linux-kernel - Re: [RFC PATCH 0/6] module, kbuild: Faster boot with custom kernel.

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Message-Id: <200902170921.56789.rusty@rustcorp.com.au>
Date:	Tue, 17 Feb 2009 09:21:56 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Andreas Robinson <andr345@...il.com>
Cc:	sam@...nborg.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/6] module, kbuild: Faster boot with custom kernel.

On Monday 16 February 2009 04:50:22 Andreas Robinson wrote:
> Hi guys,
> 
> as you know, systems with custom kernels boot faster, since they don't
> need an initramfs or have to install modules. But, building a custom
> kernel it is not really practical if you are releasing a distro, for
> example.

Hi Andreas,

  This isn't crazy.  But you'd need to benchmark against the minimal
userspace solution: a binary with all the modules built into
it which calls sys_init_module on each one, then does the root swizzle
or whatever.

I think you'd find the difference to be in the noise.

Thanks,
Rusty.
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