From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-2235520-1516298171-2-9549253803202643899 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, 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='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='utf-8' 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=1516298170; b=Mz50hGuH/RFXw1MvNygdYr9X5OLyTwmvUnerH2XSBUl2Vc3 5pR1ZB461icuyhVytqJMifd8KerC1Ha2xbfWcfB9VcsEVYkZMObyV0N6ucAwWTxM PNcRfE3bJT5usL0PNcgGUeAcdYgUlZ1DvVr0r0qixfgZOs2MJ8/W0l3jsUCMRcg+ 99TaY86+nBaqRmMN+gLKnUllN2Ao0uX57GhsEFu33iuffYvyy90UrgqBoLMCaj+U TdqPY0LyjYo2ryvk8m12wULqg341/VvlrMiaov8wzhHjRACbqyo+o8u5U/RVUiAH xWb/KtcstIXaPFEbb80jwix0V6swGS7GwTLgyWA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=message-id:from:to:cc:mime-version :content-transfer-encoding:content-type:references:subject:date :in-reply-to:sender:list-id; s=arctest; t=1516298170; bh=fltbNVZ Tau2Wk9wCloTxsIIMigP5LyQlsc9os1/qYJ8=; b=RVjO79PUhzQ8uZf2bjPic6r fm0X5B5hyX600TLPnuTNSk2GG6YOcUEKo5a4SnGi/XNXAXBGqAAW36/0TwG9FtcH vmSmekh0HIYow2Z6CWlVFfPQJbkqfQtuy2lAgrrn4AUc+20nQRErZHVtSa/CPhg3 xyXPxBrv6Q89jwKGy2X80IUoVZOrOSf2zHkZ7g6u5XsqOdueuGjuNo59fWAvNYcX IvPBfCMBXrtI8fheVmEp4cU8lc+MYoxnE57Hz4Z393XBNeV/eGeKxMifPo4qA0Ea D32nqLsFnbHJ/l6GjNbkaXH7SK/TYQ8q9NqHcZb3VuOT0IGo6CN6SkxfC+XPwsQ= = ARC-Authentication-Results: i=1; mx3.messagingengine.com; arc=none (no signatures found); dkim=fail (body has been altered; 2048-bit rsa key sha256) header.d=messagingengine.com header.i=@messagingengine.com header.b=PUrduqoA x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=fm1; dmarc=none (p=none,has-list-id=yes,d=none) header.from=verbum.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=verbum.org header.result=pass header_is_org_domain=yes Authentication-Results: mx3.messagingengine.com; arc=none (no signatures found); dkim=fail (body has been altered; 2048-bit rsa key sha256) header.d=messagingengine.com header.i=@messagingengine.com header.b=PUrduqoA x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=fm1; dmarc=none (p=none,has-list-id=yes,d=none) header.from=verbum.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=verbum.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932481AbeARRzu (ORCPT ); Thu, 18 Jan 2018 12:55:50 -0500 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:54513 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932237AbeARRzt (ORCPT ); Thu, 18 Jan 2018 12:55:49 -0500 X-ME-Sender: Message-Id: <1516298147.3100407.1240074768.16816EBE@webmail.messagingengine.com> From: Colin Walters To: Jeff Moyer , 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 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" X-Mailer: MessagingEngine.com Webmail Interface - ajax-75de3051 References: <20180117192742.710-1-hch@lst.de> Subject: Re: aio poll, io_pgetevents and a new in-kernel poll API V3 Date: Thu, 18 Jan 2018 12:55:47 -0500 In-Reply-To: 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 Thu, Jan 18, 2018, at 11:44 AM, Jeff Moyer wrote: > Jeff Moyer writes: > > > FYI, this kernel has issues. It will boot up, but I don't have > > networking, and even rebooting doesn't succeed. I'm looking into it. > > A bisect lands on: eventfd: switch to ->poll_mask. That's not super > helpful, though. I did run the ltp eventfd2 tests, and they all pass. FWIW: https://git.gnome.org/browse/glib/commit/?id=3904c8761a60dbadbdfaf98fe23ff19cbdcc4a9a Since that a lot of userspace (including NetworkManager) uses eventfd. I haven't tried this patchset myself but I'd look at what the GLib mainloop is doing.