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[22/23] x86: sme_populate_pgd() use pte_offset_kernel()

Message ID 6d75e7f-2266-1dda-8a70-c52c27f44da7@google.com
State New
Headers
Series arch: allow pte_offset_map[_lock]() to fail |

Commit Message

Hugh Dickins May 10, 2023, 5:09 a.m. UTC 
  sme_populate_pgd() is an __init function for sme_encrypt_kernel():
it should use pte_offset_kernel() instead of pte_offset_map(), to avoid
the question of whether a pte_unmap() will be needed to balance.

Signed-off-by: Hugh Dickins <hughd@google.com>
---
 arch/x86/mm/mem_encrypt_identity.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c
index c6efcf559d88..a1ab542bdfd6 100644
--- a/arch/x86/mm/mem_encrypt_identity.c
+++ b/arch/x86/mm/mem_encrypt_identity.c
@@ -188,7 +188,7 @@  static void __init sme_populate_pgd(struct sme_populate_pgd_data *ppd)
 	if (pmd_large(*pmd))
 		return;
 
-	pte = pte_offset_map(pmd, ppd->vaddr);
+	pte = pte_offset_kernel(pmd, ppd->vaddr);
 	if (pte_none(*pte))
 		set_pte(pte, __pte(ppd->paddr | ppd->pte_flags));
 }