On Mon, 2019-12-23 at 06:03:51 UTC, Alexey Kardashevskiy wrote:
> The last jump to free_exit in mm_iommu_do_alloc() happens after page
> pointers in struct mm_iommu_table_group_mem_t were already converted to
> physical addresses. Thus calling put_page() on these physical addresses
> will likely
Alexey Kardashevskiy writes:
> On 24/12/2019 10:32, Alexey Kardashevskiy wrote:
...
>>
>> I could rearrange the code even more but since there is no NVLink3
>> coming ever, I'd avoid changing it more than necessary. Thanks,
>
> Repost? Rework?
I'll just take v3.
cheers
On 24/12/2019 10:32, Alexey Kardashevskiy wrote:
>
>
> On 23/12/2019 22:18, Michael Ellerman wrote:
>> Alexey Kardashevskiy writes:
>>
>>> The last jump to free_exit in mm_iommu_do_alloc() happens after page
>>> pointers in struct mm_iommu_table_group_mem_t were already converted to
>>>
On 23/12/2019 22:18, Michael Ellerman wrote:
> Alexey Kardashevskiy writes:
>
>> The last jump to free_exit in mm_iommu_do_alloc() happens after page
>> pointers in struct mm_iommu_table_group_mem_t were already converted to
>> physical addresses. Thus calling put_page() on these physical
Alexey Kardashevskiy writes:
> The last jump to free_exit in mm_iommu_do_alloc() happens after page
> pointers in struct mm_iommu_table_group_mem_t were already converted to
> physical addresses. Thus calling put_page() on these physical addresses
> will likely crash.
>
> This moves the loop
The last jump to free_exit in mm_iommu_do_alloc() happens after page
pointers in struct mm_iommu_table_group_mem_t were already converted to
physical addresses. Thus calling put_page() on these physical addresses
will likely crash.
This moves the loop which calculates the pageshift and converts
