From: Ingo Molnar <mingo@elte.hu>
To: Arjan van de Ven <arjan@infradead.org>, neilb@suse.de
Cc: linux-kernel@vger.kernel.org, neilb@suse.de, davej@redhat.com
Subject: Re: [PATCH] raid: make RAID autodetect default a KConfig option
Date: Mon, 22 Sep 2008 10:27:28 +0200 [thread overview]
Message-ID: <20080922082728.GB6601@elte.hu> (raw)
In-Reply-To: <20080921154541.371f2ebe@infradead.org>
* 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
next prev parent reply other threads:[~2008-09-22 8:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-21 22:45 [PATCH] raid: make RAID autodetect default a KConfig option Arjan van de Ven
2008-09-22 8:27 ` Ingo Molnar [this message]
2008-09-23 3:45 ` Neil Brown
2008-09-23 3:58 ` Arjan van de Ven
2008-09-23 9:15 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2008-09-23 15:37 Alan Jenkins
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