From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: [RFC, PATCHv1 15/28] x86: detect 5-level paging support Date: Thu, 8 Dec 2016 21:20:13 +0100 Message-ID: <20161208202013.uutsny6avn5gimwq@pd.tnic> References: <20161208162150.148763-1-kirill.shutemov@linux.intel.com> <20161208162150.148763-17-kirill.shutemov@linux.intel.com> <20161208200505.c6xiy56oufg6d24m@pd.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Received: from mail.skyhub.de ([78.46.96.112]:42714 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751905AbcLHUUX (ORCPT ); Thu, 8 Dec 2016 15:20:23 -0500 Content-Disposition: inline In-Reply-To: Sender: linux-arch-owner@vger.kernel.org List-ID: To: Linus Torvalds Cc: "Kirill A. Shutemov" , Andrew Morton , the arch/x86 maintainers , Thomas Gleixner , Ingo Molnar , Arnd Bergmann , "H. Peter Anvin" , Andi Kleen , Dave Hansen , Andy Lutomirski , "linux-arch@vger.kernel.org" , linux-mm , Linux Kernel Mailing List On Thu, Dec 08, 2016 at 12:08:53PM -0800, Linus Torvalds wrote: > Especially since that's some of the ugliest inline asm ever due to the > nasty BX handling. Yeah, about that: why doesn't gcc handle that for us like it would handle a clobbered register? I mean, it *should* know that BX is live when building with -fPIC... The .ifnc thing looks really silly. Hmmm. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.