Re: [Xen-devel] [PATCH 6/8] x86/EPT: force re?evaluation of memory type as necessary

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 26.03.14 at 18:18, <andreslc@xxxxxxxxxxxxxx> wrote:
>> +void p2m_memory_type_changed(struct domain *d)
>> +{
>> +    struct p2m_domain *p2m = p2m_get_hostp2m(d);
>> +
>> +    if ( p2m->memory_type_changed )
>> +    {
>> +        p2m_lock(p2m);
>> +        p2m->memory_type_changed(p2m);
> I don't see the memory_type_changed function pointer for p2m-pt.c.
> 
> It might not be needed immediately, but it's a little land-mine waiting to be 
> NULL-dereferenced.

Not sure what you're trying to tell me here - the deref is in an if()
checking the pointer to be non-NULL.

Jan


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