From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93656C11F66 for ; Tue, 29 Jun 2021 11:49:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 758E461D4A for ; Tue, 29 Jun 2021 11:49:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233652AbhF2Lvi (ORCPT ); Tue, 29 Jun 2021 07:51:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:34988 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232724AbhF2LvT (ORCPT ); Tue, 29 Jun 2021 07:51:19 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6D92361D5D; Tue, 29 Jun 2021 11:48:52 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.94.2) (envelope-from ) id 1lyCEV-000SYq-GW; Tue, 29 Jun 2021 07:48:51 -0400 Message-ID: <20210629114851.351873182@goodmis.org> User-Agent: quilt/0.66 Date: Tue, 29 Jun 2021 07:48:14 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , kernel test robot , Daniel Bristot de Oliveira Subject: [for-next][PATCH 3/6] trace/osnoise: Make interval u64 on osnoise_main References: <20210629114811.473560262@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Daniel Bristot de Oliveira kernel test robot reported: >> kernel/trace/trace_osnoise.c:966:3: warning: comparison of distinct pointer types ('typeof ((interval)) *' (aka 'long long *') and 'uint64_t *' (aka 'unsigned long long *')) [-Wcompare-distinct-pointer-types] do_div(interval, USEC_PER_MSEC); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:228:28: note: expanded from macro 'do_div' (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ ~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~ As interval cannot be negative because sample_period >= sample_runtime, making interval u64 on osnoise_main() is enough to fix this problem. Link: https://lkml.kernel.org/r/4ae1e7780563598563de079a3ef6d4d10b5f5546.1624872608.git.bristot@redhat.com Fixes: bce29ac9ce0b ("trace: Add osnoise tracer") Reported-by: kernel test robot Signed-off-by: Daniel Bristot de Oliveira Signed-off-by: Steven Rostedt (VMware) --- kernel/trace/trace_osnoise.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index 9c3109e3ffeb..79be14380581 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -1202,7 +1202,7 @@ static struct cpumask save_cpumask; */ static int osnoise_main(void *data) { - s64 interval; + u64 interval; while (!kthread_should_stop()) { -- 2.30.2