From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [RFT] x86 acpi: normalize segment descriptor register on resume Date: Sun, 13 Jul 2008 19:35:45 -0700 Message-ID: <487ABB81.8020100@zytor.com> References: <200807010148.02135.rjw@sisk.pl> <200807132115.08230.rjw@sisk.pl> <487A617B.80707@firstfloor.org> <200807132229.43140.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <200807132229.43140.rjw@sisk.pl> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: "Rafael J. Wysocki" Cc: Andy Lutomirski , LKML , ACPI Devel Maling List , Andi Kleen , public-kernel-testers-u79uwXL29TY76Z2rM5mHXA@lo.gmane.org, Ingo Molnar , pm list List-Id: linux-acpi@vger.kernel.org Rafael J. Wysocki wrote: > > If s3_bios depends on the (invalid) contents of the hidden part of any segment > register, it's just terminally broken. > Depending on it being in Big Real Mode isn't all that broken, however, especially on laptops where the vendor has control over the system BIOS/video BIOS. Enabling BRM by default *shouldn't* break anything, so it might be what we want to do anyway. -hpa