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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D11EECAAD8 for ; Wed, 21 Sep 2022 16:35:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231425AbiIUQfr (ORCPT ); Wed, 21 Sep 2022 12:35:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59688 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231351AbiIUQfM (ORCPT ); Wed, 21 Sep 2022 12:35:12 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97F149C2F5 for ; Wed, 21 Sep 2022 09:17:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1663777058; 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=FfcSWDyvK8gG5N4a1A9EOaJbBSk6wOatfd9ejRCTkqM=; b=i3SG3/n9U5uqIDJg1Ytb/pVHWxKNguZ8x+NcF4DRC9WI+zXy5hLyIyV3fKY+9FW0twezt4 sdFX1Kv1pQs1RKyRAe7lavbpogq8Wlt2cjp45Kh3QN1Op4mppozpe05Yek6KPXd9wSdj3z qjDNlrWcNJddIFi4rnfQhAImTdqXKlo= Received: from mail-ej1-f69.google.com (mail-ej1-f69.google.com [209.85.218.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-99-P6fpMFrNMI6C4KwTX0veUg-1; Wed, 21 Sep 2022 12:17:36 -0400 X-MC-Unique: P6fpMFrNMI6C4KwTX0veUg-1 Received: by mail-ej1-f69.google.com with SMTP id sb32-20020a1709076da000b0077faea20701so3353249ejc.10 for ; Wed, 21 Sep 2022 09:17:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date; bh=FfcSWDyvK8gG5N4a1A9EOaJbBSk6wOatfd9ejRCTkqM=; b=mHCfHGkrE6ADO4rVjMiuhz/UMo0ygmQVzLomu+BdtQh9H7pmDY/MGukUmp2Jo0ZShA xqf0O0E6U57lPNzgTyHKFGB1kENGgpQAQvV+/netE7pHYMzBrpGMHa5es+bYTHDyP+OD Y3p6BI72F7hCYi2H005rU+IA8wPl2H98NJ6zb+W3EpsSf4/MBFgzSc0uNWV006DJ9pyJ Rz9YQMjAVQ013XeCe/P/3nTcar/MWAkEvrMlsZQPzMGvTCsbHTPDGVSlfcYZRcMj/P3s HrU4yfE7hXoOYJxH0nBQrW6mwvqdnqBjOKUK7TUttfoRoIZjWiy+QSZBLrjz0nYsOeB8 IfCw== X-Gm-Message-State: ACrzQf124PgBxiyTr08lqDVWfm8b+7gAgvk38TIopPH1cqkYsv1FeAmI TeCtm7oJMqFXKkulO2sTBDD8f8IwlLWStKHC71vnIAsJ1s3i2RuxFvt/kPXsEiR5Zb1A8F8GqBq ByPYFDYZ9OrB1wLm7ePQ5RV85 X-Received: by 2002:aa7:d617:0:b0:44e:d2de:3fe1 with SMTP id c23-20020aa7d617000000b0044ed2de3fe1mr26164134edr.104.1663777055783; Wed, 21 Sep 2022 09:17:35 -0700 (PDT) X-Google-Smtp-Source: AMsMyM58VTewJJPKmz/ZoiZ0+8xhb98FXISDzqGdAWAP+DQt5crsRNfxwSLeqyF4RjyCWlLrJmoQTA== X-Received: by 2002:aa7:d617:0:b0:44e:d2de:3fe1 with SMTP id c23-20020aa7d617000000b0044ed2de3fe1mr26164112edr.104.1663777055583; Wed, 21 Sep 2022 09:17:35 -0700 (PDT) Received: from fedora (nat-2.ign.cz. [91.219.240.2]) by smtp.gmail.com with ESMTPSA id j26-20020a170906255a00b0073dde62713asm1428988ejb.89.2022.09.21.09.17.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Sep 2022 09:17:35 -0700 (PDT) From: Vitaly Kuznetsov To: Sasha Levin Cc: Michael Kelley , Wei Liu , kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, decui@microsoft.com, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH AUTOSEL 5.19 01/16] Drivers: hv: Never allocate anything besides framebuffer from framebuffer memory region In-Reply-To: <20220921155332.234913-1-sashal@kernel.org> References: <20220921155332.234913-1-sashal@kernel.org> Date: Wed, 21 Sep 2022 18:17:34 +0200 Message-ID: <87illgog69.fsf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sasha Levin writes: > From: Vitaly Kuznetsov > > [ Upstream commit f0880e2cb7e1f8039a048fdd01ce45ab77247221 ] > (this comment applies to all stable branches) While this change seems to be worthy on its own, the underlying issue with Gen1 Hyper-V VMs won't be resolved without commit 2a8a8afba0c3053d0ea8686182f6b2104293037e Author: Vitaly Kuznetsov Date: Sat Aug 27 15:03:44 2022 +0200 Drivers: hv: Always reserve framebuffer region for Gen1 VMs as 'fb_mmio' is still going to be unset in some cases without it. -- Vitaly