Make sure that writes to kernel page table during KASAN vmalloc initialization are made visible by adding a sfence.vma.
Signed-off-by: Alexandre Ghiti <[email protected]> Reviewed-by: Palmer Dabbelt <[email protected]> --- arch/riscv/mm/kasan_init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c index 1b968855d389..57bf4ae09361 100644 --- a/arch/riscv/mm/kasan_init.c +++ b/arch/riscv/mm/kasan_init.c @@ -187,6 +187,8 @@ void __init kasan_shallow_populate(void *start, void *end) } vaddr += PAGE_SIZE; } + + local_flush_tlb_all(); } void __init kasan_init(void) -- 2.20.1
