Re: [PATCH] raid: make RAID autodetect default a KConfig option

Ingo Molnar
2008-09-22T08:27:56Z

* Arjan van de Ven <arjan@infradead.org> wrote:

> From 812bf9a448d96375a3aec5c51764d74cace85abb Mon Sep 17 00:00:00 2001
> From: Arjan van de Ven <arjan@linux.intel.com>
> Date: Sun, 21 Sep 2008 15:44:32 -0700
> Subject: [PATCH] raid: make RAID autodetect default a KConfig option
>
> RAID autodetect has the side effect of requiring synchronisation of
> all device drivers, which can make the boot several seconds longer
> (I've measured 7 on one of my laptops).... even for systems that don't
> have RAID setup for the root filesystem (the only FS where this
> matters).
>
> This patch makes the default for autodetect a config option; either
> way the user can always override via the kernel command line.

Neil, if you agree with this patch, could you please send your Acked-by
line? This patch depends on a clean-up in init/do_mounts_md.c that is in
the fastboot tree so it would be logistically easier/better if we could
queue this up towards upstream via tip/fastboot.

Ingo