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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C89D4D116F1 for ; Mon, 1 Dec 2025 13:25:35 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vQ3u9-0002Bj-Su; Mon, 01 Dec 2025 08:25:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vQ3u1-0002Ar-IH for qemu-devel@nongnu.org; Mon, 01 Dec 2025 08:25:18 -0500 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vQ3th-0000Ht-ON for qemu-devel@nongnu.org; Mon, 01 Dec 2025 08:25:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=MIME-Version:Content-Type:References: In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=m1p2JzNSB7PUcMTEhGEUcPj7fnTKP9Ds/1cy1sfmiE4=; b=AN6cRfE9gRxvIUkeM+qbizfIk5 8kF9HhPlZy3DpAezySCn+cxfjzHh3n0C90S+Jde3yreiJvAsnJ19UyTyBdllK3npzEC6x4izroLYG xfKnW/fAm41qPe5wRHZvN47DpbUqt8/TDF6l0IMEXx90ejweZvlMSQJV4QMy0O+4yqrc6IE5Qgik/ OU3M7uG9VQgr1DDWduVrfE1H0JCbVWkXB0k5grG37qYq6NVhuXIHeq7tmIFhT09L1Qs4R3WC/FoH0 q/yLMmdee6XHKrUApua8x3hV7bFYduasPhK4LpDkDFTUnXmGNqfrKnorM8xExgVq/OLUSaDTEXwQm 6a2kGa1Q==; Received: from [172.31.31.148] (helo=u09cd745991455d.lumleys.internal) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vQ31x-0000000FuAu-1Fw7; Mon, 01 Dec 2025 12:29:28 +0000 Message-ID: <196b8afa77ec3253006dcde712b07f4e9c70de30.camel@infradead.org> Subject: Re: [RFC PATCH 2/4] hw/acpi: add new fields in VMClock ABI From: David Woodhouse To: Cornelia Huck , "Chalios, Babis" , "mst@redhat.com" , "imammedo@redhat.com" , "pbonzini@redhat.com" Cc: "qemu-devel@nongnu.org" , "Graf (AWS), Alexander" , "mzxreary@0pointer.de" Date: Mon, 01 Dec 2025 13:24:45 +0000 In-Reply-To: <87qztenykd.fsf@redhat.com> References: <20251201125023.18344-1-bchalios@amazon.es> <20251201125023.18344-4-bchalios@amazon.es> <87qztenykd.fsf@redhat.com> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/pkcs7-signature"; boundary="=-ztc5mAOCh4BBD8vhJVQn" User-Agent: Evolution 3.52.3-0ubuntu1 MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by desiato.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1:d65d:64ff:fe57:4e05; envelope-from=BATV+cd717ce28a9accd739e3+8135+infradead.org+dwmw2@desiato.srs.infradead.org; helo=desiato.infradead.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org --=-ztc5mAOCh4BBD8vhJVQn Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2025-12-01 at 14:04 +0100, Cornelia Huck wrote: > On Mon, Dec 01 2025, "Chalios, Babis" wrote: >=20 > > VMClock now supports a vm_generation_counter field in the struct it > > exposes to userspace. The field signals a disruption that happened due > > to a guest loaded from a snapshot. > >=20 > > Moreover, VMClock now optionally supports device notifications when the > > seq_count changes to a new even value. > >=20 > > Signed-off-by: Babis Chalios > > --- > > =C2=A0include/standard-headers/linux/vmclock-abi.h | 20 +++++++++++++++= +++++ > > =C2=A01 file changed, 20 insertions(+) >=20 > Please either do a full linux-headers update against a specific Linux > kernel version, or mark this as a placeholder patch if the code is not > yet merged. The Linux patches are being posted simultaneously, so they'll be in Linux 6.20 (7.0?) at the earliest. We'll want to ingest the update before then. The intent is not for the Linux source to be the canonical definition of the data structure; we *are* working on publishing the spec, and Babis referenced the current draft. It isn't in the form of C source code though, so I suspect it makes sense to keep including the Linux header? --=-ztc5mAOCh4BBD8vhJVQn Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCD9Aw ggSOMIIDdqADAgECAhAOmiw0ECVD4cWj5DqVrT9PMA0GCSqGSIb3DQEBCwUAMGUxCzAJBgNVBAYT AlVTMRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20xJDAi BgNVBAMTG0RpZ2lDZXJ0IEFzc3VyZWQgSUQgUm9vdCBDQTAeFw0yNDAxMzAwMDAwMDBaFw0zMTEx MDkyMzU5NTlaMEExCzAJBgNVBAYTAkFVMRAwDgYDVQQKEwdWZXJva2V5MSAwHgYDVQQDExdWZXJv a2V5IFNlY3VyZSBFbWFpbCBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMjvgLKj jfhCFqxYyRiW8g3cNFAvltDbK5AzcOaR7yVzVGadr4YcCVxjKrEJOgi7WEOH8rUgCNB5cTD8N/Et GfZI+LGqSv0YtNa54T9D1AWJy08ZKkWvfGGIXN9UFAPMJ6OLLH/UUEgFa+7KlrEvMUupDFGnnR06 aDJAwtycb8yXtILj+TvfhLFhafxroXrflspavejQkEiHjNjtHnwbZ+o43g0/yxjwnarGI3kgcak7 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