From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.61]) by mx.groups.io with SMTP id smtpd.web10.12985.1582890608940338499 for ; Fri, 28 Feb 2020 03:50:09 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=ca1y1yjz; spf=pass (domain: redhat.com, ip: 205.139.110.61, mailfrom: lersek@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582890608; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1tDCxU8QPH9uLNwR6t99jNdSH2Qd3DCmeMHffX9VG6U=; b=ca1y1yjzq3PCx6cDqCOLmS4Ql7PN5b9ciG9iT2kHOfZfANhbMZrvGXzK3j61EnrWzJFS60 mE0nnmWEZ+nH31CbI0v92qbdtGpe3w/STD1uIc4QYPHD++gq6DPK846Y54j1Ni45Tonsx1 eXEQUMz2+KgdOMgYwdaFOYCdiEgIHIw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-122-5gFfmSw5PH2Wqc_md-zRqA-1; Fri, 28 Feb 2020 06:50:04 -0500 X-MC-Unique: 5gFfmSw5PH2Wqc_md-zRqA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0CA5F100550E; Fri, 28 Feb 2020 11:50:03 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-116-243.ams2.redhat.com [10.36.116.243]) by smtp.corp.redhat.com (Postfix) with ESMTP id 02B345D9CD; Fri, 28 Feb 2020 11:50:00 +0000 (UTC) Subject: Re: [edk2-devel] A problem with live migration of UEFI virtual machines From: "Laszlo Ersek" To: Andrew Fish , devel@edk2.groups.io Cc: wuchenye1995 , zhoujianjay , =?UTF-8?Q?Alex_Benn=c3=a9e?= , berrange@redhat.com, "Dr. David Alan Gilbert" , qemu-devel@nongnu.org, discuss References: <87sgjhxbtc.fsf@zen.linaroharston> <20200224152810.GX635661@redhat.com> <8b0ec286-9322-ee00-3729-6ec7ee8260a6@redhat.com> <3E8BB07B-8730-4AB8-BCB6-EA183FB589C5@apple.com> <465a5a84-cac4-de39-8956-e38771807450@redhat.com> <8F42F6F1-A65D-490D-9F2F-E12746870B29@apple.com> <6666a886-720d-1ead-8f7e-13e65dcaaeb4@redhat.com> <284BFC25-8534-4147-8616-DE7C410DB681@apple.com> <2e3771cf-089c-aecd-49a7-3034a30fc443@redhat.com> Message-ID: <05c16f06-7576-f643-5bf8-8adbd41d139c@redhat.com> Date: Fri, 28 Feb 2020 12:50:00 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <2e3771cf-089c-aecd-49a7-3034a30fc443@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit On 02/28/20 12:47, Laszlo Ersek wrote: > On 02/28/20 05:04, Andrew Fish wrote: >> Given the above it seems like the 2 options are: >> 1) Pad OVMF_CODE.fd to be very large so there is room to grow. > > There's already room to grow, *inside* OVMF_CODE.fd. As I've shown > elsewhere in this thread, even the 2MB build has approx. 457 KB free in > the DXEFV volume, even without link-time optimization and without > DEBUG/ASSERT stripping, if you don't enable additional features. Typo; I meant FVMAIN_COMPACT, not DXEFV. Laszlo