/*
* Here's a sample kernel module showing the use of jprobes to dump
* the arguments of _do_fork().
*
* For more information on theory of operation of jprobes, see
* Documentation/kprobes.txt
*
* Build and insert the kernel module as done in the kprobe example.
* You will see the trace data in /var/log/messages and on the
* console whenever _do_fork() is invoked to create a new process.
* (Some messages may be suppressed if syslogd is configured to
* eliminate duplicate messages.)
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/kprobes.h>
/*
* Jumper probe for _do_fork.
* Mirror principle enables access to arguments of the probed routine
* from the probe handler.
*/
/* Proxy routine having the same arguments as actual _do_fork() routine */
static long j_do_fork(unsigned long clone_flags, unsigned long stack_start,
unsigned long stack_size, int __user *parent_tidptr,
int __user *child_tidptr, unsigned long tls)
{
pr_info("jprobe: clone_flags = 0x%lx, stack_start = 0x%lx "
"stack_size = 0x%lx\n", clone_flags, stack_start, stack_size);
/* Always end with a call to jprobe_return(). */
jprobe_return();
return 0;
}
static struct jprobe my_jprobe = {
.entry = j_do_fork,
.kp = {
.symbol_name = "_do_fork",
},
};
static int __init jprobe_init(void)
{
int ret;
ret = register_jprobe(&my_jprobe);
if (ret < 0) {
pr_err("register_jprobe failed, returned %d\n", ret);
return -1;
}
pr_info("Planted jprobe at %p, handler addr %p\n",
my_jprobe.kp.addr, my_jprobe.entry);
return 0;
}
static void __exit jprobe_exit(void)
{
unregister_jprobe(&my_jprobe);
pr_info("jprobe at %p unregistered\n", my_jprobe.kp.addr);
}
module_init(jprobe_init)
module_exit(jprobe_exit)
MODULE_LICENSE("GPL");
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=d07830db1bdb254e4b50d366010b219286b8c937'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?id=d07830db1bdb254e4b50d366010b219286b8c937'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4?id=d07830db1bdb254e4b50d366010b219286b8c937'>ipv4</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/cipso_ipv4.c?id=d07830db1bdb254e4b50d366010b219286b8c937'>cipso_ipv4.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='d07830db1bdb254e4b50d366010b219286b8c937'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Marcel J.E. Mol <marcel@mesa.nl></td><td class='right'>2017-01-30 19:26:40 +0100</td></tr>
<tr><th>committer</th><td>Johan Hovold <johan@kernel.org></td><td class='right'>2017-01-31 17:27:04 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/cipso_ipv4.c?id=d07830db1bdb254e4b50d366010b219286b8c937'>d07830db1bdb254e4b50d366010b219286b8c937</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/ipv4/cipso_ipv4.c?id=d07830db1bdb254e4b50d366010b219286b8c937'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=d07830db1bdb254e4b50d366010b219286b8c937'>354d7fca237fa3d7e7e63c2196eaa4e1086838ea</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/ipv4/cipso_ipv4.c?id=d07830db1bdb254e4b50d366010b219286b8c937'>net/ipv4/cipso_ipv4.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/cipso_ipv4.c?id=5d03a2fd2292e71936c4235885c35ccc3c94695b'>5d03a2fd2292e71936c4235885c35ccc3c94695b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/ipv4/cipso_ipv4.c?id=d07830db1bdb254e4b50d366010b219286b8c937&id2=5d03a2fd2292e71936c4235885c35ccc3c94695b'>diff</a>)</td></tr></table>
<div class='commit-subject'>USB: serial: pl2303: add ATEN device ID</div><div class='commit-msg'>Seems that ATEN serial-to-usb devices using pl2303 exist with
different device ids. This patch adds a missing device ID so it
is recognised by the driver.
Signed-off-by: Marcel J.E. Mol <marcel@mesa.nl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=d07830db1bdb254e4b50d366010b219286b8c937'>Diffstat</a> (limited to 'net/ipv4/cipso_ipv4.c')</div><table summary='diffstat' class='diffstat'>