From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3618868-1521623479-2-13769533329903448960 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='us-ascii' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: linux-api-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1521623479; b=P14yDHK8bCaXoPo65vPV1FV1Si6EqaDZNOSF8bS9dSihak3 pK/LrwnWbYo1WW1hVwTBp0LSrgjK/QLVlF68qB1mFJRdd1h6iSVdD6qC9hZEUlku v3IMSpGPOP9FwlkuJ+IaYmJgmqT0utKRXO8IjS6RMittPsKYQC663EBXAiZF5Nyn wGJk0AJRIRK8aJAjLi99NERNZRM4wU/UHBJACXKQgRZHt77yhvbHlc+MMmOq0eF6 3Cph/lxWvj9VKJ37NfSxNB0rLzvGjN9Wr07D6QDj/XC4QWjc57OaG32xAya/VlTY 3ISJrB+ykqcAXBLvca6MO2deRaslxOQZdxZyrNg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to:sender :list-id; s=arctest; t=1521623479; bh=yIuqHE+YDYf9rGnEde8je6nLOr q1e7mcfAP+Fwd8rGM=; b=vFCazHufVTBkK4lfT+CEMqdeiBj3ph9+46R5+CJF4P k4H+pOUU9OCQvvjZ+EwifssTt6M0vVDtVI/fD3R6/8Ffti84XtHXbxhcVC/e95kQ +2dzmr2DNgBZJQGOoIFfmG8UWDtk4Pu3Nl+zJuTs+6q0fi1Yn0dzLGUDOJV7pkY+ 4UrfFFmODKzWpOqOUcVog0Iorkmq5iR34Q+BAhMc1IjCjQel+WUzmdsFZ/X/wFz8 rKRVU+KyUtLAlQ4GMctWq4HTa55zwayHQjgY2fw41RPSqBXX5xG8dRFu5We3Z1iW BFfQrJurq4d+d/mFh3qERE/z2IlBLndJMMlCS5W4dClA== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-api-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-api-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751799AbeCUJKy (ORCPT ); Wed, 21 Mar 2018 05:10:54 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:33382 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751633AbeCUJKu (ORCPT ); Wed, 21 Mar 2018 05:10:50 -0400 Date: Wed, 21 Mar 2018 10:10:47 +0100 From: Greg KH To: Christoph Hellwig Cc: viro@zeniv.linux.org.uk, Avi Kivity , linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 28/28] random: convert to ->poll_mask Message-ID: <20180321091047.GG14085@kroah.com> References: <20180321074032.14211-1-hch@lst.de> <20180321074032.14211-29-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180321074032.14211-29-hch@lst.de> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-api-owner@vger.kernel.org X-Mailing-List: linux-api@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Wed, Mar 21, 2018 at 08:40:32AM +0100, Christoph Hellwig wrote: > The big change is that random_read_wait and random_write_wait are merged > into a single waitqueue that uses keyed wakeups. Because wait_event_* > doesn't know about that this will lead to occassional spurious wakeups > in _random_read and add_hwgenerator_randomness, but wait_event_* is > designed to handle these and were are not in a a hot path there. > > Signed-off-by: Christoph Hellwig > --- > drivers/char/random.c | 27 +++++++++++++++------------ > 1 file changed, 15 insertions(+), 12 deletions(-) Reviewed-by: Greg Kroah-Hartman