misc/157903: automated kldload for USB class devices

Warner Losh imp at bsdimp.com
Fri Jun 24 17:30:21 UTC 2011

The following reply was made to PR conf/157903; it has been noted by GNATS.

From: Warner Losh <imp at bsdimp.com>
To: Hans Petter Selasky <hselasky at c2i.net>
Cc: Robert Millan <rmh at debian.org>, freebsd-hackers at FreeBSD.org,
        freebsd-bugs at FreeBSD.org, FreeBSD-gnats-submit at FreeBSD.org,
        freebsd-usb at FreeBSD.org, freebsd-current at FreeBSD.org
Subject: Re: misc/157903: automated kldload for USB class devices
Date: Fri, 24 Jun 2011 11:21:05 -0600

 On Jun 24, 2011, at 7:11 AM, Hans Petter Selasky wrote:
 > On Friday 24 June 2011 14:59:37 Robert Millan wrote:
 >> 2011/6/24 Hans Petter Selasky <hselasky at c2i.net>:
 >>>> Very nice.  But why not use variable names instead of hardcoding
 >>>> numbers? It makes the output much easier to understand.
 >>> To save memory.
 >> I haven't inspected devd code, but I was under the assumption that
 >> variables only lived untill resolved.  What would be the point of =
 >> them in memory after devd has finished parsing the config files?
 > Hi,
 > I haven't checked that, though if you want the readable version, then =
 you need=20
 > to check the source code.
 > However I could add some code to print a vendor ID comment, based on =
 devd keeps them in memory and expands them when the commands are =
 executed.  It will use more memory and be slower if you have lots of =
 variables.  Now much more memory and how much slower?  I kinda doubt =
 you'd notice on modern gear.

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