From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753316Ab0FWKGM (ORCPT ); Wed, 23 Jun 2010 06:06:12 -0400 Received: from e23smtp08.au.ibm.com ([202.81.31.141]:55599 "EHLO e23smtp08.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753109Ab0FWKEo (ORCPT ); Wed, 23 Jun 2010 06:04:44 -0400 From: "Ian Munsie" To: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org Cc: Jason Baron , Frederic Weisbecker , Steven Rostedt , Ingo Molnar , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Ian Munsie , Masami Hiramatsu Subject: [PATCH 38/40] trace syscalls: Remove redundant test for unmapped compat syscalls Date: Wed, 23 Jun 2010 20:03:19 +1000 Message-Id: <1277287401-28571-39-git-send-email-imunsie@au1.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1277287401-28571-1-git-send-email-imunsie@au1.ibm.com> References: <1277287401-28571-1-git-send-email-imunsie@au1.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ian Munsie Since the ftrace event initialisation routine now verifies that either the syscall number or the compat syscall number is valid and will not create events for unmapped syscalls, it is unnecessary to explicitly search for them, so remove it. Signed-off-by: Ian Munsie --- kernel/trace/trace_syscalls.c | 20 -------------------- 1 files changed, 0 insertions(+), 20 deletions(-) diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index c0041e3..108c2eb 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -528,26 +528,6 @@ int __init init_ftrace_syscalls(void) meta->compat_syscall_nr = i; compat_syscalls_metadata[i] = meta; } - /* now check if any compat_syscalls are not referenced */ - for (ftrace_event = __start_ftrace_events; - (unsigned long)ftrace_event < - (unsigned long)__stop_ftrace_events; ftrace_event++) { - - match = 0; - if (!ftrace_event->name) - continue; - if (strcmp(ftrace_event->class->system, "compat_syscalls")) - continue; - for (i = 0; i < NR_syscalls_compat; i++) { - if (ftrace_event->data == - compat_syscalls_metadata[i]) { - match = 1; - break; - } - } - if (!match) - ftrace_event->name = NULL; - } } #endif return 0; -- 1.7.1