From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.groups.io with SMTP id smtpd.web10.193040.1673951703999221961 for ; Tue, 17 Jan 2023 02:35:04 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=cLnvRaWy; spf=pass (domain: redhat.com, ip: 170.10.129.124, mailfrom: kraxel@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1673951703; 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=QQOt8ySyPNfsebwY1js22piNE2vG1l6hynTNM9Lu89A=; b=cLnvRaWyTuFQMXnVBIe0WMcZjg5ymufbhoJQRRRqaq+jCNzlh9elrDmEjuQLYEUE4T4ICU X9shtQfhMe6KNEfJG/GQ3BOc711inZdLvNINGgiB2wrqO1qOT7RiBCbfz5iXGz64FGdu6i ykS/X5YtiLg12CM9KDLy9tFJ3SoECDo= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-513-R2m6b25aP3W36F_H3VIq-g-1; Tue, 17 Jan 2023 05:34:54 -0500 X-MC-Unique: R2m6b25aP3W36F_H3VIq-g-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E213E811E6E; Tue, 17 Jan 2023 10:34:53 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.192.124]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9F9981121315; Tue, 17 Jan 2023 10:34:53 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 0DCDC1800097; Tue, 17 Jan 2023 11:34:51 +0100 (CET) Date: Tue, 17 Jan 2023 11:34:51 +0100 From: "Gerd Hoffmann" To: Dave Hansen Cc: "Kirill A. Shutemov" , Dionna Glaze , linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, x86@kernel.org, jiewen.yao@intel.com, devel@edk2.groups.io, Ard Biescheuvel , "Min M. Xu" , James Bottomley , Tom Lendacky , Erdem Aktas , Dave Hansen Subject: Re: [PATCH v2] x86/efi: Safely enable unaccepted memory in UEFI Message-ID: <20230117103451.74k6eddipikhml3y@sirius.home.kraxel.org> References: <20230113212926.2904735-1-dionnaglaze@google.com> <20230113222024.rp2erl54vx3grdbd@box.shutemov.name> <20230116105648.63hsxnmj2juwudmu@sirius.home.kraxel.org> MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, > In any case, the firmware side of things didn't seem like _that_ much > code. So, I'm not protesting *that* strongly. But, I also don't > believe for a second that this is going to be removed in 3-5 years. If things are going roughly as I expect them to go (both tdx support and unaccepted memory support land upstream this year; distros enable it by default) we should be able to drop this when the 6.1-lts kernel goes EOL. First in edk2, later in linux too. take care, Gerd