>>> On 08.05.15 at 10:28, <roger....@citrix.com> wrote:
> El 07/05/15 a les 17.48, Jan Beulich ha escrit:
>>>>> On 07.05.15 at 16:29, <roger....@citrix.com> wrote:
>>> --- a/xen/arch/x86/mm/paging.c
>>> +++ b/xen/arch/x86/mm/paging.c
>>> @@ -408,6 +408,51 @@ int paging_mfn_is_dirty(struct domain *d, mfn_t gmfn)
>>> return rv;
>>> }
>>>
>>> +static inline void *map_dirty_bitmap(XEN_GUEST_HANDLE_64(uint8)
> dirty_bitmap,
>>> + unsigned long pages,
>>> + struct page_info **page)
>>> +{
>>> + uint32_t pfec = PFEC_page_present | PFEC_write_access;
>>> + unsigned long gfn;
>>> + p2m_type_t p2mt;
>>> +
>>> + gfn = paging_gva_to_gfn(current,
>>> + (paddr_t)(dirty_bitmap.p + (pages >> 3)),
>>
>> Why paddr_t?
>
> Without it I get:
>
> paging.c:421:29: error: passing argument 2 of 'paging_gva_to_gfn' makes
> integer from pointer without a cast [-Werror]
I didn't object to the cast, but to the type used in it: This is a virtual
(guest) address, and the respective function parameter has type
"unsigned long".
Jan
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