kprobes: switch to kernel_clone() (25239fd3) · Commits · 戴 / test

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

samples/kprobes/kprobe_example.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -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 */

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