The paired pte_unmap() call is missing before the sme_populate_pgd() returns. Although this code only runs under the CONFIG_X86_64, for the correctness of the code semantics, it is necessary to add a paired pte_unmap() call. Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> --- arch/x86/mm/mem_encrypt_identity.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c index b43bc24d2bb6..6d323230320a 100644 --- a/arch/x86/mm/mem_encrypt_identity.c +++ b/arch/x86/mm/mem_encrypt_identity.c @@ -190,6 +190,7 @@ static void __init sme_populate_pgd(struct sme_populate_pgd_data *ppd) pte = pte_offset_map(pmd, ppd->vaddr); if (pte_none(*pte)) set_pte(pte, __pte(ppd->paddr | ppd->pte_flags)); + pte_unmap(pte); } static void __init __sme_map_range_pmd(struct sme_populate_pgd_data *ppd) -- 2.20.1
