From mboxrd@z Thu Jan 1 00:00:00 1970 From: fweisbec@gmail.com (Frederic Weisbecker) Date: Thu, 31 Jul 2014 19:20:18 +0200 Subject: [PATCH v4 0/5] x86: two-phase syscall tracing and seccomp fastpath In-Reply-To: <53DA7550.40905@zytor.com> References: <20140729192056.GA6308@redhat.com> <20140730165940.GB27954@localhost.localdomain> <53DA7550.40905@zytor.com> Message-ID: <20140731172017.GF7842@localhost.localdomain> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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.