Re: [PATCH v3 5/8] dm_op: convert HVMOP_modified_memory

[Paul Durrant <Paul.Durrant@citrix.com>]

> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@suse.com]
> Sent: 13 January 2017 11:51
> To: Paul Durrant <Paul.Durrant@citrix.com>
> Cc: Andrew Cooper <Andrew.Cooper3@citrix.com>; Ian Jackson
> <Ian.Jackson@citrix.com>; xen-devel@lists.xenproject.org; Daniel De Graaf
> <dgdegra@tycho.nsa.gov>
> Subject: Re: [PATCH v3 5/8] dm_op: convert HVMOP_modified_memory
> 
> >>> On 12.01.17 at 15:58, <paul.durrant@citrix.com> wrote:
> > v3:
> > - Addressed more comments from Jan.
> 
> I'd have hoped you would extend these earlier comments to other
> applicable places, i.e. for this patch ...
> 
> > +static int modified_memory(struct domain *d, xen_pfn_t *first_pfn,
> > +                           unsigned int *nr)
> > +{
> > +    xen_pfn_t last_pfn = *first_pfn + *nr - 1;
> > +    unsigned int iter;
> > +    int rc;
> > +
> > +    if ( (*first_pfn > last_pfn) ||
> > +         (last_pfn > domain_get_maximum_gpfn(d)) )
> > +        return -EINVAL;
> > +
> > +    if ( !paging_mode_log_dirty(d) )
> > +        return 0;
> > +
> > +    iter = 0;
> > +    rc = 0;
> 
> ... here (these would again better be initializers of the respective
> variables). But anyway, hypervisor parts
> Reviewed-by: Jan Beulich <jbeulich@suse.com>
> 

Ok, I can make the change in v4... just waiting for Andrew's latest opinion on patch #1.

  Paul

> Jan


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