Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756494Ab3DSGA7 (ORCPT ); Fri, 19 Apr 2013 02:00:59 -0400 Received: from terminus.zytor.com ([198.137.202.10]:46711 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753368Ab3DSGA5 (ORCPT ); Fri, 19 Apr 2013 02:00:57 -0400 User-Agent: K-9 Mail for Android In-Reply-To: <20130419055813.GA16443@kroah.com> References: <1366236341-22615-1-git-send-email-bryan.odonoghue.lkml@nexus-software.ie> <20130419055813.GA16443@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] Remove warning in efi_enter_virtual_mode V2 From: "H. Peter Anvin" Date: Thu, 18 Apr 2013 23:00:27 -0700 To: Greg KH , "Bryan O'Donoghue" CC: matt@console-pimps.org, matthew.garrett@nebula.com, linux-efi@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, darren.hart@intel.com, josh@joshtriplett.org, mingo@kernel.org, tglx@linutronix.de Message-ID: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1127 Lines: 32 The only real use for command line options is to be able to get users to test something during troubleshooting. Greg KH wrote: >On Wed, Apr 17, 2013 at 11:05:41PM +0100, Bryan O'Donoghue wrote: >> Some EFI BIOS stores BGRT data in the wrong place and some EFI based >> BIOS also requires mapping of boot code/data when doing >> efi_enter_virtual_mode. >> >> Current code in efi_enter_virtual_mode maps both EFI_RUNTIME_MEMORY >and >> BIOS boot code/data. >> >> This patch gives the option to switch off that behavior - if your >BIOS >> has neither BGRT - nor bugs that require mapping of EFI boot >code/data > >No, never add new boot options, no users, or distros, know to set them. >Isn't there some way we can dynamically determine this instead? > >thanks, > >greg k-h -- Sent from my mobile phone. Please excuse brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/