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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1720C433EF for ; Tue, 29 Mar 2022 16:40:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239734AbiC2Qlt (ORCPT ); Tue, 29 Mar 2022 12:41:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55636 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239731AbiC2Qlo (ORCPT ); Tue, 29 Mar 2022 12:41:44 -0400 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 047DFD76E6 for ; Tue, 29 Mar 2022 09:39:57 -0700 (PDT) Received: by mail-pf1-x429.google.com with SMTP id u22so16370937pfg.6 for ; Tue, 29 Mar 2022 09:39:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Zn3k0xfRpBKKjR/NQRBIXL4/yg6sQi2dLv6gXZ5xbYg=; b=pEBReeRd7StGioMrYnVsENfof+Dl/Hnt+YYKqKOonpvKgOta7s5pnN/GpoePEr3dzV iTDedOKV1C7SOsiB5fVmA4H9hQvbYlGOouzFQeSGXl279HA5AaF0E2lp/XtklfWra05y viszAjTq0RL1tmBCB8A+q269HbrowuGlkoeuQswxhpAtiEN8odKvWp1mYS5fkfsiJN4L u+7y29Uh0J2YTTllZqvZHhBS6+S/PzrM3dcjaFds8MBDg+3hn8Rt7zk4TtkU0/7axB2J MzE7CVWeyiYrZ6981phVUeREfpLlvBjdeX+OSCWBCPjgzTNrZtSqduuajVLdux/eGx22 n35g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Zn3k0xfRpBKKjR/NQRBIXL4/yg6sQi2dLv6gXZ5xbYg=; b=PmyRtm9hNHo+1XjiqFAa369tQTIP8FlH0UzBpq/b5NX66xPJ7Kve681YHIEQJ/on3G /U2csAswglbRvp7FW632bU0cXK2cAu9bn2U8bl/2ZzsK9LVeaMLNXfXr9cYI+7Vu+vyX zLCwFRT8IX6gdFFSLpNc15Xjvxhx/1Ht1knm6HAnH5rau/KtQ0Njz0RkgSe2zc99o0MZ TWqpAL1P72QmDluaRTn9OfXwnqmWXTomQGrzMGBxlUIbLWutjPrRBN97jh4dp3DqYUF6 pi8mzKlsjhfmhmQvgSd+xJeyoEgHgPuvPl9AhjXCCrxsSQU0FsIKUtj2KH21Zqhhj4e2 wqPg== X-Gm-Message-State: AOAM530Pne60mOuIjQi3q4+Igj7VKEQUtU3rWxzR77ZG6yVo9LroqsCc 3z6DuMc7/tuors6VUQt7NU/+7HauO38= X-Google-Smtp-Source: ABdhPJy/ExKXSXNUbWFTenDHzvqEUX2aljOKSojax93HUBO9wC6mGlok+/r5Y/5Rv0dL5iYVupU+4g== X-Received: by 2002:a63:7804:0:b0:398:1338:86a with SMTP id t4-20020a637804000000b003981338086amr2608992pgc.575.1648571996465; Tue, 29 Mar 2022 09:39:56 -0700 (PDT) Received: from localhost.localdomain (li567-56.members.linode.com. [192.155.81.56]) by smtp.gmail.com with ESMTPSA id q7-20020a17090a178700b001c97d3614e5sm3382093pja.33.2022.03.29.09.39.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Mar 2022 09:39:55 -0700 (PDT) From: Jeff Xie To: rostedt@goodmis.org Cc: mingo@redhat.com, mhiramat@kernel.org, zanussi@kernel.org, linux-kernel@vger.kernel.org, Jeff Xie Subject: [PATCH 2/3] tracing: make tracepoint_printk_key public Date: Wed, 30 Mar 2022 00:39:30 +0800 Message-Id: <20220329163931.710555-3-xiehuan09@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220329163931.710555-1-xiehuan09@gmail.com> References: <20220329163931.710555-1-xiehuan09@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The syscall tracepoints need tracepoint_printk_key for the tp_printk work. Signed-off-by: Jeff Xie --- kernel/trace/trace.c | 2 +- kernel/trace/trace.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 867f00473f9f..8efee5d339b9 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -88,7 +88,7 @@ void __init disable_tracing_selftest(const char *reason) struct trace_iterator *tracepoint_print_iter; int tracepoint_printk; static bool tracepoint_printk_stop_on_boot __initdata; -static DEFINE_STATIC_KEY_FALSE(tracepoint_printk_key); +DEFINE_STATIC_KEY_FALSE(tracepoint_printk_key); /* For tracers that don't implement custom flags */ static struct tracer_opt dummy_tracer_opt[] = { diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 7ce345699ac2..f44a9510209c 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1524,6 +1524,7 @@ static inline void *event_file_data(struct file *filp) extern struct mutex event_mutex; extern struct list_head ftrace_events; extern spinlock_t tracepoint_iter_lock; +DECLARE_STATIC_KEY_FALSE(tracepoint_printk_key); extern const struct file_operations event_trigger_fops; extern const struct file_operations event_hist_fops; -- 2.25.1