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Re: [Qemu-devel] [PATCH 0/3] add usb_detach and usb_attach (v3)


From: Alon Levy
Subject: Re: [Qemu-devel] [PATCH 0/3] add usb_detach and usb_attach (v3)
Date: Thu, 11 Nov 2010 19:01:19 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Thu, Nov 11, 2010 at 04:03:14PM +0100, Markus Armbruster wrote:
[snip]
> Agree.
> 
> Summary so far:
> 
> 1. usb_{attach,detach} looks like yet another special-purpose command
>    where a general command would make sense, namely
>    device_{attach,detach}.  We have a few of those, e.g. usb_add
>    vs. device_add.  I'd prefer not to add more, as far as practical.
> 
> 2. We need chardev_add and chardev_del sooner rather than later.
> 
> 3. Automatic deletion of host devices (character, block, net) gets in
>    the way[*].  We need a way to suppress it.
> 
> 4. If we have 2. and 3., we don't need 1.
> 
> Fair?
Yes.

> 
> 
> [*] Funny coincidence: I just read Neil Brown's essay on the conflated
> design anti-pattern, http://lwn.net/Articles/412131/



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