Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp1229729ybi; Fri, 24 May 2019 20:26:45 -0700 (PDT) X-Google-Smtp-Source: APXvYqxcDJKVZHoWmRn1QgWyiAZGgaKmqWBlikU1q/4cDfm5vwdkd2h4j4b70SUqmjYqQJgx3pP3 X-Received: by 2002:a62:e00e:: with SMTP id f14mr117218485pfh.257.1558754805631; Fri, 24 May 2019 20:26:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558754805; cv=none; d=google.com; s=arc-20160816; b=pvTq8lEUJ/SEiZRHyzn1HX3FNrrDGIz5oq8zl0WrPE019uvkCbDDzTnM2ltwKrDmYQ mKakCKMgzlfA41jCP8ASqiTlXaw0kHdl4J16nQ3mKf+NTocN27h4T2wNdjg1Dp50Kt7/ ibghT1rrjKzRgJr8pnhhUdlivCUC4wtBluAIh+lCcTAS9vArMQhWI4QzYzJJ8LwWr+Jx kuxy0SNVg4ZHaGNApSYTC7txIJFDmO8oo5eyQOi/tsHWubYs1o8gpBneBwiVVZyCgoMw LPvT3UYomR8shjzSqClqQjCbNIJlQbgK/OOySmSDo+AQtjI9q6/N3gWYWiDpBkCafzBL t/Gg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=KUzxGdW15lWPOe+lFuQHxs4XngcBs8UFh7ok8cpMc90=; b=DjE+15E1s/Yqn3J0bDnxU0FtzXnVRAN6rV6ybLO2x0O3+lT5Uj4T8sKP3w3srV2cO/ 8ZVenxWcHKepBogtj/V1W5GxL8lea+A2/771nPrPpS6zf/ANe60Dfak3wxEg2/KVgFgi yDExNuWf1MfY9m3ngyN0f4VS0pgs11580IRkh0WYG87fE435dgjFpJcB3OPujwys0LGi 4kOKfxDeWoPiit3O4PIRITg7ii2C77NrKl+6G/jSszsRH8uaHu6z7Tb4bznaeWUZFtiF /h4CL75Ta6Et9ovk0rV5HxDkJqqC8uyB0Q8G862c9Sij0bQlkMyzEo5+w9zsC/CJnqYh rCxA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g20si6676684pgi.193.2019.05.24.20.26.30; Fri, 24 May 2019 20:26:45 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726715AbfEYDZE (ORCPT + 99 others); Fri, 24 May 2019 23:25:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:38888 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726390AbfEYDZD (ORCPT ); Fri, 24 May 2019 23:25:03 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (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 84AF82075C; Sat, 25 May 2019 03:25:01 +0000 (UTC) Date: Fri, 24 May 2019 23:24:58 -0400 From: Steven Rostedt To: "Joel Fernandes (Google)" Cc: linux-kernel@vger.kernel.org, Benjamin Herrenschmidt , Ingo Molnar , Jonathan Corbet , Josh Triplett , kvm-ppc@vger.kernel.org, Lai Jiangshan , linux-doc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Mathieu Desnoyers , Michael Ellerman , Miguel Ojeda , "Paul E. McKenney" , Paul Mackerras , rcu@vger.kernel.org Subject: Re: [PATCH RFC 0/5] Remove some notrace RCU APIs Message-ID: <20190524232458.4bcf4eb4@gandalf.local.home> In-Reply-To: <20190524234933.5133-1-joel@joelfernandes.org> References: <20190524234933.5133-1-joel@joelfernandes.org> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) 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 On Fri, 24 May 2019 19:49:28 -0400 "Joel Fernandes (Google)" wrote: > The series removes users of the following APIs, and the APIs themselves, since > the regular non - _notrace variants don't do any tracing anyway. > * hlist_for_each_entry_rcu_notrace > * rcu_dereference_raw_notrace > I guess the difference between the _raw_notrace and just _raw variants is that _notrace ones do a rcu_check_sparse(). Don't we want to keep that check? -- Steve