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-rw-r--r--arch/x86/mm/kaiser.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/mm/kaiser.c b/arch/x86/mm/kaiser.c
index b6b0f3aa4f77..d8376b4ad9f0 100644
--- a/arch/x86/mm/kaiser.c
+++ b/arch/x86/mm/kaiser.c
@@ -413,7 +413,8 @@ pgd_t kaiser_set_shadow_pgd(pgd_t *pgdp, pgd_t pgd)
* get out to userspace running on the kernel CR3,
* userspace will crash instead of running.
*/
- pgd.pgd |= _PAGE_NX;
+ if (__supported_pte_mask & _PAGE_NX)
+ pgd.pgd |= _PAGE_NX;
}
} else if (!pgd.pgd) {
/*