diff options
| author |   Nicholas Piggin <npiggin@gmail.com> | 2021-01-30 23:08:15 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-02-09 00:02:08 +1100 |
| commit | a4922f5442e7e6ce85da304e224d940edec2f1fb (patch) | |
| tree | e66d67c74cd372f72142ddf7c148504ebd5470ef /arch/powerpc/include/asm/book3s/64 | |
| parent | powerpc/64s: move DABR match out of handle_page_fault (diff) | |
| download | linux-dev-a4922f5442e7e6ce85da304e224d940edec2f1fb.tar.xz linux-dev-a4922f5442e7e6ce85da304e224d940edec2f1fb.zip | |
powerpc/64s: move the hash fault handling logic to C
The fault handling still has some complex logic particularly around
hash table handling, in asm. Implement most of this in C.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-6-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/mmu-hash.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h index f911bdb68d8b..1aa68094ad29 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h @@ -456,6 +456,7 @@ static inline unsigned long hpt_hash(unsigned long vpn, long hpte_insert_repeating(unsigned long hash, unsigned long vpn, unsigned long pa, unsigned long rlags, unsigned long vflags, int psize, int ssize); +int do_hash_fault(struct pt_regs *regs, unsigned long ea, unsigned long dsisr); extern int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid, pte_t *ptep, unsigned long trap, unsigned long flags, int ssize, int subpage_prot); |