From: "H. Peter Anvin" <hpa@zytor.com>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
linux-kernel@vger.kernel.org, Kay Sievers <kay.sievers@vrfy.org>,
Greg Kroah-Hartman <gregkh@suse.de>,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [RFC][PATCH] init: Open /dev/console from rootfs
Date: Wed, 03 Mar 2010 12:07:15 -0800 [thread overview]
Message-ID: <4B8EC173.6010300@zytor.com> (raw)
In-Reply-To: <20100303195716.GT30031@ZenIV.linux.org.uk>
On 03/03/2010 11:57 AM, Al Viro wrote:
> On Tue, Mar 02, 2010 at 11:53:19PM -0800, Eric W. Biederman wrote:
>>
>> To avoid potential problems with an empty /dev open /dev/console
>> from rootfs instead of waiting to mount our root filesystem and
>> mounting it there. This effectively guarantees that there will
>> be a device node, and it won't be on a filesystem that we will
>> ever unmount, so there are no issues with leaving /dev/console
>> open and pinning the filesystem.
>>
>> This is actually more effective than automatically mounting
>> devtmpfs on /dev because it removes removes the occasionally
>> problematic assumption that /dev/console exists from the boot
>> code.
>
> Hell, yeah. Applied, with thanks.
:) :)
-hpa
prev parent reply other threads:[~2010-03-03 20:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-03 7:53 Eric W. Biederman
2010-03-03 8:35 ` H. Peter Anvin
2010-03-03 19:57 ` Al Viro
2010-03-03 20:07 ` H. Peter Anvin [this message]
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