BUG: crash in __tlb_remove_page_size with STRICT_KERNEL_RWX on BOOK3S_32

[christophe leroy]

Le 26/04/2019 à 19:07, Segher Boessenkool a écrit :
> On Fri, Apr 26, 2019 at 05:38:50PM +0300, Serge Belyshev wrote:
>> ---[ Instruction Block Address Translation ]---
>> 0: 0xc0000000-0xc07fffff 0x00000000 Kernel EXEC coherent
>> 1: 0xc0800000-0xc087ffff 0x00800000 Kernel EXEC coherent
>> 2:         -
>> 3:         -
>> 4:         -
>> 5:         -
>> 6:         -
>> 7:         -
>>
>> ---[ Data Block Address Translation ]---
>> 0: 0xc0000000-0xc07fffff 0x00000000 Kernel RO coherent
>> 1: 0xc0800000-0xc0bfffff 0x00800000 Kernel RO coherent
>> 2: 0xc0c00000-0xc13fffff 0x00c00000 Kernel RW coherent
>> 3: 0xc1400000-0xc23fffff 0x01400000 Kernel RW coherent
>> 4: 0xc2400000-0xc43fffff 0x02400000 Kernel RW coherent
>> 5: 0xc4400000-0xc83fffff 0x04400000 Kernel RW coherent
>> 6: 0xc8400000-0xd03fffff 0x08400000 Kernel RW coherent
>> 7: 0xd0400000-0xe03fffff 0x10400000 Kernel RW coherent
> 
> The starting address of a BAT block is always aligned to the block size.
> All of DBAT2..DBAT7 are wrong?
> 

Obviously function block_size() returns a wrong result, I'll try and fix 
that early next week.

Christophe

---
L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel antivirus Avast.
https://www.avast.com/antivirus