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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 5CF1DC2D0CA for ; Fri, 13 Dec 2019 21:27:49 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D8B8D24125 for ; Fri, 13 Dec 2019 21:27:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Shp1UWuH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D8B8D24125 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49190 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ifksU-0008Nl-GT for qemu-devel@archiver.kernel.org; Fri, 13 Dec 2019 08:21:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:46614) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ifkrI-0007Sq-SL for qemu-devel@nongnu.org; Fri, 13 Dec 2019 08:19:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ifkrH-0003Vj-Gl for qemu-devel@nongnu.org; Fri, 13 Dec 2019 08:19:52 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:53361 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ifkr6-0003Mw-RN for qemu-devel@nongnu.org; Fri, 13 Dec 2019 08:19:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576243180; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ef3OKMuWnMNMaiRsD2I//uEIEJ+UWf6C3bTLpURb/nw=; b=Shp1UWuHee8b8V9tBNcD8+ikM4vpP6JOWBCMG6/J6SjQxrhsXE1gbRDxyRS5QkQ2o72fUk QMqCe0eB4oEl4F1cY8lxFMAlmNeQyw/FzJ/WYMIheok3fQTxJdeHJ6sCfkB8Rc23Mf1T/z losSzme8fxCACEuV+Cj4Fw9DGNgVXWo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-285-5lHY-xVCNEWdSVaG9RNFQg-1; Fri, 13 Dec 2019 08:19:36 -0500 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0EEE29120F; Fri, 13 Dec 2019 13:19:35 +0000 (UTC) Received: from dgilbert-t580.localhost (unknown [10.36.117.255]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0725A60C05; Fri, 13 Dec 2019 13:19:33 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, pbonzini@redhat.com, cota@braap.org, rkagan@virtuozzo.com Subject: [PATCH 0/2] rcu_read auto macro use Date: Fri, 13 Dec 2019 13:19:29 +0000 Message-Id: <20191213131931.143878-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: 5lHY-xVCNEWdSVaG9RNFQg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: "Dr. David Alan Gilbert" Hi, A couple more uses of the rcu_read macros; in qsp and hyperv (neither of which list maintainers, so I guess best through RCU). The hyperv case saves a temporary. The qsp case uses an rcu_read_lock around the lifetime of a snapshot and carefully comments that; but now it's automatic. [Hyperv not tested] Dave Dr. David Alan Gilbert (2): hyperv: Use auto rcu_read macros qsp: Use WITH_RCU_READ_LOCK_GUARD hw/hyperv/hyperv.c | 22 +++++++++------------- util/qsp.c | 22 ++++++++++------------ 2 files changed, 19 insertions(+), 25 deletions(-) --=20 2.23.0