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=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 90253C4338F for ; Tue, 27 Jul 2021 15:06:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71FB161B04 for ; Tue, 27 Jul 2021 15:06:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232598AbhG0PGW (ORCPT ); Tue, 27 Jul 2021 11:06:22 -0400 Received: from mail.efficios.com ([167.114.26.124]:36086 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231825AbhG0PGV (ORCPT ); Tue, 27 Jul 2021 11:06:21 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id B73133502D2; Tue, 27 Jul 2021 11:06:20 -0400 (EDT) Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id whENm3jvRaBu; Tue, 27 Jul 2021 11:06:20 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id F1690350511; Tue, 27 Jul 2021 11:06:19 -0400 (EDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com F1690350511 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=efficios.com; s=default; t=1627398380; bh=Lz6Hpv4foaj4KQ0Olzz8ooNau8kUo8pmCGLVypEbW74=; h=From:To:Date:Message-Id:MIME-Version; b=FH2wYV24F/N/C4IdwYDB3NrNd5P5YhFIzg1SOAHZ9TKbfv1cftNTaZR1Y6eAAknjW woj7MDVwHBIyy/aH0L+sJv8vp5LhIxlVno6URuzr5RttOQM8nkUgKWomXjrJXKRGkf NrPT0n9YG/U6CN89GPSWjG265MQtzQW1KNCLLZBBpfpUVF6E0fYwETpb04vn1YjsbA wq1MmbVV8CvhxuDa0rDm3zSCwoc8r44cemMKMOCNWgvBYQjmNHfGu0X5IZJDMs9DUr n8gqvcXS1M6J3Ccz5uW0k+UKz+nw8F5AHWJVZd4/hw/hsAVL5CXs4ECBHo+sEIbeUw UXvAOwFK56Ukw== X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id EpEzu3AW7yNU; Tue, 27 Jul 2021 11:06:19 -0400 (EDT) Received: from thinkos.etherlink (192-222-188-69.qc.cable.ebox.net [192.222.188.69]) by mail.efficios.com (Postfix) with ESMTPSA id ABB1E35021D; Tue, 27 Jul 2021 11:06:19 -0400 (EDT) From: Mathieu Desnoyers To: Steven Rostedt , "Paul E. McKenney" , Peter Zijlstra , Ingo Molnar , Andrew Morton , Stefan Metzmacher Cc: linux-kernel@vger.kernel.org, Mathieu Desnoyers Subject: [RFC PATCH 0/3] tracepoint static call fixes Date: Tue, 27 Jul 2021 11:06:10 -0400 Message-Id: <20210727150613.20886-1-mathieu.desnoyers@efficios.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Here is an RFC series (compiled-tested only) attempting to fix issues that arise with back-to-back static call updates. Feedback is welcome, Thanks, Mathieu Mathieu Desnoyers (3): Fix: tracepoint: static call: compare data on transition from 2->1 callees Fix: tracepoint: static call function vs data state mismatch Fix: tracepoint: rcu get state and cond sync for static call updates kernel/tracepoint.c | 165 ++++++++++++++++++++++++++++++++++++++------ 1 file changed, 145 insertions(+), 20 deletions(-) --=20 2.20.1