From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Alexandre Julliard To: Linus Torvalds Cc: Brian Gerst , Ingo Molnar , "H. Peter Anvin" , Linux Kernel Mailing List , Thomas Gleixner , stable , "H. Peter Anvin" Subject: Re: [tip:x86/urgent] x86-64, modify_ldt: Ban 16-bit segments on 64-bit kernels References: Date: Mon, 14 Apr 2014 09:48:10 +0200 In-Reply-To: (Linus Torvalds's message of "Fri, 11 Apr 2014 11:50:10 -0700") Message-ID: <87k3aspd1h.fsf@wine.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: Linus Torvalds writes: > 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. Yes, there is still a significant number of users, and we still regularly get bug reports about specific 16-bit apps. It would be really nice if we could continue to support them on x86-64, particularly since Microsoft doesn't ;-) -- Alexandre Julliard julliard@winehq.org