprobes examples to samples/ (checkpatch fixes)
has been added to the -mm tree. Its filename is
move-kprobes-examples-to-samples-resend-checkpatch-fixes.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Move kprobes examples to samples/ (checkpatch fixes)
From: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
o Modified examples code to build on multiple architectures. Currently,
the examples code works for x86_64, x86_32 and powerpc
o Cleaned up unneeded #includes
Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Signed-off-by: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
samples/kprobes/jprobe_example.c | 11 ++++++-----
samples/kprobes/kprobe_example.c | 24 ++++++++++++++----------
samples/kprobes/kretprobe_example.c | 12 +++++++-----
3 files changed, 27 insertions(+), 20 deletions(-)
diff -puN samples/kprobes/jprobe_example.c~move-kprobes-examples-to-samples-resend-checkpatch-fixes samples/kprobes/jprobe_example.c
--- a/samples/kprobes/jprobe_example.c~move-kprobes-examples-to-samples-resend-checkpatch-fixes
+++ a/samples/kprobes/jprobe_example.c
@@ -22,9 +22,10 @@
/* Proxy routine having the same arguments as actual do_fork() routine */
static long jdo_fork(unsigned long clone_flags, unsigned long stack_start,
struct pt_regs *regs, unsigned long stack_size,
- int __user * parent_tidptr, int __user * child_tidptr)
+ int __user *parent_tidptr, int __user *child_tidptr)
{
- printk("jprobe: clone_flags = 0x%lx, stack_size = 0x%lx, regs = 0x%p\n",
+ printk(KERN_INFO "jprobe: clone_flags = 0x%lx, stack_size = 0x%lx,"
+ " regs = 0x%p\n",
clone_flags, stack_size, regs);
/* Always end with a call to jprobe_return(). */
@@ -45,10 +46,10 @@ static int __init jprobe_init(void)
ret = register_jprobe(&my_jprobe);
if (ret < 0) {
- printk("register_jprobe failed, returned %d\n", ret);
+ printk(KERN_INFO "register_jprobe failed, returned %d\n", ret);
return -1;
}
- printk("Planted jprobe at %p, handler addr %p\n",
+ printk(KERN_INFO "Planted jprobe at %p, handler addr %p\n",
my_jprobe.kp.addr, my_jprobe.entry);
return 0;
}
@@ -56,7 +57,7 @@ static int __init jprobe_init(void)
static void __exit jprobe_exit(void)
{
unregister_jprobe(&my_jprobe);
- printk("jprobe at %p unregistered\n", my_jprobe.kp.addr);
+ printk(KERN_INFO "jprobe at %p unregistered\n", my_jprobe.kp.addr);
}
module_init(jprobe_init)
diff -puN samples/kprobes/kprobe_example.c~move-kprobes-examples-to-samples-resend-checkpatch-fixes samples/kprobes/kprobe_example.c
--- a/samples/kprobes/kprobe_example.c~move-kprobes-examples-to-samples-resend-checkpatch-fixes
+++ a/samples/kprobes/kprobe_example.c
@@ -20,15 +20,18 @@ static struct kprobe kp = {
static int handler_pre(struct kprobe *p, struct pt_regs *regs)
{
#ifdef CONFIG_X86_32
- printk("pre_handler: p->addr = 0x%p, eip = %lx, eflags = 0x%lx\n",
+ printk(KERN_INFO "pre_handler: p->addr = 0x%p, eip = %lx,"
+ " eflags = 0x%lx\n",
p->addr, regs->eip, regs->eflags);
#endif
#ifdef CONFIG_X86_64
- printk("pre_handler: p->addr = 0x%p, rip = %lx, eflags = 0x%lx\n",
+ printk(KERN_INFO "pre_handler: p->addr = 0x%p, rip = %lx,"
+ " eflags = 0x%lx\n",
p->addr, regs->rip, regs->eflags);
#endif
#ifdef CONFIG_PPC
- printk("pre_handler: p->addr = 0x%p, nip = 0x%lx, msr = 0x%lx\n",
+ printk(KERN_INFO "pre_handler: p->addr = 0x%p, nip = 0x%lx,"
+ " msr = 0x%lx\n",
p->addr, regs->nip, regs->msr);
#endif
@@ -37,14 +40,15 @@ static int handler_pre(struct kprobe *p,
}
/* kprobe post_handler: called after the probed instruction is executed */
-static void handler_post(struct kprobe *p, struct pt_regs *regs, unsigned long flags)
+static void handler_post(struct kprobe *p, struct pt_regs *regs,
+ unsigned long flags)
{
#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)
- printk("post_handler: p->addr = 0x%p, eflags = 0x%lx\n",
+ printk(KERN_INFO "post_handler: p->addr = 0x%p, eflags = 0x%lx\n",
p->addr, regs->eflags);
#endif
#ifdef CONFIG_PPC
- printk("post_handler: p->addr = 0x%p, msr = 0x%lx\n",
+ printk(KERN_INFO "post_handler: p->addr = 0x%p, msr = 0x%lx\n",
p->addr, regs->msr);
#endif
}
@@ -56,7 +60,7 @@ static void handler_post(struct kprobe *
*/
static int handler_fault(struct kprobe *p, struct pt_regs *regs, int trapnr)
{
- printk("fault_handler: p->addr = 0x%p, trap #%dn",
+ printk(KERN_INFO "fault_handler: p->addr = 0x%p, trap #%dn",
p->addr, trapnr);
/* Return 0 because we don't handle the fault. */
return 0;
@@ -71,17 +75,17 @@ static int __init kprobe_init(void)
ret = register_kprobe(&kp);
if (ret < 0) {
- printk("register_kprobe failed, returned %d\n", ret);
+ printk(KERN_INFO "register_kprobe failed, returned %d\n", ret);
return ret;
}
- printk("Planted kprobe at %p\n", kp.addr);
+ printk(KERN_INFO "Planted kprobe at %p\n", kp.addr);
return 0;
}
static void __exit kprobe_exit(void)
{
unregister_kprobe(&kp);
- printk("kprobe at %p unregistered\n", kp.addr);
+ printk(KERN_INFO "kprobe at %p unregistered\n", kp.addr);
}
module_init(kprobe_init)
diff -puN samples/kprobes/kretprobe_example.c~move-kprobes-examples-to-samples-resend-checkpatch-fixes samples/kprobes/kretprobe_example.c
--- a/samples/kprobes/kretprobe_example.c~move-kprobes-examples-to-samples-resend-checkpatch-fixes
+++ a/samples/kprobes/kretprobe_example.c
@@ -18,7 +18,7 @@ static int ret_handler(struct kretprobe_
{
int retval = regs_return_value(regs);
- printk("do_fork returns %d\n", retval);
+ printk(KERN_INFO "do_fork returns %d\n", retval);
return 0;
}
@@ -37,20 +37,22 @@ static int __init kretprobe_init(void)
ret = register_kretprobe(&my_kretprobe);
if (ret < 0) {
- printk("register_kretprobe failed, returned %d\n", ret);
+ printk(KERN_INFO "register_kretprobe failed, returned %d\n",
+ ret);
return -1;
}
- printk("Planted return probe at %p\n", my_kretprobe.kp.addr);
+ printk(KERN_INFO "Planted return probe at %p\n", my_kretprobe.kp.addr);
return 0;
}
static void __exit kretprobe_exit(void)
{
unregister_kretprobe(&my_kretprobe);
- printk("kretprobe at %p unregistered\n", my_kretprobe.kp.addr);
+ printk(KERN_INFO "kretprobe at %p unregistered\n",
+ my_kretprobe.kp.addr);
/* nmissed > 0 suggests that maxactive was set too low. */
- printk("Missed probing %d instances of do_fork()\n",
+ printk(KERN_INFO "Missed probing %d instances of do_fork()\n",
my_kretprobe.nmissed);
}
_
Patches currently in -mm which might be from ananth@xxxxxxxxxx are
move-kprobes-examples-to-samples-resend.patch
move-kprobes-examples-to-samples-resend-checkpatch-fixes.patch
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