very common kernel modules slow down the boot process
Dave Jones
davej at redhat.com
Wed Apr 2 06:52:09 UTC 2008
<dropped kernel-maint from cc. That's the default bug assignee,
which is somewhat strange to cc>
On Wed, Apr 02, 2008 at 02:41:58AM -0400, Chris Snook wrote:
> It also makes it much more difficult to troubleshoot those subsystems or
> work around their quirks. I wouldn't have a problem with ext3, jbd, or
> dm_* being built-in, but anything that deals with hardware should really
> be modular. Of course, that wipes out most of your list.
>
> I'd really rather focus on optimizing modprobe than sacrificing the many
> benefits of modularity for a very small performance boost.
There's another reason why usb hcd's were proposed to be built-ins.
We may get to use usb-serial for logging boot messages if we do so.
(and also build-in the relevant usb-serial modules).
given the absense of serial ports on a lot of modern machines, this
may prove to be useful.
Dave
--
http://www.codemonkey.org.uk
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