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 0903EC6FA82 for ; Wed, 21 Sep 2022 16:35:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231154AbiIUQfj (ORCPT ); Wed, 21 Sep 2022 12:35:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231422AbiIUQfM (ORCPT ); Wed, 21 Sep 2022 12:35:12 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98091A7AAA 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-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-204-dDR6vmRwPEOQvHvPYBhxsw-1; Wed, 21 Sep 2022 12:17:36 -0400 X-MC-Unique: dDR6vmRwPEOQvHvPYBhxsw-1 Received: by mail-ed1-f72.google.com with SMTP id e15-20020a056402190f00b0044f41e776a0so4782722edz.0 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=xyW2XXHANDmMh0nesEG7NKWmqdGTO7X1CQKqyJpjRyzj7IdxeNXhYPo9YDVsLbYOFw U+mrd+3CgnYY0N+sGMcnQG/nnDTyzT86/Pw3tEAD7Sr0Ks1QFknF/cfWkIoeFHCgnlJT TAnf49yAU94bGsWXbHVvDKYPsG2LjdhFIknqWs+okUwHVdRy239mtSMaEqqpk4Ru04uB cM2Img+qVss1p/zhNSrgXH+cuAXnJKsiYXigSp3zxH9Imb3HeWOKf6KS+RPC/KGl4AnA I7C7MoyuK7RIuFEsJ2r/XQu0PRjRxphShgeEhiwAtdP+p7DHcmtvLZfsehMtTPzBINUS ox1g== X-Gm-Message-State: ACrzQf2CX3mfFEEdCEs9q3QBZWp6I9BkzwdxxUmWGMuQp6kYQ/ZtQWPu uP1aHpo9T20HSbUk00tJHzPabHbbnZBOcsZfMFTDYTq3NMt9dTq/bz0UrnecjLBk84wnB08zO7r cNZMJnTKToNQFk9g6S5A78eM3 X-Received: by 2002:aa7:d617:0:b0:44e:d2de:3fe1 with SMTP id c23-20020aa7d617000000b0044ed2de3fe1mr26164135edr.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-hyperv@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