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Date: Tue, 14 Jun 2011 23:16:33 +0300
From: Felipe Balbi <balbi@ti.com>
Subject: Re: generate one module from multiple object files (was: Re: [PATCH
 2/2] usb: gadget: convert all users to the new udc)
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To: Alan Stern <stern@rowland.harvard.edu>
Cc: Felipe Balbi <balbi@ti.com>, Arnaud Lacombe <lacombar@gmail.com>, Michal Nazarewicz <mina86@mina86.com>, Sebastian Andrzej Siewior <bigeasy@linutronix.de>, Greg KH <greg@kroah.com>, Linux USB Mailing List <linux-usb@vger.kernel.org>, linux-kbuild@vger.kernel.org


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Hi,

On Tue, Jun 14, 2011 at 04:01:29PM -0400, Alan Stern wrote:
> Consider usbcore as an example.  Grepping through drivers/usb/core/*.c,
> you'll see there are init routines in devio.c, inode.c, and usb.c. =20
> These files are all compiled separately.  Yet they are linked into a
> single object module, usbcore.ko, and the init sections work out just
> fine.
>=20
> In short, I don't see what's wrong with separate compilation. =20
> Apparently the only problem David found was that it increased the size=20
> of the final driver by 42 bytes.  Is that really worth worrying about?

probably not... But Greg initiated the discussion. It was something
related with always recompiling the same objects or something. I really
don't recall.

--=20
balbi

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