Re: [RFC][PATCH] init: Open /dev/console from rootfs

From: H. Peter Anvin
Date: Wed Mar 03 2010 - 15:07:42 EST

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.

:) :)


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