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[2620:137:e000::1:20]) by mx.google.com with ESMTP id dz10-20020a0564021d4a00b0045cfb63a033si2036948edb.551.2022.12.20.05.01.48; Tue, 20 Dec 2022 05:01:48 -0800 (PST) Received-SPF: pass (google.com: domain of kvm-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=NxhKlYK+; spf=pass (google.com: domain of kvm-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=kvm-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233561AbiLTNBq (ORCPT + 3 others); Tue, 20 Dec 2022 08:01:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233249AbiLTNBn (ORCPT ); Tue, 20 Dec 2022 08:01:43 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4A91239 for ; Tue, 20 Dec 2022 05:00:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1671541256; 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: in-reply-to:in-reply-to:references:references; bh=H2t8W77PSTr4Llxbj7tYL3QF8gC1sNMoCFvARbmtY94=; b=NxhKlYK+NfzxiulAQtdfhcJt99MYCZCFOa+6tjoShSUZaypgbqQrdxFSKVQmGqq4lTTx4J JLTPczzXcTOl19RlOxBo17uZ5ayIhW2dA2XZL/LjxQNHKT0+5MqB8IyuoZCbEG1H5749at +h5piqQ0pjx5FevbQAUpgmDVx5Ix41s= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-642-gegjNKZEN5OA-g0pkCielw-1; Tue, 20 Dec 2022 08:00:52 -0500 X-MC-Unique: gegjNKZEN5OA-g0pkCielw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 53E6687A9E2; Tue, 20 Dec 2022 13:00:52 +0000 (UTC) Received: from localhost (unknown [10.39.193.93]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EB8EF2166B26; Tue, 20 Dec 2022 13:00:51 +0000 (UTC) From: Cornelia Huck To: Peter Maydell , Thomas Huth , Laurent Vivier Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, kvm@vger.kernel.org, Eric Auger , "Dr. David Alan Gilbert" , Juan Quintela , Gavin Shan Subject: Re: [PATCH v3 0/2] arm: enable MTE for QEMU + kvm In-Reply-To: <20221026160511.37162-1-cohuck@redhat.com> Organization: Red Hat GmbH References: <20221026160511.37162-1-cohuck@redhat.com> User-Agent: Notmuch/0.37 (https://notmuchmail.org) Date: Tue, 20 Dec 2022 14:00:49 +0100 Message-ID: <87h6xqz0u6.fsf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-TUID: XabVRWE1v6u9 On Wed, Oct 26 2022, Cornelia Huck wrote: > After wayyy too long (last version was sent in *July*), a respin of my > kvm/mte series. Still no migration support. I've been hacking around on > a device for transferring tags while stopped, but don't really have anything > to show, probably because I get distra- > > ...I guess you get the point :( > > Anyway, I wanted to post this as non-RFC; likely too late for 7.2, but maybe > for 8.0 (and I'd get a chance to make at least pre-copy migration work; I'm open > to suggestions for that. Support for post-copy needs kernel-side changes.) Tested > on the FVP models; qtests only on a non-MTE KVM host. > > Changes v2->v3: > - rebase to current master > - drop some parts of the qtests that didn't actually work > - really minor stuff > - drop RFC > > Cornelia Huck (2): > arm/kvm: add support for MTE > qtests/arm: add some mte tests > > docs/system/arm/cpu-features.rst | 21 +++++ > target/arm/cpu.c | 18 ++--- > target/arm/cpu.h | 1 + > target/arm/cpu64.c | 133 +++++++++++++++++++++++++++++++ > target/arm/internals.h | 1 + > target/arm/kvm64.c | 5 ++ > target/arm/kvm_arm.h | 12 +++ > target/arm/monitor.c | 1 + > tests/qtest/arm-cpu-features.c | 76 ++++++++++++++++++ > 9 files changed, 256 insertions(+), 12 deletions(-) > Friendly ping, as 7.2 has been released now... this should still apply without problems AFAICS. I can also respin, if needed.