From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC13B34107A; Wed, 18 Mar 2026 20:31:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773865917; cv=none; b=TprXrjKLGNAk7vquije8u7cvrXW23SPAd2EJoJLHzaYMynxhrDxdbvjt2oTX9gbt4rvVAbfq6TxPJQuq8XuOVY7JdhaDez0GHCNROG/Gp9T9queHG8cM5Z4qHfHYdVYZA2NWKhgWoAZNKbE133Ae7GRej1oGoscnIrYaWdEcqP8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773865917; c=relaxed/simple; bh=L48YxCBRFBUHgSIONhXGqZZogdN/dB8EGsYmaGe/1Z4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HBeNuz/GaADVqQSTBO/0W6ZdiHAIxz64OiiT9hG3lrUJ4CYe7fanqoRtNgK2EGISTxGd3+fh1ymC/iS/sQqmRRU0yk7H0LmDIU2lecFm3Ihks9oZ7LFjaujho2+D8BLQh2Lmfn41owlEs7WYrNBOX8uA+KJLmw3Mq+ACrvd10iE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=qTjgz8aa; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="qTjgz8aa" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=iFv0eB50YxPtgOftcDIgKmlYnR+IGHhVlEdBLAfAdTU=; b=qTjgz8aaSZDU2Cf6AD+alWKRaH DGlO9hiD0Qzi/XQMSbG19ye0JqUOcVZu7UA2vuNsbkC/oMfKAmCgY23M8o21S/P1VxrPkFHwaPD5Q 5W7Ud/TGSTsJYGht9cr7QovINy2At51+LB8WoyCZlm73KzbJvmKyBfX2M2wydt/dUWW7qCrziLoIs FjSG+30QUyTY3oms769n0vrHwxCRp7IBndkeR7UrgjMMw6FLvCGKjZw+AZ6XSOVEFk3c6F3aRx9bG LgFqy6/JSuD0GzUvxPxeKlLIt8MQWXEQPODum9UJI5y1qhQ3Mn6p3RZhrJhVXbWIelgdxiqLr/AIg 2yhc+6YA==; Received: from 2001-1c00-8d85-5700-266e-96ff-fe07-7dcc.cable.dynamic.v6.ziggo.nl ([2001:1c00:8d85:5700:266e:96ff:fe07:7dcc] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1w2xYW-00000004yaf-4AQU; Wed, 18 Mar 2026 20:31:53 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 641BC3004F8; Wed, 18 Mar 2026 21:31:52 +0100 (CET) Date: Wed, 18 Mar 2026 21:31:52 +0100 From: Peter Zijlstra To: Andrei Vagin Cc: linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org, syzbot+3d2ff92c67127d337463@syzkaller.appspotmail.com, x86@kernel.org, Waiman Long Subject: Re: [tip: locking/core] locking/rwsem: Fix logic error in rwsem_del_waiter() Message-ID: <20260318203152.GM3738010@noisy.programming.kicks-ass.net> References: <20260314182607.3343346-1-avagin@google.com> <177382097549.1647592.8219974128268935080.tip-bot2@tip-bot2> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Mar 18, 2026 at 09:49:17AM -0700, Andrei Vagin wrote: > On Wed, Mar 18, 2026 at 1:02 AM tip-bot2 for Andrei Vagin > wrote: > > > > The following commit has been merged into the locking/core branch of tip: > > Peter, Waiman sent another version of this fix: > https://lkml.org/lkml/2026/3/17/2474 > I think we need to consider taking that one instead of this one. I don't see why that's better. And I already had this in the queue and through the robots.