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[209.132.180.67]) by mx.google.com with ESMTP id u9si8340562pgm.167.2019.09.07.16.16.52; Sat, 07 Sep 2019 16:17:07 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393416AbfIFTlk convert rfc822-to-8bit (ORCPT + 99 others); Fri, 6 Sep 2019 15:41:40 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38758 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393397AbfIFTlk (ORCPT ); Fri, 6 Sep 2019 15:41:40 -0400 Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DF746C050CD3 for ; Fri, 6 Sep 2019 19:41:39 +0000 (UTC) Received: by mail-wr1-f69.google.com with SMTP id o11so2975732wrq.22 for ; Fri, 06 Sep 2019 12:41:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=52DIK7NJqgCF0lriDxmYd5biSt16yJkilPd+S1AphLw=; b=fIFVMOoZ793OON1OnO1FXSQMMTjiud4rP2ifxQxaZKTU96wnUDhM17ORzrtogytaDP 2RVeGaL/wTAQYuFz11zeLUeYBkxzIc8c5gihlmuW7VYbsiO/QkQU9JakaSV19n96003K 9V4wHxiogQgDxTViNTnHyMFuMzhKh5C2TI8HbUdIfqOyWv6oKlNLLlBvYTpuQv57z13X It6b4ruEICcskoItdSdFx/+P5jabXK6aOIkn65lVt4lX3AYl0AOPiT3ogaOubZpRaqlG JpmivVH/4UmEKXP4bMAD2dx3vKLDLzbv8dEnu1c3UhA1TR8NPhHP5RCJjPNR6oOViske uQyw== X-Gm-Message-State: APjAAAXYhXYgX/wxuJ3wPIk1aQBpa3QMQiz2iGvUiei4GuDeSmfqD+Wq Bqn5Gq5HGyhitLT2FRZG5O0vUv6f2JKLxSvzoGLWhS7RpVw0/5tSHIRphNlRySvKEVD4wwcKZTl MaQLs8Ro8yrmjvMDtaD/rbVdnWcM+s4Fn5mhXEsJi X-Received: by 2002:a05:600c:21d1:: with SMTP id x17mr7889437wmj.123.1567798898421; Fri, 06 Sep 2019 12:41:38 -0700 (PDT) X-Received: by 2002:a05:600c:21d1:: with SMTP id x17mr7889420wmj.123.1567798898173; Fri, 06 Sep 2019 12:41:38 -0700 (PDT) MIME-Version: 1.0 References: <156763534546.18676.3530557439501101639.stgit@warthog.procyon.org.uk> <17703.1567702907@warthog.procyon.org.uk> In-Reply-To: From: Ray Strode Date: Fri, 6 Sep 2019 15:41:01 -0400 Message-ID: Subject: Re: Why add the general notification queue and its sources To: Linus Torvalds Cc: David Howells , Greg Kroah-Hartman , Steven Whitehouse , Nicolas Dichtel , raven@themaw.net, keyrings@vger.kernel.org, linux-usb@vger.kernel.org, linux-block , Christian Brauner , LSM List , linux-fsdevel , Linux API , Linux List Kernel Mailing , Al Viro , "Ray, Debarshi" , Robbie Harwood Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Fri, Sep 6, 2019 at 3:32 PM Ray Strode wrote: > of course, one advantage of having the tickets kernel side is nfs could > in theory access them directly, rather than up calling back to userspace... No, that's not true actually, it's still going to need to go to userspace to do hairy context setup i guess... so ???? dunno.