Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753348AbaGaRU1 (ORCPT ); Thu, 31 Jul 2014 13:20:27 -0400 Received: from mail-we0-f181.google.com ([74.125.82.181]:34103 "EHLO mail-we0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752527AbaGaRUY (ORCPT ); Thu, 31 Jul 2014 13:20:24 -0400 Date: Thu, 31 Jul 2014 19:20:18 +0200 From: Frederic Weisbecker To: "H. Peter Anvin" Cc: Andy Lutomirski , Oleg Nesterov , linux-arch , X86 ML , LSM List , Linux MIPS Mailing List , "linux-arm-kernel@lists.infradead.org" , Alexei Starovoitov , Will Drewry , Kees Cook , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v4 0/5] x86: two-phase syscall tracing and seccomp fastpath Message-ID: <20140731172017.GF7842@localhost.localdomain> References: <20140729192056.GA6308@redhat.com> <20140730165940.GB27954@localhost.localdomain> <53DA7550.40905@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53DA7550.40905@zytor.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 31, 2014 at 09:56:48AM -0700, H. Peter Anvin wrote: > On 07/30/2014 10:25 AM, Andy Lutomirski wrote: > > > > And yet x86_64 has this code implemented in assembly even in the > > slowpath. Go figure. > > > > There is way too much assembly in entry_64.S probably because things > have been grafted on, ahem, "organically". It is darn nigh impossible > to even remotely figure out what goes on in that file. Always warn your family and give them an estimate return hour before opening that file. -- 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/