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authorChristian Brauner <christian.brauner@ubuntu.com>2020-08-19 12:46:52 +0200
committerChristian Brauner <christian.brauner@ubuntu.com>2020-08-20 13:12:59 +0200
commit25239fd338aa2995f04ce3dc3ef3c01488bd05b3 (patch)
treed875d7a91f228d3c3d9def52c6de1194f6d9f88f /samples/kprobes
parentc723523bf393ff9f188f559abf0958295d393324 (diff)
kprobes: switch to kernel_clone()
The old _do_fork() helper is removed in favor of the new kernel_clone() helper. The latter adheres to naming conventions for kernel internal syscall helpers. Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Cc: Alexandre Chartre <alexandre.chartre@oracle.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Masami Hiramatsu <mhiramat@kernel.org> Link: https://lore.kernel.org/r/20200819104655.436656-9-christian.brauner@ubuntu.com
Diffstat (limited to 'samples/kprobes')
-rw-r--r--samples/kprobes/kprobe_example.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index 240f2435ce6f..a02f53836ee1 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -2,13 +2,13 @@
/*
* NOTE: This example is works on x86 and powerpc.
* Here's a sample kernel module showing the use of kprobes to dump a
- * stack trace and selected registers when _do_fork() is called.
+ * stack trace and selected registers when kernel_clone() is called.
*
* For more information on theory of operation of kprobes, see
* Documentation/staging/kprobes.rst
*
* You will see the trace data in /var/log/messages and on the console
- * whenever _do_fork() is invoked to create a new process.
+ * whenever kernel_clone() is invoked to create a new process.
*/
#include <linux/kernel.h>
@@ -16,7 +16,7 @@
#include <linux/kprobes.h>
#define MAX_SYMBOL_LEN 64
-static char symbol[MAX_SYMBOL_LEN] = "_do_fork";
+static char symbol[MAX_SYMBOL_LEN] = "kernel_clone";
module_param_string(symbol, symbol, sizeof(symbol), 0644);
/* For each probe you need to allocate a kprobe structure */