From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262427AbVG0VXB (ORCPT ); Wed, 27 Jul 2005 17:23:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262416AbVG0Ucb (ORCPT ); Wed, 27 Jul 2005 16:32:31 -0400 Received: from peabody.ximian.com ([130.57.169.10]:11960 "EHLO peabody.ximian.com") by vger.kernel.org with ESMTP id S262367AbVG0UbB (ORCPT ); Wed, 27 Jul 2005 16:31:01 -0400 Subject: Re: [patch] inotify: ppc64 syscalls. From: Robert Love To: "David S. Miller" Cc: akpm@osdl.org, paulus@samba.org, linux-kernel@vger.kernel.org, ttb@tentacle.dhs.org In-Reply-To: <20050727.132701.115907512.davem@davemloft.net> References: <1122479106.21253.158.camel@betsy> <20050727095539.602fcc4a.akpm@osdl.org> <1122485496.21253.170.camel@betsy> <20050727.132701.115907512.davem@davemloft.net> Content-Type: text/plain Date: Wed, 27 Jul 2005 16:31:02 -0400 Message-Id: <1122496262.21253.190.camel@betsy> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2005-07-27 at 13:27 -0700, David S. Miller wrote: > You'll notice that sys_ppc32.c has a ton of shims which purely > exist to sign extend "int" system call arguments. Sparc64 does > something similarly, but in assembler so that we don't eat the > overhead of a full stack frame just to sign extend arguments. Yah, but it looked like they did the sign extend thing for every int but file descriptors, and fd's are the only int's we have. Robert Love