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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Adrian Ratiu <adrian.ratiu@collabora.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	kernel@collabora.com, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 0/1] Initialize debugfs/ksysfs earlier?
Date: Fri, 4 Jun 2021 14:56:51 +0200	[thread overview]
Message-ID: <YLojEy3wjq2R8Zsa@kroah.com> (raw)
In-Reply-To: <87y2bqwwfz.fsf@collabora.com>

On Thu, Jun 03, 2021 at 11:00:00PM +0300, Adrian Ratiu wrote:
> Hi and thank you for the quick response!
> 
> On Thu, 03 Jun 2021, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
> > On Thu, Jun 03, 2021 at 03:55:33PM +0300, Adrian Ratiu wrote:
> > > Hi Greg & all,  I would like to add a new debugfs file like in the
> > > next patch but I'm having a problem with commit 56348560d495
> > > ("debugfs: do not attempt to create a new file before the filesystem
> > > is initalized").
> > 
> > You should have had a problem before that commit happened as well,
> > right?
> > 
> 
> Actually no, it works without problems before commit 56348560d495 and also
> works if I revert that commit or move the debugfs_init() and its dependency
> ksysfs_init() before the driver core init.

And the file shows up properly?  How can that be?  Is it ok to create a
file before the superblock is created in the system?  For some reason I
thought these were just silently failing and no one noticed.  Maybe we
should revisit that commit...

thanks,

greg k-h

  reply	other threads:[~2021-06-04 12:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-03 12:55 [RFC PATCH 0/1] Initialize debugfs/ksysfs earlier? Adrian Ratiu
2021-06-03 12:55 ` [RFC PATCH 1/1] drivers: base: Expose probe failures via debugfs Adrian Ratiu
2021-06-03 13:16   ` Greg Kroah-Hartman
2021-06-03 20:00     ` Adrian Ratiu
2021-06-04 12:58       ` Greg Kroah-Hartman
2021-06-03 13:13 ` [RFC PATCH 0/1] Initialize debugfs/ksysfs earlier? Greg Kroah-Hartman
2021-06-03 20:00   ` Adrian Ratiu
2021-06-04 12:56     ` Greg Kroah-Hartman [this message]
2021-06-04 16:06       ` Adrian Ratiu

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