__set_clr_pte_enc() miscalculates physical address to operate.
pfn is in unit of PG_LEVEL_4K, not PGL_LEVEL_{2M, 1G}.
Shift size to get physical address should be PAGE_SHIFT,
not page_level_shift().
Fixes: dfaaec9033b8 ("x86: Add support for changing memory encryption attribute in early boot")
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Signed-off-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
---
arch/x86/mm/mem_encrypt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c
index 4b01f7dbaf30..ae78cef79980 100644
--- a/arch/x86/mm/mem_encrypt.c
+++ b/arch/x86/mm/mem_encrypt.c
@@ -262,7 +262,7 @@ static void __init __set_clr_pte_enc(pte_t *kpte, int level, bool enc)
if (pgprot_val(old_prot) == pgprot_val(new_prot))
return;
- pa = pfn << page_level_shift(level);
+ pa = pfn << PAGE_SHIFT;
size = page_level_size(level);
/*
--
2.25.1
