Received: by 2002:a05:6602:18e:0:0:0:0 with SMTP id m14csp647847ioo;
        Sat, 21 May 2022 09:38:15 -0700 (PDT)
X-Google-Smtp-Source: ABdhPJwK7mpMsuvoUKESXcDj7lmNuElHJFLBnM+mIoSFlTobJfES3hz4CrCmvEESWaXPVCGiX+iw
X-Received: by 2002:a17:903:2285:b0:161:c7ed:38f2 with SMTP id b5-20020a170903228500b00161c7ed38f2mr14986187plh.49.1653151094972;
        Sat, 21 May 2022 09:38:14 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1653151094; cv=none;
        d=google.com; s=arc-20160816;
        b=FjziYET847BBOYO6z39rIJqa57WhK+T1BsONXHbwps0oiJwaxhMDIvE5Bx+XvtqHeP
         ksKDqOtpRbvtoTLcuwmUp78qmZmkqbazFEAfphvDKBHJqko/Jj6E7ytPrHfn0VKHo1T7
         wO+yKuHl90iw7VBnpNMZBFo5oudiTDJQPFt7GDULPoaj+vwq1z68T3gmPUvgxpuf/CCG
         7UTr80qY+h/eOi4we2lOimPU7tVQOMVsDR1ui3jOtAoxZxq3qZ7HviypboLpIcIyUGa+
         P0OonUWwj8DjS5vNRu016ba2/E6sgtuGm8bcEvYfrrBNpCIZjCZn6EKlRkSRM37cexYi
         7Thw==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:sender:in-reply-to:content-disposition
         :mime-version:references:message-id:subject:cc:to:from:date
         :dkim-signature;
        bh=ehVMITfWWxJmdo2ASElDh6XJDw4Fkh4XfUM62ffKTG0=;
        b=DVoDU2tNtWe61cZPTgWyaQqLNC37su679oHHhccF4X1epOSvgQ4/LB7e02AzrSGclR
         JU1sBKWf+5QiImcDW1l0XsFgE/jxR8a48m2BK0GQQPNRj47l7X3n1EkfCffRdAS2gbb1
         qf5ZxSy0qIvX31mcnlgeM6+EAJNYUA1qIog77F9sC+u/jV6N53+RaRlL/j08I+HJwd/Y
         L2HhFNdqSyK9Kbqefd+WGkyYQw23pF5z1WANNwhTOIKgInZZ8NFCdlc3BSxSrXn19PdO
         oBATJH/OszJnChJncY7wkY8eSw1KM4jrXLr/+u3HyW0S/q7Bx0tRQtcyVaS7bSy9235I
         MxyA==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@linux.org.uk header.s=zeniv-20220401 header.b=FFdrqF4R;
       spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org;
       dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=zeniv.linux.org.uk
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20])
        by mx.google.com with ESMTP id v18-20020a056a00149200b0050d56648bf0si7548404pfu.66.2022.05.21.09.37.55;
        Sat, 21 May 2022 09:38:14 -0700 (PDT)
Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Authentication-Results: mx.google.com;
       dkim=pass header.i=@linux.org.uk header.s=zeniv-20220401 header.b=FFdrqF4R;
       spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org;
       dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=zeniv.linux.org.uk
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1351095AbiETPrv (ORCPT <rfc822;tarbal@gmail.com> + 99 others);
        Fri, 20 May 2022 11:47:51 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47702 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1351093AbiETPro (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Fri, 20 May 2022 11:47:44 -0400
Received: from zeniv-ca.linux.org.uk (zeniv-ca.linux.org.uk [IPv6:2607:5300:60:148a::1])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 014EA2D1E1
        for <linux-kernel@vger.kernel.org>; Fri, 20 May 2022 08:47:43 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;
        d=linux.org.uk; s=zeniv-20220401; h=Sender:In-Reply-To:Content-Type:
        MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To:
        Content-Transfer-Encoding:Content-ID:Content-Description;
        bh=ehVMITfWWxJmdo2ASElDh6XJDw4Fkh4XfUM62ffKTG0=; b=FFdrqF4RXRsORo3JVB01x3gNul
        1dGTnHHdMpq5uKimd9K9oaERKXzbSiChFO55EfNUxJ4pzdUk+5zQgFze5zp6SBYdyv1j5l0IGmn61
        mFqzn51lWwPu1VIvFQMq/Pc6iVSHEAADOGN2K36Tl6HemmZQhmzhyJDdNjsfcSlgKNT5XJPwhsf07
        AU8Fc2HeJg3liVWqaDbscHr58nXSyiah/wm7n2+xSnljI+MsLCItoLnKTWFJLmgsbeK2FipOLAdk1
        00386d6/mPVvNgtzbLIzhRFePwuKol8Gkf+faQbJZiwWF3qbJnYBvD+OVzrBBb3wUWEIVnjZDmEP/
        x53TrJtA==;
Received: from viro by zeniv-ca.linux.org.uk with local (Exim 4.94.2 #2 (Red Hat Linux))
        id 1ns4qq-00GdRb-9j; Fri, 20 May 2022 15:47:40 +0000
Date:   Fri, 20 May 2022 15:47:40 +0000
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     Jens Axboe <axboe@kernel.dk>
Cc:     "Jason A. Donenfeld" <Jason@zx2c4.com>,
        Theodore Ts'o <tytso@mit.edu>, Christoph Hellwig <hch@lst.de>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 0/3] random: convert to using iters, for Al Viro
Message-ID: <Yoe4HP9iTA6l/For@zeniv-ca.linux.org.uk>
References: <20220520094459.116240-1-Jason@zx2c4.com>
 <Yoey+FOYO69lS5qP@zx2c4.com>
 <bbdeeca7-9c99-e661-6596-f04ea783a30b@kernel.dk>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <bbdeeca7-9c99-e661-6596-f04ea783a30b@kernel.dk>
Sender: Al Viro <viro@ftp.linux.org.uk>
X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE,
        T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Fri, May 20, 2022 at 09:34:46AM -0600, Jens Axboe wrote:

> I'm very sure, otherwise we're just accepting that we're breaking real
> world applications.

"Breaking" as in "it used to work with earlier kernels, doesn't work with
recent ones"?  Details, please...