RE: [PATCH 0/4] hv_balloon: fixes for num_pages_onlined accounting and misc improvements

[Haiyang Zhang]

> -----Original Message-----
> From: Vitaly Kuznetsov [mailto:vkuznets@xxxxxxxxxx]
> Sent: Tuesday, November 28, 2017 8:30 AM
> To: Alex Ng <alexng@xxxxxxxxxxxxx>; KY Srinivasan <kys@xxxxxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx; Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>;
> Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>; Dexuan Cui
> <decui@xxxxxxxxxxxxx>; devel@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH 0/4] hv_balloon: fixes for num_pages_onlined
> accounting and misc improvements
> 
> Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> writes:
> 
> > While doing routing code review I noticed that commit 6df8d9aaf3af
> > ("Drivers: hv: balloon: Correctly update onlined page count")
> > introduced an issue with num_pages_onlined accounting on memory
> > offlining. Deeper look showed that the accounting was always buggy. This is
> fixed in PATCH3.
> > PATCHes 1 and 2 are preparatory cleanups, PATCH4 adds a tracepoint to
> > post_status so it's now possible to see what's being sent to the host
> > and where the data comes from.
> >
> 
> K. Y., Alex,
> 
> did you have a chance to take a look?
> 
> Thanks,
> 
> --
>   Vitaly

Dexuan, 

Maybe, you can take a look? Thanks.