linux-kernel - Re: [PATCH V10 05/14] xen/pvh: balloon and grant changes.

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Message-ID: <20131213154722.GA7214@phenom.dumpdata.com>
Date:	Fri, 13 Dec 2013 10:47:22 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	Konrad Rzeszutek Wilk <konrad@...nel.org>,
	xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
	george.dunlap@...citrix.com, ian.jackson@...citrix.com,
	mukesh.rathor@...cle.com, tim@....org, jbeulich@...e.com,
	boris.ostrovsky@...cle.com, david.vrabel@...rix.com,
	Wei Liu <wei.liu2@...rix.com>
Subject: Re: [PATCH V10 05/14] xen/pvh: balloon and grant changes.

> > > > > These changes to balloon.c are similar to my patch but:
> > > > > 
> > > > > - they don't prevent set_phys_to_machine from being called by
> > > > > increase_reservation for auto_translated guests
> > > > 
> > > > <nods>
> > > > > 
> > > > > - they don't prevent wasteful balloon_scratch_page from being allocated
> > > > > for auto_translated guests
> > > > 
> > > > <nods>
> > > > > 
> > > > > I think that it would be best to take my patch instead.
> > > > 
> > > > Lets focus the review on your patch then and have it part of this
> > > > series. 
> > > 
> > > OK, but keep in mind that Xen on ARMv8 is currently broken without that
> > > patch.
> > 
> > Hm. We could have another patch to just disable BALLOON on ARMv8 :-)
> > 
> > The question you have to ask - if your patch causes regression are you
> > OK tracking/fixing it over the holidays :-) If yes, then yes - we can
> > put that in v3.13-rc3 to make it work properly on ARMv8.
> 
> Damn, that was a good argument.
> After thinking more about it, I think that I, or a member of my team,
> can actually fix possible bugs during the holidays. Especially
> considering that the patch doesn't alter the behavior of PV guests.
> 
> So in short, yes :)

Great <evil laughther>! Could you repost it with the description changes?
Or if you OK with the changes I had proposed - just tell me "yes" and I will
alter it.

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