On Fri, Feb 15, 2019 at 11:47:35PM -0500, Qian Cai wrote:
> Page table walkers trigger soft lockups below with KASAN_SW_TAGS outline
> mode on a large ThunderX2 system, because there is too much overhead to
> call check_memory_region() for every memory access where it needs to
> dereference every b
Page table walkers trigger soft lockups below with KASAN_SW_TAGS outline
mode on a large ThunderX2 system, because there is too much overhead to
call check_memory_region() for every memory access where it needs to
dereference every byte of the corresponding KASAN shadow address for the
correct tag.
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