diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-06-29 11:15:24 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-07-27 00:01:30 +1000 |
| commit | f1a1f7a15eb0e13b84791ff2738b84e414501718 (patch) | |
| tree | 5a4a119ebf15112cca2c5256f72e751c1d75f41d /arch/powerpc/mm | |
| parent | b6be1bb7f7216b9e9f33f57abe6e3290c0e66bd4 (diff) | |
powerpc/32s: Kernel space starts at TASK_SIZE
Kernel space starts at TASK_SIZE. Select kernel page table
when address is over TASK_SIZE.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/893425e32cd0a003539573b2d115e0ffa98bc26c.1593428200.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/book3s32/hash_low.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/book3s32/hash_low.S b/arch/powerpc/mm/book3s32/hash_low.S index 923ad8f374eb..1690d369688b 100644 --- a/arch/powerpc/mm/book3s32/hash_low.S +++ b/arch/powerpc/mm/book3s32/hash_low.S @@ -62,7 +62,7 @@ _GLOBAL(hash_page) isync #endif /* Get PTE (linux-style) and check access */ - lis r0,KERNELBASE@h /* check if kernel address */ + lis r0, TASK_SIZE@h /* check if kernel address */ cmplw 0,r4,r0 ori r3,r3,_PAGE_USER|_PAGE_PRESENT /* test low addresses as user */ mfspr r5, SPRN_SPRG_PGDIR /* phys page-table root */ |