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

2017-11-29 Thread Dexuan Cui 
> -Original Message-
> From: Haiyang Zhang
> Sent: Wednesday, November 29, 2017 16:55
> > -Original Message-
> > From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
> > Vitaly Kuznetsov  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.

Sure. I'll take a look.

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

2017-11-29 Thread Haiyang Zhang 


> -Original Message-
> From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
> Sent: Tuesday, November 28, 2017 8:30 AM
> To: Alex Ng <ale...@microsoft.com>; KY Srinivasan <k...@microsoft.com>
> Cc: linux-ker...@vger.kernel.org; Haiyang Zhang <haiya...@microsoft.com>;
> Stephen Hemminger <sthem...@microsoft.com>; Dexuan Cui
> <de...@microsoft.com>; de...@linuxdriverproject.org
> Subject: Re: [PATCH 0/4] hv_balloon: fixes for num_pages_onlined
> accounting and misc improvements
> 
> Vitaly Kuznetsov <vkuzn...@redhat.com> 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.

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

2017-11-28 Thread Vitaly Kuznetsov 
Vitaly Kuznetsov  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
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