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=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 83544C433DF for ; Thu, 2 Jul 2020 11:26:05 +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 544D720936 for ; Thu, 2 Jul 2020 11:26:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VpfwKGK5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 544D720936 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]:38026 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqxLw-00023T-I7 for qemu-devel@archiver.kernel.org; Thu, 02 Jul 2020 07:26:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55422) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqxEN-0004ND-QV for qemu-devel@nongnu.org; Thu, 02 Jul 2020 07:18:15 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:29018 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jqxEM-0004tB-42 for qemu-devel@nongnu.org; Thu, 02 Jul 2020 07:18:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593688693; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MXKLVLo2h5qezdwGypOJQF29rTOGqXgEv+3iQAcc+BI=; b=VpfwKGK5mUzzABrHML/eARm3HLP87pQfZAzIFZQS3gIPmSpwx9NCIJnHTFsKJo5bfo+DG3 tH1m9QOQ6nJM47/YT1rNoGwRUwtzZT3n1DX8Jdel3Qz0m9qIKHRbNX2MKEYtDsZwZ2wd8G 9Ni1CM+0Z64scTPtmae3lq8HF7VPpvs= 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-223-Yrdr3F-OOSWBScxpZArAOw-1; Thu, 02 Jul 2020 07:18:11 -0400 X-MC-Unique: Yrdr3F-OOSWBScxpZArAOw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 73E9C100CCC0; Thu, 2 Jul 2020 11:18:10 +0000 (UTC) Received: from gondolin (ovpn-113-54.ams2.redhat.com [10.36.113.54]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1EC0879233; Thu, 2 Jul 2020 11:18:02 +0000 (UTC) Date: Thu, 2 Jul 2020 13:18:00 +0200 From: Cornelia Huck To: Halil Pasic Subject: Re: [PATCH 0/2] two atomic_cmpxchg() related fixes Message-ID: <20200702131800.053146c9.cohuck@redhat.com> In-Reply-To: <20200616045035.51641-1-pasic@linux.ibm.com> References: <20200616045035.51641-1-pasic@linux.ibm.com> Organization: Red Hat GmbH MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=cohuck@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=207.211.31.81; envelope-from=cohuck@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/02 04:18:28 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: , Cc: Thomas Huth , Matthew Rosato , "Michael S. Tsirkin" , David Hildenbrand , qemu-devel@nongnu.org, Christian Borntraeger , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, 16 Jun 2020 06:50:33 +0200 Halil Pasic wrote: > The story short: compiler can generate code that does two > distinct fetches of *ind_addr for old and _old. If that happens we can > not figure out if we had the desired xchg or not. > > Halil Pasic (2): > virtio-ccw: fix virtio_set_ind_atomic > s390x/pci: fix set_ind_atomic > > hw/s390x/s390-pci-bus.c | 16 +++++++++------- > hw/s390x/virtio-ccw.c | 18 ++++++++++-------- > 2 files changed, 19 insertions(+), 15 deletions(-) > > > base-commit: 7d3660e79830a069f1848bb4fa1cdf8f666424fb Thanks, applied.