Jan Kiszka wrote:
> Gilles Chanteperdrix wrote:
>> Jan Kiszka wrote:
>>> Gilles Chanteperdrix wrote:
>>>> Jan Kiszka wrote:
>>>>> Gilles Chanteperdrix wrote:
>>>>>> Jan Kiszka wrote:
>>>>>>> BUG_ON(pgd_page_vaddr(*pgd) !=
>>>>>>> pgd_page_vaddr(*pgd_ref));
>>>> Ok. Maybe printing pgd_page_vaddr(*pgd) and pgd_page_vaddr(*pgd_ref)
>>>> would help ?
>>> I don't see yet where you want to go. As I said, the issue is rare. I
>>> rather think we need to approach it theoretically.
>> Well the bug happens when the two virtual addresses are different (so, I
>> do not think my original remark applies). So, I want to see what the two
>> addresses look like, for instance if they are not 0 or ~0.
>
> OK, will forward the request.
Ok. Something else: x86_32 and vmalloc_sync_all use spinlock_irqsave,
so, maybe __ipipe_pin_range_globally should use irqsave as well ?
--
Gilles.
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