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[23.128.96.18]) by mx.google.com with ESMTP id 12si11457481ilx.115.2021.09.13.23.48.20; Mon, 13 Sep 2021 23:48:31 -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; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=pIkyPjf9; 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 S240246AbhINGsV (ORCPT + 99 others); Tue, 14 Sep 2021 02:48:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239015AbhINGsT (ORCPT ); Tue, 14 Sep 2021 02:48:19 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3127AC061574 for ; Mon, 13 Sep 2021 23:47:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=9ZO60xPfR/5kWP62g09zkdcNbotpPgXXz+Skh0BtYgc=; b=pIkyPjf992AX+tJJpT9IP31WB4 ZEU5sLR9wyeNdpksPxkQE5BygsU0j5xTegoYA9uhFGlKzN+0g7tSypTXEVp3A/Y7N/9gTK41kL9mW oR+14UjXfW0BCJZnKBNUl69U0c2Idbn/VhKQ36P/Ht63zSv2k45SIXgwIYIvZhF2n0xcoObfH2UME rFeL0JffyaX9sXXQ+NNE18t1g/YmoMd3q14IbvCOhAi5d+6jiMrZDugvcWPbzSal+kt2j0v9uOlxa ZGBoAxzG0XJPjbQ4CiLSjg8WOzQo4BBXy20qEp8jiogdVH3JiEynLbkc/dbLhEvymxigyzrd7xfvZ IsHIBPaQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mQ2Br-00ELtR-13; Tue, 14 Sep 2021 06:45:20 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 92EF6300129; Tue, 14 Sep 2021 08:45:08 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 7942B2C44FF70; Tue, 14 Sep 2021 08:45:08 +0200 (CEST) Date: Tue, 14 Sep 2021 08:45:08 +0200 From: Peter Zijlstra To: Thomas Gleixner Cc: boqun.feng@gmail.com, linux-kernel@vger.kernel.org, Ingo Molnar , Juri Lelli , Steven Rostedt , Davidlohr Bueso , Will Deacon , Waiman Long , Sebastian Andrzej Siewior , Mike Galbraith , Daniel Bristot de Oliveira Subject: Re: [PATCH 1/4] sched/wakeup: Strengthen current_save_and_set_rtlock_wait_state() Message-ID: References: <20210909105915.757320973@infradead.org> <20210909110203.767330253@infradead.org> <871r5sf7s1.ffs@tglx> <87pmtcdr6a.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87pmtcdr6a.ffs@tglx> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 14, 2021 at 12:52:29AM +0200, Thomas Gleixner wrote: > On Tue, Sep 14 2021 at 00:08, Thomas Gleixner wrote: > If your reasoning would be correct, then set_special_state() would be > broken as well. I've dropped the patch.