From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753495Ab2KSFbk (ORCPT ); Mon, 19 Nov 2012 00:31:40 -0500 Received: from relay4-d.mail.gandi.net ([217.70.183.196]:45050 "EHLO relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753251Ab2KSFbh convert rfc822-to-8bit (ORCPT ); Mon, 19 Nov 2012 00:31:37 -0500 X-Originating-IP: 217.70.178.139 X-Originating-IP: 50.43.39.152 From: Josh Triplett To: Linus Torvalds , Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , linux-kernel@vger.kernel.org Cc: Josh Triplett Subject: [PATCH 39/58] kernel/events/core.c: Add prototype for __weak stub of arch_perf_update_userpage Date: Sun, 18 Nov 2012 21:28:18 -0800 Message-Id: <1353302917-13995-40-git-send-email-josh@joshtriplett.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1353302917-13995-1-git-send-email-josh@joshtriplett.org> References: <1353302917-13995-1-git-send-email-josh@joshtriplett.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org kernel/events/core.c defines an empty stub of arch_perf_update_userpage with __weak, for use on architectures without an alternate implementation. Define a prototype of that function, to satisfy gcc (-Wmissing-prototypes) and Sparse (-Wdecl). arch/x86/kernel/cpu/perf_event.c:1692:6: warning: no previous prototype for ‘arch_perf_update_userpage’ [-Wmissing-prototypes] Signed-off-by: Josh Triplett --- kernel/events/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/events/core.c b/kernel/events/core.c index 543638a..69ab633 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3353,6 +3353,8 @@ static void calc_timer_values(struct perf_event *event, *running = ctx_time - event->tstamp_running; } +void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now); + void __weak arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) { } -- 1.7.10.4