From patchwork Wed Apr 5 13:58:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Rostedt X-Patchwork-Id: 7753 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp350646vqo; Wed, 5 Apr 2023 07:29:31 -0700 (PDT) X-Google-Smtp-Source: AKy350YIYcQrUvKwCC1P28xU9RgRMtPvjeFWBbLfvW8n3R7Fz2WNsw9JZ5gQzSYqunVUbzm5+zTW X-Received: by 2002:a17:902:f351:b0:1a0:4033:f72d with SMTP id q17-20020a170902f35100b001a04033f72dmr5548389ple.16.1680704971427; Wed, 05 Apr 2023 07:29:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1680704971; cv=none; d=google.com; s=arc-20160816; b=yAFHnpPCtxiqJ0qc43zdMTD6Wiu1tJEy0wS4gqCAUfeJ1wM74vGQefoMSDXb7eWEKi 4VY9H1FP5W7cISOaRCJ2DDO867wOQTJSLB+c4VN7Xh9dFv75Qh/Qm5OrpNjCIaCPE5pB JIfp6bzqxLzTA+GOeM4k0XkNnek05wdIOA+e/+N3w6Ct8Lq6VvRZ4ZoT94xrwCOOYJo0 CdXjYsf5O2XFXdRs9Ewgd2qTadOKyjcLZ4Wd1b0hKtFzm1IwPTOps7JQaydHQsbG9isQ iKEXcABYwwNnYe1WIWwcVGQuBz1hhe8gRaTKWwvVCpBc9PzWMOUOhtZQr5ES5dsawtoj V0Mw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:subject:cc:to:from:date:user-agent:message-id; bh=kkfv7zkDRlbmEZgOuES/v7rKJi75B8xEev37kZFGSv4=; b=oo9IxlrG06jr0IkZVMFtqJ+A/Bqr17eVBbqzg4Kebzgf3Ypz5pez/X0dHBFuQMf+p8 phlAIH4RnGGs7qo8u6d8Umhjbr3E+OENiA9Dv4vlFQxzKdYWqK9APh5FUn74ApaFqngp vc7KF5NXUtU2MwQTbNjyNcI8ii27ZwI005QXk5N9dK1StXHWPpWNX4kZA3bjsIAxiSyU hQ00JYW7Om4UKZIS5gnapM91yj4bZWutUoMJGzXIPJP5xkE/lsZhEpFeO7JRFD+ORjSw QQWbHylxwKWM0DJml9WH1MOc60DclNnGgOMDy8QnPuhzBV5yCA+E2tjoiv0VeGc+w189 +kDw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id je14-20020a170903264e00b001a1dc236bdbsi12064973plb.539.2023.04.05.07.29.19; Wed, 05 Apr 2023 07:29:31 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238503AbjDEO1M (ORCPT + 99 others); Wed, 5 Apr 2023 10:27:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238490AbjDEO1I (ORCPT ); Wed, 5 Apr 2023 10:27:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3DC64EDB for ; Wed, 5 Apr 2023 07:26:56 -0700 (PDT) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 3B4F962755 for ; Wed, 5 Apr 2023 14:26:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA546C433EF; Wed, 5 Apr 2023 14:26:55 +0000 (UTC) Received: from rostedt by gandalf with local (Exim 4.96) (envelope-from ) id 1pk46A-000qie-1t; Wed, 05 Apr 2023 10:26:54 -0400 Message-ID: <20230405135813.735507007@goodmis.org> User-Agent: quilt/0.66 Date: Wed, 05 Apr 2023 09:58:13 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Andrew Morton Subject: [for-linus][PATCH 0/3] tracing: More fixes for 6.3 X-Spam-Status: No, score=-2.0 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762346896057964217?= X-GMAIL-MSGID: =?utf-8?q?1762346896057964217?= - Fix boot up snapshot code: Boot snapshots were triggering when not even asked for on the kernel command line. This was caused by two bugs. 1) It would trigger a snapshot on any instance if one was created from the kernel command line. 2) The error handling would only affect the top level instance. So the fact that a snapshot was done on a instance that didn't allocate a buffer triggered a warning written into the top level buffer, and worse yet, disabled the top level buffer. - Fix memory leak that was caused when an error was logged in a trace buffer instance, and then the buffer instance was removed. The allocated error log messages still need to be freed. git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git trace/urgent Head SHA1: 3357c6e429643231e60447b52ffbb7ac895aca22 Steven Rostedt (Google) (3): tracing: Have tracing_snapshot_instance_cond() write errors to the appropriate instance tracing: Fix ftrace_boot_snapshot command line logic tracing: Free error logs of tracing instances ---- kernel/trace/trace.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-)