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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_2 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 8C94BC07E98 for ; Mon, 5 Jul 2021 08:32:43 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 3F60B613F6 for ; Mon, 5 Jul 2021 08:32:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3F60B613F6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aepfle.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.149927.277284 (Exim 4.92) (envelope-from ) id 1m0K1m-00022R-Qq; Mon, 05 Jul 2021 08:32:30 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 149927.277284; Mon, 05 Jul 2021 08:32:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1m0K1m-00022K-Ni; Mon, 05 Jul 2021 08:32:30 +0000 Received: by outflank-mailman (input) for mailman id 149927; Mon, 05 Jul 2021 08:32:29 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1m0K1l-00022C-4C for xen-devel@lists.xenproject.org; Mon, 05 Jul 2021 08:32:29 +0000 Received: from mo4-p02-ob.smtp.rzone.de (unknown [85.215.255.84]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id efc23c29-cedd-42a0-b1f2-035551992620; Mon, 05 Jul 2021 08:32:27 +0000 (UTC) Received: from sender by smtp.strato.de (RZmta 47.28.1 AUTH) with ESMTPSA id 30791cx658WQKn9 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Mon, 5 Jul 2021 10:32:26 +0200 (CEST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: efc23c29-cedd-42a0-b1f2-035551992620 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1625473946; s=strato-dkim-0002; d=aepfle.de; h=References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date:Cc:Date: From:Subject:Sender; bh=+WR0Grpii3a1Rkx/QcBQ9lUKVcEax2K181Wqa4C+VMY=; b=ttD72Er+ueuQ14qrQ3c3/2ebG3E56jVm+ILNdyULlz/996gq7G48fgg91aTScFHyL3 5w1VR1YgtPfP20FyYX9GyGnuzATuplJBoASPcSELdQk7mHJJaRiPgTzscIxXlMuPa+Zg /64BmYW+fMm9LHpDF2JXyTrZBHEF4DUuCcAI/zXISj+/VsVdfiUD1CK+FXDjpqr0hEWv EreEsLKAHyH6ZiJHkEiFshhKXhxwAk/RyRiep+oDE1W7s5YDNhCLdxIvD9VzpMUnAs4z lEyllarSEFVZM0RzgHqspIkrLBcUokA1MR5IN4KL0qWmkB+2o9H1NT4eNNYA02sBOKDt A/0Q== Authentication-Results: strato.com; dkim=none X-RZG-AUTH: ":P2EQZWCpfu+qG7CngxMFH1J+3q8wa/QLpd5ylWvMDX3y/OuD5rXVisF+Ax6FOE3sSy9BcWAcR/hQoAs9MGk67vg1baqX" X-RZG-CLASS-ID: mo00 Date: Mon, 5 Jul 2021 10:32:24 +0200 From: Olaf Hering To: Jan Beulich Cc: Andrew Cooper , Ian Jackson , Wei Liu , Xen-devel Subject: Re: [PATCH] tools/libxenguest: Fix migration's debug option Message-ID: <20210705103224.26f3835d.olaf@aepfle.de> In-Reply-To: References: <20210702190342.31319-1-andrew.cooper3@citrix.com> <06968742-355f-ad37-0681-e51eea256414@suse.com> <20210705100228.4947ed4e.olaf@aepfle.de> X-Mailer: Claws Mail 2021.05.27 (GTK+ 2.24.32; x86_64-suse-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/_tSAvO78fL=Hc3r7J1Cc_lx"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/_tSAvO78fL=Hc3r7J1Cc_lx Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Am Mon, 5 Jul 2021 10:23:00 +0200 schrieb Jan Beulich : > I see. A similar problem then exists with at least the FIFO event > channel per-vCPU control blocks? I have not done any debugging how the pages differ and what they are actual= ly used for. My guess was that it might be activity from the backends, particularly netb= ack. I found no API to query the usage of a page, so I declared the interfa= ce broken.. 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