From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753947Ab3KUJgK (ORCPT ); Thu, 21 Nov 2013 04:36:10 -0500 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:38029 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753836Ab3KUJgH (ORCPT ); Thu, 21 Nov 2013 04:36:07 -0500 X-SecurityPolicyCheck: OK by SHieldMailChecker v2.0.1 X-SHieldMailCheckerPolicyVersion: FJ-ISEC-20120718-3 Message-ID: <528DD3E0.3050606@jp.fujitsu.com> Date: Thu, 21 Nov 2013 18:35:28 +0900 From: Yasuaki Ishimatsu User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 MIME-Version: 1.0 To: Matthew Garrett CC: "linux-efi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "matt.fleming@intel.com" , "jlee@suse.com" , "matt@console-pimps.org" , "richard@nod.at" , "cxie@redhat.com" Subject: Re: [PATCH] x86, efi: add no_bricked_efi whitelist References: <528C740A.6010407@jp.fujitsu.com> <1384963376.20536.3.camel@x230> In-Reply-To: <1384963376.20536.3.camel@x230> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-SecurityPolicyCheck-GC: OK by FENCE-Mail Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (2013/11/21 1:02), Matthew Garrett wrote: > On Wed, 2013-11-20 at 17:34 +0900, Yasuaki Ishimatsu wrote: > >> When booting my system, remaining space of efi variable storage is about >> 5KB. So there is no room that sets a new variable to the storage. On my >> system, trigger of gc is when EFI_OUT_OF_RESOURCES occurs on pre OS >> environment with UEFI. So if EFI_OUT_OF_RESOURCES occurs by the 5Kbyte >> threshold, nvram storage cannot be used until EFI_OUT_OF_RESOURCES occurs >> on pre OS environment with UEFI. > > By "remaining space is about 5KB", do you mean that the rest of the > space is filled with variables or do you mean that there is more free > space but it hasn't been garbage collected? > Remaining space is free space that can be used by efi variable. But by 5KB threshold, we cannot use the space while running OS. Thanks, Yasuaki Ishimatsu