From mboxrd@z Thu Jan 1 00:00:00 1970 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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 30E98C43441 for ; Sat, 10 Nov 2018 03:22:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F30D020855 for ; Sat, 10 Nov 2018 03:22:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F30D020855 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=altlinux.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728719AbeKJNFm (ORCPT ); Sat, 10 Nov 2018 08:05:42 -0500 Received: from air.basealt.ru ([194.107.17.39]:58768 "EHLO air.basealt.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728130AbeKJNFm (ORCPT ); Sat, 10 Nov 2018 08:05:42 -0500 Received: by air.basealt.ru (Postfix, from userid 490) id 1C3F6589A9A; Sat, 10 Nov 2018 03:22:13 +0000 (UTC) Received: from akathisia (ip4-83-240-49-150.cust.nbox.cz [83.240.49.150]) by air.basealt.ru (Postfix) with ESMTPSA id 3D7B6589A97; Sat, 10 Nov 2018 03:22:11 +0000 (UTC) Date: Sat, 10 Nov 2018 04:22:09 +0100 From: Elvira Khabirova To: oleg@redhat.com, mingo@redhat.com, rostedt@goodmis.org Cc: linux-kernel@vger.kernel.org, ldv@altlinux.org Subject: [PATCH] tracehook: fix documentation for tracehook_report_syscall_entry() Message-ID: <20181110042209.26333972@akathisia> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tracehook_report_syscall_entry() is called not only if %TIF_SYSCALL_TRACE is set, but also if %TIF_SYSCALL_EMU is set, as appears from x86's entry code. Signed-off-by: Elvira Khabirova --- include/linux/tracehook.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index 40b0b4c1bf7b..df20f8bdbfa3 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -83,8 +83,8 @@ static inline int ptrace_report_syscall(struct pt_regs *regs) * tracehook_report_syscall_entry - task is about to attempt a system call * @regs: user register state of current task * - * This will be called if %TIF_SYSCALL_TRACE has been set, when the - * current task has just entered the kernel for a system call. + * This will be called if %TIF_SYSCALL_TRACE or %TIF_SYSCALL_EMU have been set, + * when the current task has just entered the kernel for a system call. * Full user register state is available here. Changing the values * in @regs can affect the system call number and arguments to be tried. * It is safe to block here, preventing the system call from beginning. -- 2.19.1