Re: [PATCH] arm64/mm: skip hwasan callbacks for pgtable walker

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

[PATCH] arm64/mm: skip hwasan callbacks for pgtable walker

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