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 D8B91D116F1 for ; Mon, 1 Dec 2025 13:04:39 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vQ3Zn-0004Nv-Cj; Mon, 01 Dec 2025 08:04:25 -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 1vQ3Zg-0004MN-LY for qemu-devel@nongnu.org; Mon, 01 Dec 2025 08:04:16 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vQ3Zd-0005TB-8n for qemu-devel@nongnu.org; Mon, 01 Dec 2025 08:04:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1764594251; 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=E5PwbmyFBybEoLjnTZncZ4aedTX2RfODF5AgVnrNQ0s=; b=iZjrzPUm/jW54ER2uzcJ9tfpK2Uq68dO4n53Bj0hkajF5tPepbwFAW3L0/CbAWBJNk2sqy K32YS0NYoDNM3t0gO2sf+2iXqvEm8E9zqrqWZE/4ctW0FAz5mIg8TIc5XXDEXEOPSoUReT 9/1wcTJzyHWg1Dgseo9GRz7tFUJeOKQ= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-220-xjlc8kfYN6ybIw61nNQWVw-1; Mon, 01 Dec 2025 08:04:08 -0500 X-MC-Unique: xjlc8kfYN6ybIw61nNQWVw-1 X-Mimecast-MFC-AGG-ID: xjlc8kfYN6ybIw61nNQWVw_1764594246 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 64B9F195608E; Mon, 1 Dec 2025 13:04:06 +0000 (UTC) Received: from localhost (dhcp-192-223.str.redhat.com [10.33.192.223]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C04BC1956095; Mon, 1 Dec 2025 13:04:04 +0000 (UTC) From: Cornelia Huck To: "Chalios, Babis" , "mst@redhat.com" , "imammedo@redhat.com" , "pbonzini@redhat.com" Cc: "qemu-devel@nongnu.org" , "dwmw2@infradead.org" , "Chalios, Babis" , "Graf (AWS), Alexander" , "mzxreary@0pointer.de" Subject: Re: [RFC PATCH 2/4] hw/acpi: add new fields in VMClock ABI In-Reply-To: <20251201125023.18344-4-bchalios@amazon.es> Organization: "Red Hat GmbH, Sitz: Werner-von-Siemens-Ring 12, D-85630 Grasbrunn, Handelsregister: Amtsgericht =?utf-8?Q?M=C3=BCnchen=2C?= HRB 153243, =?utf-8?Q?Gesch=C3=A4ftsf=C3=BChrer=3A?= Ryan Barnhart, Charles Cachera, Avril Crosse O'Flaherty" References: <20251201125023.18344-1-bchalios@amazon.es> <20251201125023.18344-4-bchalios@amazon.es> User-Agent: Notmuch/0.38.3 (https://notmuchmail.org) Date: Mon, 01 Dec 2025 14:04:02 +0100 Message-ID: <87qztenykd.fsf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass client-ip=170.10.133.124; envelope-from=cohuck@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-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 On Mon, Dec 01 2025, "Chalios, Babis" wrote: > 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. > > Moreover, VMClock now optionally supports device notifications when the > seq_count changes to a new even value. > > Signed-off-by: Babis Chalios > --- > include/standard-headers/linux/vmclock-abi.h | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) 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.