On 25/04/2025 12:37 pm, Oleksii Kurochko wrote:
>
>
> On 4/25/25 1:24 PM, Andrew Cooper wrote:
>> From: Shawn Anastasio <[email protected]>
>>
>> Signed-off-by: Shawn Anastasio <[email protected]>
>> ---
>> CC: Jan Beulich <[email protected]>
>> CC: Roger Pau Monné <[email protected]>
>> CC: Stefano Stabellini <[email protected]>
>> CC: Julien Grall <[email protected]>
>> CC: Volodymyr Babchuk <[email protected]>
>> CC: Bertrand Marquis <[email protected]>
>> CC: Michal Orzel <[email protected]>
>> CC: Oleksii Kurochko <[email protected]>
>> CC: Shawn Anastasio <[email protected]>
>>
>> Possibly not for taking on it's own (might be better with the PPC
>> implemenation of map_pages_to_xen()).
>>
>> Nevertheless, this patch alone now does trip:
>>
>>   diff --git a/xen/common/vmap.c b/xen/common/vmap.c
>>   index d6991421f3f7..9552806dba39 100644
>>   --- a/xen/common/vmap.c
>>   +++ b/xen/common/vmap.c
>>   @@ -228,6 +228,8 @@ void *__vmap(const mfn_t *mfn, unsigned int 
>> granularity,
>>        void *va = vm_alloc(nr * granularity, align, type);
>>        unsigned long cur = (unsigned long)va;
>>
>>   +    BUILD_BUG_ON(sizeof(pte_attr_t) != 4);
>>   +
> Could you please clarify what kind of changes should done in the case if 
> sizeof(pte_attr_t) == 8 (unsigned long)?

Nothing.  This is simply to demonstrate that __has_include() is working,
and is making PPC different to all the other architectures.

~Andrew.

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