From mboxrd@z Thu Jan 1 00:00:00 1970 From: ebiederm@xmission.com (Eric W. Biederman) Subject: Re: [vfs mnt_set_mountpoint] invalid opcode: 0000 [#1] DEBUG_PAGEALLOC Date: Tue, 19 Aug 2014 20:52:06 -0700 Message-ID: <878umju8bd.fsf@x220.int.ebiederm.org> References: <20140819114738.GB18960@localhost> Mime-Version: 1.0 Content-Type: text/plain Cc: Al Viro , LKP , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org To: Fengguang Wu Return-path: Received: from out01.mta.xmission.com ([166.70.13.231]:59341 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751685AbaHTD4w (ORCPT ); Tue, 19 Aug 2014 23:56:52 -0400 In-Reply-To: <20140819114738.GB18960@localhost> (Fengguang Wu's message of "Tue, 19 Aug 2014 19:47:38 +0800") Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Fengguang Wu writes: > // Fix email address for Eric and add another oops message. > // This commit seem to generate all kinds of oops. My apologies about the email. This patch has taken so long to get somewhere that email address has bit-rotted. > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > commit 89f7ca1af15bdfe7a6aed343032a84af2a69f736 > Author: Eric W. Biederman > AuthorDate: Sun Sep 22 19:37:01 2013 -0700 > Commit: Al Viro > CommitDate: Sun Aug 17 07:02:00 2014 -0400 > > vfs: Keep a list of mounts on a mount point > > To spot any possible problems call BUG if a mountpoint > is put when it's list of mounts is not empty. > > AV: use hlist instead of list_head Hugh Dickins has a fix for an unitialized field he has sent to Stephen Rothwell. > Reviewed-by: Miklos Szeredi > Signed-off-by: Eric W. Biederman > Signed-off-by: Al Viro I expect Al will sort things out when he get home from kernel summit. Eric