On 6/28/22 6:26 PM, Michael Ellerman wrote:
> "Aneesh Kumar K.V" writes:
>> With commit ffa0b64e3be5 ("powerpc: Fix virt_addr_valid() for 64-bit Book3E
>> & 32-bit")
>> the kernel now validate the addr against high_memory value. This results
>> in the below BUG_ON with dax pfns.
>>
>> [
"Aneesh Kumar K.V" writes:
> With commit ffa0b64e3be5 ("powerpc: Fix virt_addr_valid() for 64-bit Book3E &
> 32-bit")
> the kernel now validate the addr against high_memory value. This results
> in the below BUG_ON with dax pfns.
>
> [ 635.798741][T26531] kernel BUG at mm/page_alloc.c:5521!
>
With commit ffa0b64e3be5 ("powerpc: Fix virt_addr_valid() for 64-bit Book3E &
32-bit")
the kernel now validate the addr against high_memory value. This results
in the below BUG_ON with dax pfns.
[ 635.798741][T26531] kernel BUG at mm/page_alloc.c:5521!
1:mon> e
cpu 0x1: Vector: 700 (Program