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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-21 12:21:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-21 12:21:53 +0300
commit05df6ab8eba625a1d97eb67ee06d786b8e460685 (patch)
tree7fed59b7f49fd8d816475ca6b20c95c7f837ca6f /arch/riscv/mm/kasan_init.c
parent1d926e259d8f8195fdfaeea7951149001894b473 (diff)
parenteb7081409f94a9a8608593d0fb63a1aa3d6f95d8 (diff)
downloadlinux-05df6ab8eba625a1d97eb67ee06d786b8e460685.tar.xz
Merge 6.1-rc6 into driver-core-next
We need the kernfs changes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/riscv/mm/kasan_init.c')
-rw-r--r--arch/riscv/mm/kasan_init.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index a22e418dbd82..e1226709490f 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -113,6 +113,8 @@ static void __init kasan_populate_pud(pgd_t *pgd,
base_pud = pt_ops.get_pud_virt(pfn_to_phys(_pgd_pfn(*pgd)));
} else if (pgd_none(*pgd)) {
base_pud = memblock_alloc(PTRS_PER_PUD * sizeof(pud_t), PAGE_SIZE);
+ memcpy(base_pud, (void *)kasan_early_shadow_pud,
+ sizeof(pud_t) * PTRS_PER_PUD);
} else {
base_pud = (pud_t *)pgd_page_vaddr(*pgd);
if (base_pud == lm_alias(kasan_early_shadow_pud)) {
@@ -173,8 +175,11 @@ static void __init kasan_populate_p4d(pgd_t *pgd,
base_p4d = pt_ops.get_p4d_virt(pfn_to_phys(_pgd_pfn(*pgd)));
} else {
base_p4d = (p4d_t *)pgd_page_vaddr(*pgd);
- if (base_p4d == lm_alias(kasan_early_shadow_p4d))
+ if (base_p4d == lm_alias(kasan_early_shadow_p4d)) {
base_p4d = memblock_alloc(PTRS_PER_PUD * sizeof(p4d_t), PAGE_SIZE);
+ memcpy(base_p4d, (void *)kasan_early_shadow_p4d,
+ sizeof(p4d_t) * PTRS_PER_P4D);
+ }
}
p4dp = base_p4d + p4d_index(vaddr);