From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764759AbZFLV1V (ORCPT ); Fri, 12 Jun 2009 17:27:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762166AbZFLV1I (ORCPT ); Fri, 12 Jun 2009 17:27:08 -0400 Received: from mx2.redhat.com ([66.187.237.31]:42755 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757210AbZFLV1G (ORCPT ); Fri, 12 Jun 2009 17:27:06 -0400 Date: Fri, 12 Jun 2009 17:24:44 -0400 From: Jason Baron To: linux-kernel@vger.kernel.org Cc: fweisbec@gmail.com, mingo@elte.hu, laijs@cn.fujitsu.com, rostedt@goodmis.org, peterz@infradead.org, mathieu.desnoyers@polymtl.ca, jiayingz@google.com, bligh@google.com, roland@redhat.com, fche@redhat.com Message-Id: <60b91c42482cf69f925b43dc3e2c322da0f36130.1244837725.git.jbaron@redhat.com> In-Reply-To: References: Subject: [PATCH 2/7] add syscall tracepoints Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Call arch_init_ftrace_syscalls at boot, so we can determine the set of syscalls for the syscall trace events. Signed-off-by: Jason Baron --- arch/x86/kernel/ftrace.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 30baa5b..9f2aa83 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -518,7 +518,7 @@ int syscall_name_to_nr(char *name) return -1; } -void arch_init_ftrace_syscalls(void) +int arch_init_ftrace_syscalls(void) { int i; struct syscall_metadata *meta; @@ -532,17 +532,19 @@ void arch_init_ftrace_syscalls(void) FTRACE_SYSCALL_MAX, GFP_KERNEL); if (!syscalls_metadata) { WARN_ON(1); - return; + return -ENOMEM; } for (i = 0; i < FTRACE_SYSCALL_MAX; i++) { meta = find_syscall_meta(psys_syscall_table[i]); syscalls_metadata[i] = meta; } - return; + return 0; /* Paranoid: avoid overflow */ end: atomic_dec(&refs); + return 0; } +arch_initcall(arch_init_ftrace_syscalls); #endif -- 1.6.0.6