linux-kernel - Re: Kernel modules compilation

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Message-ID: <7fedbc910707271552x71010f82o8455c17b21f80eab@mail.gmail.com>
Date:	Sat, 28 Jul 2007 00:52:22 +0200
From:	shacky <shacky83@...il.com>
To:	"Jesper Juhl" <jesper.juhl@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: Kernel modules compilation

> Symbol: USB [=y]
> Prompt: Support for Host-side USB
>   Defined at drivers/usb/Kconfig:51
>   Depends on: USB_SUPPORT && USB_ARCH_HAS_HCD
>   Location:
>     -> Device Drivers
>       -> USB support (USB_SUPPORT [=y])

Could you tell me how you found them, please?

> Hint: In menuconfig, type "/" to search.

Thank you very much!

> Not really. Your distribution could be loading a ton of modules that
> you don't really need. 'lsmod' will just show you what is currently
> loaded, but that that doesn't necessarily mean that all those modules
> are really needed.

Ok, how I can know what modules are needed and what not? Only knowing
the hardware of my system?

Another question please, what the symbol "---" near a kernel
configuration entry in menuconfig means? This entry is activated (with
* or M) or not?
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