From patchwork Tue Aug 18 17:34:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Brauner X-Patchwork-Id: 255289 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D0C4C433E5 for ; Tue, 18 Aug 2020 17:36:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E7181207D3 for ; Tue, 18 Aug 2020 17:36:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728796AbgHRRf5 (ORCPT ); Tue, 18 Aug 2020 13:35:57 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:52440 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728626AbgHRRee (ORCPT ); Tue, 18 Aug 2020 13:34:34 -0400 Received: from ip5f5af70b.dynamic.kabel-deutschland.de ([95.90.247.11] helo=wittgenstein.fritz.box) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1k85VH-0003E9-KN; Tue, 18 Aug 2020 17:34:31 +0000 From: Christian Brauner To: Christoph Hewllig , linux-kernel@vger.kernel.org, Linus Torvalds , linux-arch@vger.kernel.org Cc: Jonathan Corbet , Yoshinori Sato , Tony Luck , Fenghua Yu , Geert Uytterhoeven , Ley Foon Tan , "David S. Miller" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, Arnd Bergmann , Steven Rostedt , Stafford Horne , Peter Zijlstra , Kars de Jong , Kees Cook , Greentime Hu , "Eric W. Biederman" , Mauro Carvalho Chehab , Alexandre Chartre , Masami Hiramatsu , Tom Zanussi , Xiao Yang , linux-doc@vger.kernel.org, uclinux-h8-devel@lists.sourceforge.jp, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, sparclinux@vger.kernel.org, kgdb-bugreport@lists.sourceforge.net, linux-kselftest@vger.kernel.org, Christian Brauner Subject: [PATCH 08/11] kprobes: switch to kernel_clone() Date: Tue, 18 Aug 2020 19:34:08 +0200 Message-Id: <20200818173411.404104-9-christian.brauner@ubuntu.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200818173411.404104-1-christian.brauner@ubuntu.com> References: <20200818173411.404104-1-christian.brauner@ubuntu.com> MIME-Version: 1.0 Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org 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 Cc: Alexandre Chartre Cc: Jonathan Corbet Cc: Masami Hiramatsu Signed-off-by: Christian Brauner --- 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 @@ -16,7 +16,7 @@ #include #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 */