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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 E4582C06513 for ; Thu, 4 Jul 2019 10:14:51 +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 B6A67218A0 for ; Thu, 4 Jul 2019 10:14:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B6A67218A0 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]:44044 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiylP-0001fR-3F for qemu-devel@archiver.kernel.org; Thu, 04 Jul 2019 06:14:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43101) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiykt-00012m-6M for qemu-devel@nongnu.org; Thu, 04 Jul 2019 06:14:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hiyko-0008Ig-F0 for qemu-devel@nongnu.org; Thu, 04 Jul 2019 06:14:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57524) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hiykm-000886-Fl; Thu, 04 Jul 2019 06:14:12 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id 744B730821FF; Thu, 4 Jul 2019 10:13:55 +0000 (UTC) Received: from localhost (ovpn-117-206.ams2.redhat.com [10.36.117.206]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5E1E886BB0; Thu, 4 Jul 2019 10:13:46 +0000 (UTC) Date: Thu, 4 Jul 2019 11:13:45 +0100 From: Stefan Hajnoczi To: Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= Message-ID: <20190704101345.GC1609@stefanha-x1.localdomain> References: <20190704055150.4899-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="uh9ZiVrAOUUm9fzH" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.0 (2019-05-25) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.47]); Thu, 04 Jul 2019 10:13:55 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH for 4.1] aspeed/timer: Provide back-pressure information for short periods 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: Peter Maydell , Andrew Jeffery , qemu-devel@nongnu.org, qemu-arm@nongnu.org, Joel Stanley , Paolo Bonzini , =?iso-8859-1?Q?C=E9dric?= Le Goater Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --uh9ZiVrAOUUm9fzH Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 04, 2019 at 11:26:53AM +0200, Philippe Mathieu-Daud=E9 wrote: > CC'ing Stefan & Paolo for a non-ARM view on this... I'm not familiar with the various clock smoothing techniques implemented in QEMU and KVM, but this looks okay given that Linux guests expect this. Stefan --uh9ZiVrAOUUm9fzH Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAl0d0VkACgkQnKSrs4Gr c8jvKAf/Wr+UzmujJSPJXSN6CYrGku1rXIRyQeJxMV+bcQy5zBL9TstWE15OtL2e s9L5/8zhIcDECNHEQZrKz6+Tfr5kmnMUbCBjVL8nQTxjty+YZusB6kDIH8u5RN4c dCGS4YJu9vNw8HouuFIstWTzUIfGTV0Jc9PearfhilGLuQLBilus4PlEnzIeAZau at4IRB8duBArX60lwjLIETwLMoiM3qyZ4PUQWdAAEMwJ0avQ2O3MBEZjRgbm4RD+ ktXp8Y09K4fBdZyXy9ClqGF4o3QI3lO+6Ziety/HXtYuA7neo7k8TsX/RzGIQAzv xhNqKi2jtN2/SkdJNowvcU16wZUIcQ== =FQf2 -----END PGP SIGNATURE----- --uh9ZiVrAOUUm9fzH--