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=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 A5A28C433E0 for ; Fri, 24 Jul 2020 22:40:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 730092070B for ; Fri, 24 Jul 2020 22:40:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595630454; bh=SxPVDdP6OkqBpUuq6d4bfLuZk9VZENEV/pSw/HUBnCg=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=ZU8mbiQA0HYRLH25Ms9xMkMbN2JfkQgdOMdPC0XW/MglwVecff9f13psAwXVfSvRB ia/n2t3OaGVqhDMcyrfwzbfowpfoSyidZBfpRmVq/uG3X4KDIhXakRLVR8lRsLixen r+f7hPEwCl1BB2zfLH2NKS6W0BvkZtIAhxN1sKVs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726658AbgGXWkx (ORCPT ); Fri, 24 Jul 2020 18:40:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:42356 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726154AbgGXWkx (ORCPT ); Fri, 24 Jul 2020 18:40:53 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-111-31.bvtn.or.frontiernet.net [50.39.111.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9E220206EB; Fri, 24 Jul 2020 22:40:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595630452; bh=SxPVDdP6OkqBpUuq6d4bfLuZk9VZENEV/pSw/HUBnCg=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=12lC1cOLKD7jvtFqwJd/pStvqC+TPSqiftoCstfYanSQCfUaoaHuYYFfHHYNx2EwV tn8llZGp100/e0Ra5ZYkf9YV9kAkbm2I1PZIqbFF7vSi3H8a3HntGH6zRWfDiBbU3E iX6NB0PKnLYCRu69u3EGKENM3dwOfliLXsyvPl38= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 882023522749; Fri, 24 Jul 2020 15:40:52 -0700 (PDT) Date: Fri, 24 Jul 2020 15:40:52 -0700 From: "Paul E. McKenney" To: Peter Zijlstra Cc: Marco Elver , will@kernel.org, arnd@arndb.de, mark.rutland@arm.com, dvyukov@google.com, glider@google.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: [PATCH v2 0/8] kcsan: Compound read-write instrumentation Message-ID: <20200724224052.GX9247@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20200724070008.1389205-1-elver@google.com> <20200724083920.GV10769@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200724083920.GV10769@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 24, 2020 at 10:39:20AM +0200, Peter Zijlstra wrote: > On Fri, Jul 24, 2020 at 09:00:00AM +0200, Marco Elver wrote: > > > Marco Elver (8): > > kcsan: Support compounded read-write instrumentation > > objtool, kcsan: Add __tsan_read_write to uaccess whitelist > > kcsan: Skew delay to be longer for certain access types > > kcsan: Add missing CONFIG_KCSAN_IGNORE_ATOMICS checks > > kcsan: Test support for compound instrumentation > > instrumented.h: Introduce read-write instrumentation hooks > > asm-generic/bitops: Use instrument_read_write() where appropriate > > locking/atomics: Use read-write instrumentation for atomic RMWs > > Looks good to me, > > Acked-by: Peter Zijlstra (Intel) Applied with ack, thank you both! Thanx, Paul