Unverified Commit 9484e2ae authored by Alexandre Ghiti's avatar Alexandre Ghiti Committed by Palmer Dabbelt
Browse files

riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization 



Instead of hardcoding memory initialization to 0, use KASAN_SHADOW_INIT.

Signed-off-by: default avatarAlexandre Ghiti <alex@ghiti.fr>
Signed-off-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
parent 7899ed26

arch/riscv/mm/kasan_init.c

+2 −2
Original line number Diff line number Diff line
@@ -93,7 +93,7 @@ static void __init populate(void *start, void *end) 
				__pgprot(_PAGE_TABLE)));



	local_flush_tlb_all();

	memset(start, 0, end - start);

	memset(start, KASAN_SHADOW_INIT, end - start);

}



void __init kasan_shallow_populate(void *start, void *end)
@@ -163,6 +163,6 @@ void __init kasan_init(void) 
			       __pgprot(_PAGE_PRESENT | _PAGE_READ |

					_PAGE_ACCESSED)));



	memset(kasan_early_shadow_page, 0, PAGE_SIZE);

	memset(kasan_early_shadow_page, KASAN_SHADOW_INIT, PAGE_SIZE);

	init_task.kasan_depth = 0;

}