Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756294AbaDLU3w (ORCPT ); Sat, 12 Apr 2014 16:29:52 -0400 Received: from mail-wi0-f176.google.com ([209.85.212.176]:62034 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754889AbaDLU3u (ORCPT ); Sat, 12 Apr 2014 16:29:50 -0400 MIME-Version: 1.0 In-Reply-To: <6f5f98f2-aa96-433f-9ee8-5ba216624957@email.android.com> References: <6f5f98f2-aa96-433f-9ee8-5ba216624957@email.android.com> Date: Sat, 12 Apr 2014 16:29:48 -0400 Message-ID: Subject: Re: [tip:x86/urgent] x86-64, modify_ldt: Ban 16-bit segments on 64-bit kernels From: Brian Gerst To: "H. Peter Anvin" Cc: Linus Torvalds , Ingo Molnar , Linux Kernel Mailing List , Thomas Gleixner , stable , "H. Peter Anvin" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For this particular game, not 16-bit in general. The installer, also 16-bit, runs perfectly. Already filed wine bug 35977. On Sat, Apr 12, 2014 at 1:18 PM, H. Peter Anvin wrote: > So Wine regressed and noone noticed? They doesn't sound like an active user base. > > On April 11, 2014 9:44:22 PM PDT, Brian Gerst wrote: >>On Fri, Apr 11, 2014 at 2:50 PM, Linus Torvalds >> wrote: >>> On Fri, Apr 11, 2014 at 11:45 AM, Brian Gerst >>wrote: >>>> >>>> I haven't tested it recently but I do know it has worked on 64-bit >>>> kernels. There is no reason for it not to, the only thing not >>>> supported in long mode is vm86. 16-bit protected mode is unchanged. >>> >>> Afaik 64-bit windows doesn't support 16-bit binaries, so I just >>> assumed Wine wouldn't do it either on x86-64. Not for any real >>> technical reasons, though. >>> >>> HOWEVER. I'd like to hear something more definitive than "I haven't >>> tested recently". The "we don't break user space" is about having >>> actual real *users*, not about test programs. >>> >>> Are there people actually using 16-bit old windows programs under >>> wine? That's what matters. >>> >>> Linus >> >>I just verified that the game does still run on a 64-bit kernel >>(3.13.8-200.fc20.x86_64). It needed an older version of Wine, but >>that's a Wine regression and not kernel related. > > -- > Sent from my mobile phone. Please pardon 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/