[PATCH v2 08/11] kprobes: switch to kernel_clone()
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- To: linux-arch@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- Subject: [PATCH v2 08/11] kprobes: switch to kernel_clone()
- From: Christian Brauner <christian.brauner@xxxxxxxxxx>
- Date: Wed, 19 Aug 2020 12:46:52 +0200
- Cc: Jonathan Corbet <corbet@xxxxxxx>, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Ley Foon Tan <ley.foon.tan@xxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, x86@xxxxxxxxxx, Arnd Bergmann <arnd@xxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Stafford Horne <shorne@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Kars de Jong <jongk@xxxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Greentime Hu <green.hu@xxxxxxxxx>, "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>, Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>, Alexandre Chartre <alexandre.chartre@xxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Tom Zanussi <zanussi@xxxxxxxxxx>, Xiao Yang <yangx.jy@xxxxxxxxxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, uclinux-h8-devel@xxxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, kgdb-bugreport@xxxxxxxxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Christoph Hewllig <hch@xxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Christian Brauner <christian.brauner@xxxxxxxxxx>
- In-reply-to: <20200819104655.436656-1-christian.brauner@ubuntu.com>
- References: <20200819104655.436656-1-christian.brauner@ubuntu.com>
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.
Cc: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Cc: Alexandre Chartre <alexandre.chartre@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Signed-off-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
---
/* v2 */
unchanged
---
samples/kprobes/kprobe_example.c | 6 +++---
1 file 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 */
--
2.28.0
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