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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75A90C433EF for ; Mon, 24 Jan 2022 23:54:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2365116AbiAXXuQ (ORCPT ); Mon, 24 Jan 2022 18:50:16 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:47836 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1455642AbiAXVfs (ORCPT ); Mon, 24 Jan 2022 16:35:48 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B9D1FB80CCF; Mon, 24 Jan 2022 21:35:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E1CD5C340E4; Mon, 24 Jan 2022 21:35:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643060146; bh=RYKL0195HNgCJWuQDIBJ5AxoBVK81NvUTBgz1ofwYFw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jqgolr7MBIkK6VwJNFfXZmKUk0AskFhjuZlWGJjyyg8N1oTWGlDoivsSWvIQ8Ve5/ IHNhgThfk50YiNJK6dol4MvVmlnZLZpKxOG+ZNvIknKwaqQjZtTgDtndUGY4vVDv8k QNj+bBjziJncuk/P1cWIJ5uJC+ouSv+0zYTbLSzU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ingo Molnar , Andrew Morton , Tom Zanussi , Masami Hiramatsu , Steven Rostedt Subject: [PATCH 5.16 0854/1039] tracing: Have syscall trace events use trace_event_buffer_lock_reserve() Date: Mon, 24 Jan 2022 19:44:03 +0100 Message-Id: <20220124184153.986599946@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124184125.121143506@linuxfoundation.org> References: <20220124184125.121143506@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Steven Rostedt commit 3e2a56e6f639492311e0a8533f0a7aed60816308 upstream. Currently, the syscall trace events call trace_buffer_lock_reserve() directly, which means that it misses out on some of the filtering optimizations provided by the helper function trace_event_buffer_lock_reserve(). Have the syscall trace events call that instead, as it was missed when adding the update to use the temp buffer when filtering. Link: https://lkml.kernel.org/r/20220107225839.823118570@goodmis.org Cc: stable@vger.kernel.org Cc: Ingo Molnar Cc: Andrew Morton Cc: Tom Zanussi Reviewed-by: Masami Hiramatsu Fixes: 0fc1b09ff1ff4 ("tracing: Use temp buffer when filtering events") Signed-off-by: Steven Rostedt Signed-off-by: Greg Kroah-Hartman --- kernel/trace/trace_syscalls.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -323,8 +323,7 @@ static void ftrace_syscall_enter(void *d trace_ctx = tracing_gen_ctx(); - buffer = tr->array_buffer.buffer; - event = trace_buffer_lock_reserve(buffer, + event = trace_event_buffer_lock_reserve(&buffer, trace_file, sys_data->enter_event->event.type, size, trace_ctx); if (!event) return; @@ -367,8 +366,7 @@ static void ftrace_syscall_exit(void *da trace_ctx = tracing_gen_ctx(); - buffer = tr->array_buffer.buffer; - event = trace_buffer_lock_reserve(buffer, + event = trace_event_buffer_lock_reserve(&buffer, trace_file, sys_data->exit_event->event.type, sizeof(*entry), trace_ctx); if (!event)