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Re: [Xen-devel] [PATCH v8 08/24] x86: refactor psr: set value: implement framework.



On 17-03-08 09:07:10, Jan Beulich wrote:
[...]
> >  /* Called with domain lock held, no extra lock needed for 'psr_cos_ids' */
> >  static void psr_free_cos(struct domain *d)
> >  {
> > -    if( !d->arch.psr_cos_ids )
> > +    unsigned int socket, cos;
> > +
> > +    if ( !d->arch.psr_cos_ids )
> >          return;
> 
> As in an earlier patch I've asked for this check to be removed, I
> think you will need to add a check on socket_info to be non-
> NULL somewhere in this function.
> 
d->arch.psr_cos_ids is used in the loop below. Shall I not check it?
 
> > +    for ( socket = 0; socket < nr_sockets; socket++ )
> > +    {
> > +        struct psr_socket_info *info;
> > +
> > +        /* cos 0 is default one which does not need be handled. */
> > +        if ( (cos = d->arch.psr_cos_ids[socket]) == 0 )
Here.

> > +            continue;
> > +

BRs,
Sun Yi

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