diff options
Diffstat (limited to 'arch/xtensa/mm')
| -rw-r--r-- | arch/xtensa/mm/kasan_init.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/xtensa/mm/kasan_init.c b/arch/xtensa/mm/kasan_init.c index 6b95ca43aec0..1734cda6bc4a 100644 --- a/arch/xtensa/mm/kasan_init.c +++ b/arch/xtensa/mm/kasan_init.c @@ -24,12 +24,13 @@ void __init kasan_early_init(void) int i; for (i = 0; i < PTRS_PER_PTE; ++i) - set_pte(kasan_zero_pte + i, - mk_pte(virt_to_page(kasan_zero_page), PAGE_KERNEL)); + set_pte(kasan_early_shadow_pte + i, + mk_pte(virt_to_page(kasan_early_shadow_page), + PAGE_KERNEL)); for (vaddr = 0; vaddr < KASAN_SHADOW_SIZE; vaddr += PMD_SIZE, ++pmd) { BUG_ON(!pmd_none(*pmd)); - set_pmd(pmd, __pmd((unsigned long)kasan_zero_pte)); + set_pmd(pmd, __pmd((unsigned long)kasan_early_shadow_pte)); } early_trap_init(); } @@ -80,13 +81,16 @@ void __init kasan_init(void) populate(kasan_mem_to_shadow((void *)VMALLOC_START), kasan_mem_to_shadow((void *)XCHAL_KSEG_BYPASS_VADDR)); - /* Write protect kasan_zero_page and zero-initialize it again. */ + /* + * Write protect kasan_early_shadow_page and zero-initialize it again. + */ for (i = 0; i < PTRS_PER_PTE; ++i) - set_pte(kasan_zero_pte + i, - mk_pte(virt_to_page(kasan_zero_page), PAGE_KERNEL_RO)); + set_pte(kasan_early_shadow_pte + i, + mk_pte(virt_to_page(kasan_early_shadow_page), + PAGE_KERNEL_RO)); local_flush_tlb_all(); - memset(kasan_zero_page, 0, PAGE_SIZE); + memset(kasan_early_shadow_page, 0, PAGE_SIZE); /* At this point kasan is fully initialized. Enable error messages. */ current->kasan_depth = 0; |