From patchwork Wed Mar 19 11:01:48 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 14022480 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 C0485C35FFA for ; Wed, 19 Mar 2025 11:02:27 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1turBY-0003QP-Fg; Wed, 19 Mar 2025 07:02:08 -0400 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 1turBU-0003Pm-JZ for qemu-devel@nongnu.org; Wed, 19 Mar 2025 07:02:05 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1turBS-0000Nd-FI for qemu-devel@nongnu.org; Wed, 19 Mar 2025 07:02:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1742382120; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=2Af3ED/mowFZ0kteHFPKJ10OXKrPoZEzuDihqE++sc8=; b=RqrCe+7xwOROIhYewGbhZyAbMjeOck5KGVNjLx0khGJRbRBkVqaI8gEAqrPizpush+KrJr vYgbBeNQOTtN5HE6IKmJSA95l/OGYTqpIl6r1r2t8KQklg7H6IjIaMr6HRGlt9OmX4fo6k odrgE/UPDhHT1KYp9ovFAFbjv/fYCiE= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-447-U_-t_hR6MjWRBPzGm3Nxbw-1; Wed, 19 Mar 2025 07:01:56 -0400 X-MC-Unique: U_-t_hR6MjWRBPzGm3Nxbw-1 X-Mimecast-MFC-AGG-ID: U_-t_hR6MjWRBPzGm3Nxbw_1742382115 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9AE971828A87; Wed, 19 Mar 2025 11:01:55 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.45.224.38]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A896B19560AD; Wed, 19 Mar 2025 11:01:54 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 38CAE1800391; Wed, 19 Mar 2025 12:01:52 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?D?= =?utf-8?q?aniel_P=2E_Berrang=C3=A9?= , Kashyap Chamarthy , Gerd Hoffmann , Peter Krempa Subject: [PATCH v2 1/4] hw/uefi: flush variable store to disk in post load Date: Wed, 19 Mar 2025 12:01:48 +0100 Message-ID: <20250319110152.1309969-2-kraxel@redhat.com> In-Reply-To: <20250319110152.1309969-1-kraxel@redhat.com> References: <20250319110152.1309969-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.332, 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=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 Makes live migration more robust. Commit 4c0cfc72b31a ("pflash_cfi01: write flash contents to bdrv on incoming migration") elaborates in detail on the motivation. Cc: Peter Krempa Signed-off-by: Gerd Hoffmann --- hw/uefi/var-service-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/uefi/var-service-core.c b/hw/uefi/var-service-core.c index 8ed8378ab991..4836a0cb8116 100644 --- a/hw/uefi/var-service-core.c +++ b/hw/uefi/var-service-core.c @@ -29,6 +29,7 @@ static int uefi_vars_post_load(void *opaque, int version_id) uefi_vars_state *uv = opaque; uefi_vars_update_storage(uv); + uefi_vars_json_save(uv); uv->buffer = g_malloc(uv->buf_size); return 0; }