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=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 C101FC2B9F4 for ; Fri, 25 Jun 2021 21:56:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9782C6194B for ; Fri, 25 Jun 2021 21:56:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229907AbhFYV60 (ORCPT ); Fri, 25 Jun 2021 17:58:26 -0400 Received: from mail-pg1-f170.google.com ([209.85.215.170]:46912 "EHLO mail-pg1-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229531AbhFYV60 (ORCPT ); Fri, 25 Jun 2021 17:58:26 -0400 Received: by mail-pg1-f170.google.com with SMTP id w15so4732499pgk.13; Fri, 25 Jun 2021 14:56:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=COkBtu1DRhiaP0VAr6IF4em+cKZJHXcKly1cODZLhlU=; b=E2qXIbpbfSiZzo016OGLYvv+gB2DJ1xp6xKujSqzct07fSJX3GEMRO7v3G3/Lu0aiu 3Nl8HpK5GQNg/Stxux/U5GYhOAyZ6KzQ7AZuw+zKcRghQSaKwVWNsgRvFv9tvQQMqjEb zwdMKacCiIun2hgEZmZYjCHBr3PyszJnW+vTShSs3fNF8/YovbxVAxrvQZMu095v7u/n K1YFlBzl83ytrDreG3Tg6utR676nuA3SWP1mz+mJgvEyn7X7Bw4L3+l0/TOrJFwxE9pO cUZ3qJ4Cfr0s7RW2jCagnl1SfkwxsUuxroxIAuQLPCC03LG8kreutZ7sT5TOjtPE+L3/ 1gmw== X-Gm-Message-State: AOAM533jmlMZRq7b/8D4q3s59SG6+M7i7pg81kK0jaQ/3AMPiBwTe3MG STo8E+ybSWcWV/g0KuBTzNI= X-Google-Smtp-Source: ABdhPJysJnt068twgh+M6kfI/lanpHpG9o2CTZadWdqX2+ccdXUp7CnEuUaVxvgXa6bu00QvpLZkkg== X-Received: by 2002:a63:d74c:: with SMTP id w12mr3194280pgi.91.1624658163667; Fri, 25 Jun 2021 14:56:03 -0700 (PDT) Received: from garbanzo ([191.96.121.71]) by smtp.gmail.com with ESMTPSA id h1sm11760433pji.14.2021.06.25.14.56.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Jun 2021 14:56:02 -0700 (PDT) Date: Fri, 25 Jun 2021 14:55:58 -0700 From: Luis Chamberlain To: Greg KH Cc: rafael@kernel.org, davem@davemloft.net, kuba@kernel.org, ast@kernel.org, andriin@fb.com, daniel@iogearbox.net, atenart@kernel.org, alobakin@pm.me, weiwan@google.com, ap420073@gmail.com, jeyu@kernel.org, ngupta@vflare.org, sergey.senozhatsky.work@gmail.com, minchan@kernel.org, axboe@kernel.dk, mbenes@suse.com, jpoimboe@redhat.com, tglx@linutronix.de, keescook@chromium.org, jikos@kernel.org, rostedt@goodmis.org, peterz@infradead.org, linux-block@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4] sysfs: fix kobject refcount to address races with kobject removal Message-ID: <20210625215558.xn4a24ts26bdyfzo@garbanzo> References: <20210623215007.862787-1-mcgrof@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Thu, Jun 24, 2021 at 01:09:03PM +0200, Greg KH wrote: > thanks for making this change and sticking with it! > > Oh, and with this change, does your modprobe/rmmod crazy test now work? It does but I wrote a test_syfs driver and I believe I see an issue with this. I'll debug a bit more and see what it was, and I'll then also use the driver to demo the issue more clearly, and then verification can be an easy selftest test. Luis