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From: Greg KH <greg@kroah.com>
To: Alan Jenkins <sourcejedi.lkml@googlemail.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>,
	Christoph Hellwig <hch@infradead.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Jan Blunck <jblunck@suse.de>,
	linux-arch@vger.kernel.org, viro@zeniv.linux.org.uk,
	torvalds@osdl.org, akpm@osdl.org, adam@yggdrasil.com
Subject: Re: [PATCH] driver-core: devtmpfs - driver core maintained /dev tmpfs
Date: Sat, 2 May 2009 14:54:34 -0700	[thread overview]
Message-ID: <20090502215434.GB17622@kroah.com> (raw)
In-Reply-To: <9b2b86520905021441r76ba0b73u1ef02b5aa855a02b@mail.gmail.com>

On Sat, May 02, 2009 at 10:41:50PM +0100, Alan Jenkins wrote:
> 
> But is read-only so bad?  You just have to copy it over to a tmpfs and
> then mount that on top of /dev.  That's atomic, so it won't interfere
> with parallel early init.

The copy would not be atomic.

> I sympathize, devtmpfs is a really neat hack that does exactly what
> udev needs.  But you have to admit, it doesn't fit in _quite_ as well
> with the kernel status quo.

I disagree, it mirrors exactly what we are doing today from userspace,
which is quite the "status quo" in that distros have been doing that for
years now :)

thanks,

greg k-h

  reply	other threads:[~2009-05-02 21:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1241097822.2516.3.camel@poy>
2009-05-02  7:16 ` [PATCH] driver-core: devtmpfs - driver core maintained /dev tmpfs Christoph Hellwig
2009-05-02 11:34   ` Kay Sievers
2009-05-02 20:22     ` Alan Jenkins
2009-05-02 21:39       ` Kay Sievers
2009-05-02 22:04         ` Alan Jenkins
2009-05-03  7:29           ` Michael Tokarev
2009-05-02 21:41       ` Alan Jenkins
2009-05-02 21:54         ` Greg KH [this message]
2009-05-02 21:59         ` Kay Sievers
2009-05-02 16:59   ` Jeff Garzik
2009-05-02 17:57     ` Kay Sievers

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