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 E318BC433F5 for ; Thu, 6 Oct 2022 10:07:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230464AbiJFKHl (ORCPT ); Thu, 6 Oct 2022 06:07:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229665AbiJFKHj (ORCPT ); Thu, 6 Oct 2022 06:07:39 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78B5F2E6AB for ; Thu, 6 Oct 2022 03:07:38 -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=IRFKKFfGjKSiTQ/3UYoPOnI3CZ6GteQ0lj3QjnHUH00=; b=ECYTTWjoD1Oyrixz7rI8VBEBxu /xPREE0ttqt2vVr/oThDOVsvCmcTmsSrn6Xv3CFHTXaQyuVzOa7iORnzTdQfkOpfejHEFfF/WxreE mn2sFEMdBLvPqX+y69JmhiaoVLYgxyI6b7vf4qptu1O5yVUtvOPRYj8w3y50ajdarIx+/GAZmLMT7 gi+3Jani6pKYhVIOfP+APLVNw/DjBKOSdAFVxVF7iSEZAentco59vPN7Lk/IFU5hegLZUo1NwVgGW PHQlbJJqVE4GKc5jfWm7e8sW5tKzded4i7hUtFrCrB6OuugoZCnzsWtnTfR4pSGSVIEN4DKQe9cfA iHuZMl7w==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1ogNme-0013bf-2O; Thu, 06 Oct 2022 10:07:18 +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 (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 8D4AD30007E; Thu, 6 Oct 2022 12:07:10 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 61536205FDD2D; Thu, 6 Oct 2022 12:07:10 +0200 (CEST) Date: Thu, 6 Oct 2022 12:07:10 +0200 From: Peter Zijlstra To: Juri Lelli Cc: Connor O'Brien , linux-kernel@vger.kernel.org, kernel-team@android.com, John Stultz , Joel Fernandes , Qais Yousef , Ingo Molnar , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Will Deacon , Waiman Long , Boqun Feng , "Paul E . McKenney" Subject: Re: [RFC PATCH 00/11] Reviving the Proxy Execution Series Message-ID: References: <20221003214501.2050087-1-connoro@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 06, 2022 at 11:59:31AM +0200, Juri Lelli wrote: > I think another fundamental question I'm not sure we spent much time on > yet is how to deal with rtmutexes. Delete them ;-) If PE works, they have no value left.