Fix sme_populate_pgd() to update page flags if the PMD/PTE entry already exists.
Signed-off-by: Brijesh Singh <[email protected]> Reviewed-by: Tom Lendacky <[email protected]> Cc: Tom Lendacky <[email protected]> Cc: [email protected] Cc: Thomas Gleixner <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: [email protected] Cc: Paolo Bonzini <[email protected]> Cc: Sean Christopherson <[email protected]> Cc: [email protected] Cc: "Radim Krčmář" <[email protected]> --- arch/x86/mm/mem_encrypt_identity.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/x86/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c index 92265d3..7659e65 100644 --- a/arch/x86/mm/mem_encrypt_identity.c +++ b/arch/x86/mm/mem_encrypt_identity.c @@ -154,9 +154,6 @@ static void __init sme_populate_pgd_large(struct sme_populate_pgd_data *ppd) return; pmd = pmd_offset(pud, ppd->vaddr); - if (pmd_large(*pmd)) - return; - set_pmd(pmd, __pmd(ppd->paddr | ppd->pmd_flags)); } @@ -182,8 +179,7 @@ static void __init sme_populate_pgd(struct sme_populate_pgd_data *ppd) return; pte = pte_offset_map(pmd, ppd->vaddr); - if (pte_none(*pte)) - set_pte(pte, __pte(ppd->paddr | ppd->pte_flags)); + set_pte(pte, __pte(ppd->paddr | ppd->pte_flags)); } static void __init __sme_map_range_pmd(struct sme_populate_pgd_data *ppd) -- 2.7.4
