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authorArnaldo Carvalho de Melo <acme@redhat.com>2022-03-14 19:15:16 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-03-14 19:15:16 -0300
commit65eab2bc7dab326ee892ec5a4c749470b368b51a (patch)
tree341189a55a3d021db7f1c8a8e5b4772b6c782c25 /arch/riscv/mm/kasan_init.c
parentf693dac4794fae99c04f75a3a1a5c4018bb33144 (diff)
parent09688c0166e76ce2fb85e86b9d99be8b0084cdf9 (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes that went thru perf/urgent. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/riscv/mm/kasan_init.c')
-rw-r--r--arch/riscv/mm/kasan_init.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index f61f7ca6fe0f..cd1a145257b7 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -113,8 +113,11 @@ static void __init kasan_populate_pud(pgd_t *pgd,
base_pud = pt_ops.get_pud_virt(pfn_to_phys(_pgd_pfn(*pgd)));
} else {
base_pud = (pud_t *)pgd_page_vaddr(*pgd);
- if (base_pud == lm_alias(kasan_early_shadow_pud))
+ if (base_pud == lm_alias(kasan_early_shadow_pud)) {
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);
+ }
}
pudp = base_pud + pud_index(vaddr);
@@ -202,8 +205,7 @@ asmlinkage void __init kasan_early_init(void)
for (i = 0; i < PTRS_PER_PTE; ++i)
set_pte(kasan_early_shadow_pte + i,
- mk_pte(virt_to_page(kasan_early_shadow_page),
- PAGE_KERNEL));
+ pfn_pte(virt_to_pfn(kasan_early_shadow_page), PAGE_KERNEL));
for (i = 0; i < PTRS_PER_PMD; ++i)
set_pmd(kasan_early_shadow_pmd + i,