From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yasuaki Ishimatsu Subject: Re: [PATCH] x86, efi: add no_bricked_efi whitelist Date: Thu, 21 Nov 2013 18:35:28 +0900 Message-ID: <528DD3E0.3050606@jp.fujitsu.com> References: <528C740A.6010407@jp.fujitsu.com> <1384963376.20536.3.camel@x230> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1384963376.20536.3.camel@x230> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Matthew Garrett Cc: "linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org" , "jlee-IBi9RG/b67k@public.gmane.org" , "matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org" , "richard-/L3Ra7n9ekc@public.gmane.org" , "cxie-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" List-Id: linux-efi@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