Received: by 2002:a05:6a10:1287:0:0:0:0 with SMTP id d7csp3563573pxv; Mon, 26 Jul 2021 06:58:09 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxQW+ycZhHr4lknp45bdyRX4MbJLIeoAMPOK+6rsrnEZCMca5RPubFNXIl52axVGBwVBnxG X-Received: by 2002:a92:cb4d:: with SMTP id f13mr13797212ilq.57.1627307889490; Mon, 26 Jul 2021 06:58:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1627307889; cv=none; d=google.com; s=arc-20160816; b=hRxJObgHbbv9s8fv1MxZzht0wNakfel+B3lCQ7zH4TCDBk+ruSzz0B5oEkYxzLF7u2 bvelhWBK7w3Zmi+GrTgD/GJ6/sJDUFz9SNjYZ5xP3gGBvMSByvF+Q69x0JLtdEzfeSAq BgKKPm9rnLeBwDrnHBLDWAzDh+PlOeoOublN551+QOCbSZfsk7vLcgxEYuiqreJkyunW UoF0E18wCH106D0uzbvW9ontE+g0Tcl05gKk1ORfZarZa1h/DbGflejvx+UviYtF7xz2 txYx5RG/yDEn++xb53f9eC9hNDDE0MrZAou2wiuBgPpCiHlreY2/gUrOG4FZ9ECmM9CM fT3Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:feedback-id:content-transfer-encoding :mime-version:message-id:date:subject:cc:to:from; bh=Gsd5iZ6dAIM6ZqzcJcfAvQlev+oMWx3EEZn0DgwHdF8=; b=UvWdhijoFzTYv0xhCEffcJaeXMw+5hhzzlgxamaL2GaUCoh2gRhtxI1JKOpbPpuy+6 ohHokAZHi9h8n8gMUFL3N1hXO9lE6mjj0KFIgKsmNL9dRsCWbf1vg90BFkGxyLzQw8JC ZX1UwEDcXcrNGAL4o7LBXAae5+cvFj3tIVgPims2RmgkAfijG1t0ZGCgXVQjPdA34rMr jA53Kx+7IZqnAD4gu0QacbQWQBReI4k4f65lhzqHVE3JznDmntPtvgtRNJBl7l3buczU Be1fyVdiWVtcTlBeMrSjWil0Sb+3qc0MR9aT/jVGaHbDNiB3JcC/UHG39WNIYQ868EV1 hVHw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d187si31023iog.56.2021.07.26.06.57.58; Mon, 26 Jul 2021 06:58:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233787AbhGZNQP (ORCPT + 99 others); Mon, 26 Jul 2021 09:16:15 -0400 Received: from smtpbg128.qq.com ([106.55.201.39]:65269 "EHLO smtpbg587.qq.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230421AbhGZNQN (ORCPT ); Mon, 26 Jul 2021 09:16:13 -0400 X-QQ-mid: bizesmtp34t1627307797tmqz1b8g Received: from ficus.lan (unknown [171.223.99.141]) by esmtp6.qq.com (ESMTP) with id ; Mon, 26 Jul 2021 21:56:36 +0800 (CST) X-QQ-SSF: 0100000000200090B000C00A0000000 X-QQ-FEAT: WxvWionyWT6QKTrHhJM38Ng4bznx34znBiAWssqtHTpWYf0L5tr2q8X5gZAqa 8RXDBfaMFJu2QfBLLdRgkseNZgJ/z3UjYyvsiYRg6qjL+Q3ZbCqZ36O/JjC3oHlIwN+LF4o mCsMWAOKn7nqghr/VRkXvA/WqJVInJ+tx8+lvMIyaXRb/FYn0BwP8p0nd+6Rbb+r3kb7oha 73LqsLNHcRPUAAlV8BkTWhq2PunCNOLgxFLO7AAwaH7W1NTCpzP4QwZDvZASiIzYfXiRkVH ir9eiyZaD+TRyW1wQcc2Ht+NpWbwPziyZk2+SyCpCdtoLBp05b//SfJ17IZMs5RysK+Q3K2 391DuI/aitpDeb6nKQ= X-QQ-GoodBg: 0 From: Jason Wang To: rostedt@goodmis.org Cc: mingo@redhat.com, linux-kernel@vger.kernel.org, Jason Wang Subject: [PATCH] tracing: use WARN_ONCE Date: Mon, 26 Jul 2021 21:56:35 +0800 Message-Id: <20210726135635.143285-1-wangborong@cdjrlc.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:cdjrlc.com:qybgspam:qybgspam5 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org printk + WARN_ON_ONCE can be just WARN_ONCE. Signed-off-by: Jason Wang --- kernel/trace/trace_output.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index a0bf446bb034..c06726b6d8b4 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -1574,9 +1574,8 @@ __init static int init_events(void) ret = register_trace_event(event); if (!ret) { - printk(KERN_WARNING "event %d failed to register\n", - event->type); - WARN_ON_ONCE(1); + WARN_ONCE(1, "event %d failed to register\n", + event->type); } } -- 2.32.0