From: Zhang Haoyu Subject: Re: Does kvm friendly support GPT? Date: Mon, 22 Dec 2014 17:59:45 +0800 Message-ID: <5497EB91.9020301@gmail.com> References: <5497BC9F.6020908@gmail.com> <5497E45A.6080002@redhat.com> <5497E72B.20507@gmail.com> <5497E9DB.4040801@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit To: Paolo Bonzini , qemu-devel , kvm-devel Return-path: Received: from mail-pa0-f66.google.com ([209.85.220.66]:57694 "EHLO mail-pa0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754124AbaLVJ7w (ORCPT ); Mon, 22 Dec 2014 04:59:52 -0500 Received: by mail-pa0-f66.google.com with SMTP id rd3so4245463pab.5 for ; Mon, 22 Dec 2014 01:59:52 -0800 (PST) In-Reply-To: <5497E9DB.4040801@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 2014/12/22 17:52, Paolo Bonzini wrote: > > > On 22/12/2014 10:40, Zhang Haoyu wrote: >>> 2) the FAT driver is not free, which prevents distribution in Fedora and >>> several other distributions >>> >> Sorry, I cannot follow you, >> the "FAT" mentioned above means FAT filesystem? >> what's the relationship between OVMF and FAT? >> >> I want to use OVMF to enable UEFI to support GPT partition for P2V scenario. > > Yes, I mean FAT filesystem. > > The EFI system partition (the one with BOOTX64.EFI) is FAT. The > filesystem driver is not free, and without the driver you cannot boot a > UEFI system. So Fedora and other distributions that do not allow > non-free or patent-encumbered software cannot distribute a useful OVMF > build. > Paolo,thanks. > Paolo >