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 X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9192CA9EAF for ; Thu, 24 Oct 2019 13:15:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B3A020659 for ; Thu, 24 Oct 2019 13:15:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="j7YKjbvj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2502473AbfJXNPA (ORCPT ); Thu, 24 Oct 2019 09:15:00 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:45050 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2502438AbfJXNPA (ORCPT ); Thu, 24 Oct 2019 09:15:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Jr+KH6TpggeektbjDpZIF11RXPqlwCVR55VLMJFPOz8=; b=j7YKjbvjp/ypi4i4koJ318A42 d4C0/CCa01kd9EjOIu9zw0/atJE16DTEyTp45ZSWBNSWlc0g+z2PyF+/6pzkSAY3WRUdm70WN7mSz 6me42ElrJoWnV27r1xOSBoHPRQg+jeTOQnmVigwvcGJFgO6JkCrEqEFayteNfRbb5OLE4e8yx1BIg bzrmoJ/4AaVJi0vB5CE5jYkuBHOj+j1m41vxDZc0BS7HPtIdD6fVgsSUy5igabNFG7bt7Pt1bEJ4A gbX86oq8hvlyHJy0RibiCU0XNgLI3amTKX1KHXyIj1x9ony+LGASM8qFYMOp7tGg+6mAV8XNOaTik deajIeL1g==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1iNcx6-0005MS-Mb; Thu, 24 Oct 2019 13:14:56 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id A53C3300489; Thu, 24 Oct 2019 15:13:55 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 0CF8B2B1C8A31; Thu, 24 Oct 2019 15:14:54 +0200 (CEST) Date: Thu, 24 Oct 2019 15:14:54 +0200 From: Peter Zijlstra To: David Howells Cc: torvalds@linux-foundation.org, Rasmus Villemoes , Greg Kroah-Hartman , nicolas.dichtel@6wind.com, raven@themaw.net, Christian Brauner , keyrings@vger.kernel.org, linux-usb@vger.kernel.org, linux-block@vger.kernel.org, linux-security-module@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 00/10] pipe: Notification queue preparation [ver #2] Message-ID: <20191024131454.GB4114@hirez.programming.kicks-ass.net> References: <157186182463.3995.13922458878706311997.stgit@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <157186182463.3995.13922458878706311997.stgit@warthog.procyon.org.uk> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 23, 2019 at 09:17:04PM +0100, David Howells wrote: > (1) It removes the nr_exclusive argument from __wake_up_sync_key() as this > is always 1. This prepares for step 2. > > (2) Adds wake_up_interruptible_sync_poll_locked() so that poll can be > woken up from a function that's holding the poll waitqueue spinlock. > include/linux/wait.h | 11 +- > kernel/sched/wait.c | 37 ++++-- > Acked-by: Peter Zijlstra (Intel)