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[2620:137:e000::1:20]) by mx.google.com with ESMTP id i7-20020a170902c94700b001769e71398csi2195134pla.340.2022.10.27.08.03.57; Thu, 27 Oct 2022 08:04:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=GRt8WmOO; dkim=neutral (no key) header.i=@linutronix.de; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234920AbiJ0Ojz (ORCPT + 99 others); Thu, 27 Oct 2022 10:39:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235489AbiJ0Ojw (ORCPT ); Thu, 27 Oct 2022 10:39:52 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED42F58525; Thu, 27 Oct 2022 07:39:51 -0700 (PDT) From: John Ogness DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1666881588; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=jbxARsfRC6v5A83uXW6hh52ECqe0nM8Oe/dP4o5OVDQ=; b=GRt8WmOOYTVQYQdbVvUO9ozbKobBIHsAqnsxffGe0aRtNiCGayoW0HpSWWOur4SwiLVKq0 WDvOhVKRp9+oBG7ma8og9hKAK97tI6S0rJZEG0xjyj6KKsAyEl/nQZbMSSMSTU1NkB3C7O SSfDlaakqotzDdEQwyRYjdHRzH+4/L5k0dzEDBKAMUSmPJOJasznQX/VTXNh+asURWOxkX m3bzyXH28+zubtQ3JJEIWGp8MkCT64bnonogoy5WzYE3E++MEPjsYP36tN1/cIABHJzV3Z qwVKYvUBwBD3Px2ZeRyiONVLeW1eSXRHJM95fUoHsBYzW2OHkpDc6K51STgudw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1666881588; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=jbxARsfRC6v5A83uXW6hh52ECqe0nM8Oe/dP4o5OVDQ=; b=RRC4iqdInwglcGXrHzMsTN+Tp1Aj4twNF78GnyK14oGdgK5t4Wlzn/4bprc5cM+75jPget TrVUU0ytp+519qAg== To: paulmck@kernel.org Cc: Frederic Weisbecker , rcu@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com, rostedt@goodmis.org, tglx@linutronix.de, pmladek@suse.com Subject: Re: [PATCH v2 rcu 0/8] NMI-safe SRCU reader API In-Reply-To: <20221027141045.GX5600@paulmck-ThinkPad-P17-Gen-1> References: <20221018215721.GA1716567@paulmck-ThinkPad-P17-Gen-1> <87pmeoawwe.fsf@jogness.linutronix.de> <20221019191418.GF5600@paulmck-ThinkPad-P17-Gen-1> <20221019220537.GA1234896@lothringen> <20221020222718.GA5600@paulmck-ThinkPad-P17-Gen-1> <87r0z1gy51.fsf@jogness.linutronix.de> <20221021184152.GO5600@paulmck-ThinkPad-P17-Gen-1> <87y1t5zqzz.fsf@jogness.linutronix.de> <20221024134727.GV5600@paulmck-ThinkPad-P17-Gen-1> <874jvpehod.fsf@jogness.linutronix.de> <20221027141045.GX5600@paulmck-ThinkPad-P17-Gen-1> Date: Thu, 27 Oct 2022 16:45:47 +0206 Message-ID: <87sfj9couk.fsf@jogness.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-3.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,INVALID_DATE_TZ_ABSURD, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-10-27, "Paul E. McKenney" wrote: > The warning is claiming that this srcu_struct was passed to > srcu_read_lock() at some point and is now being passed to > srcu_read_lock_nmisafe(). Indeed, I found some code that was not using my wrappers. Thanks. Living proof that it was a good idea to add the checks. ;-) John