linux/arch/csky/abiv1
Guo Ren 3b756ccddb csky: Fix TLB maintenance synchronization problem
TLB invalidate didn't contain a barrier operation in csky cpu and
we need to prevent previous PTW response after TLB invalidation
instruction. Of cause, the ASID changing also needs to take care
of the issue.

CPU0                    CPU1
===============         ===============
set_pte
sync_is()        ->     See the previous set_pte for all harts
tlbi.vas         ->     Invalidate all harts TLB entry & flush pipeline

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
2021-01-12 09:52:41 +08:00
..
inc/abi csky: Fix TLB maintenance synchronization problem 2021-01-12 09:52:41 +08:00
alignment.c csky: Support kernel non-aligned access 2019-08-20 20:15:44 +08:00
bswapdi.c csky: Library functions 2018-10-26 00:54:24 +08:00
bswapsi.c csky: Library functions 2018-10-26 00:54:24 +08:00
cacheflush.c csky: Fixup 610 vipt cache flush mechanism 2019-08-22 10:44:24 +08:00
Makefile csky: Fixup abiv1 memset error 2019-07-19 14:21:36 +08:00
memcpy.S csky: Library functions 2018-10-26 00:54:24 +08:00
mmap.c csky: Fixup arch_get_unmapped_area() implementation 2019-08-20 16:09:37 +08:00
strksyms.c csky: Fixup abiv1 memset error 2019-07-19 14:21:36 +08:00