From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from hrndva-omtalb.mail.rr.com (hrndva-omtalb.mail.rr.com [71.74.56.125]) by ozlabs.org (Postfix) with ESMTP id E0E39B6EF7 for ; Thu, 24 Jun 2010 05:45:51 +1000 (EST) Subject: Re: [PATCH 08/40] tracing: remove syscall bitmaps in preparation for compat support From: Steven Rostedt To: Jason Baron In-Reply-To: <20100623193455.GE2680@redhat.com> References: <1277287401-28571-1-git-send-email-imunsie@au1.ibm.com> <1277287401-28571-9-git-send-email-imunsie@au1.ibm.com> <1277306204.9181.43.camel@gandalf.stny.rr.com> <20100623191454.GC2680@redhat.com> <20100623193455.GE2680@redhat.com> Content-Type: text/plain; charset="ISO-8859-15" Date: Wed, 23 Jun 2010 15:45:47 -0400 Message-ID: <1277322347.9181.54.camel@gandalf.stny.rr.com> Mime-Version: 1.0 Cc: Lai Jiangshan , Frederic Weisbecker , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Ingo Molnar , Paul Mackerras , Ian Munsie , Ingo Molnar , Masami Hiramatsu Reply-To: rostedt@goodmis.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2010-06-23 at 15:34 -0400, Jason Baron wrote: > Actually, looking at this further, what we probably want to do change > the "int nb_args" field, which is already in syscall_metadata into a bit > field. nb_args I think can be at most 6, or 3 bits, and we only need 4 > bits for storing the enabled/disabled data, so we could even make it a > char. Thus, actually saving space with this patch :) (at least as far as > the syscall_metadata field is concerned). Yeah, I'm fine with turning that into a count/flags field. -- Steve