linux-kernel - Re: [RFC PATCH 32/33] Add the Xen virtual network device driver.

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Date:	Tue, 18 Jul 2006 14:09:50 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	David Miller <davem@...emloft.net>
Cc:	chrisw@...s-sol.org, linux-kernel@...r.kernel.org,
	virtualization@...ts.osdl.org, xen-devel@...ts.xensource.com,
	jeremy@...p.org, ak@...e.de, akpm@...l.org, rusty@...tcorp.com.au,
	zach@...are.com, ian.pratt@...source.com,
	Christian.Limpach@...cam.ac.uk, netdev@...r.kernel.org
Subject: Re: [RFC PATCH 32/33] Add the Xen virtual network device driver.

* David Miller (davem@...emloft.net) wrote:
> From: Chris Wright <chrisw@...s-sol.org>
> Date: Tue, 18 Jul 2006 00:00:32 -0700
> 
> > +#ifdef CONFIG_XEN_BALLOON
> > +#include <xen/balloon.h>
> > +#endif
> 
> Let's put the ifdefs in xen/balloon.h not in the files
> including it.
> 
> > +#ifdef CONFIG_XEN_BALLOON
> > +	/* Tell the ballon driver what is going on. */
> > +	balloon_update_driver_allowance(i);
> > +#endif
> 
> Similarly let's define empty do-nothing functions in
> xen/balloon.h when the config option isn't set so we
> don't need to crap up the C sources with these ifdefs.

Yeah, sorry it's kept more as a reminder to me.  Upstream Xen doesn't do
this, but this patchset doesn't support ballooning yet, so there just is
not xen/balloon.h in the set.  When merging with upstream Xen there's
patch rejects either way, so I agree, better to just drop this since
it's just future placeholder.

thanks,
-chris
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