diff options
Diffstat (limited to 'arch/x86/mm/setup_nx.c')
-rw-r--r-- | arch/x86/mm/setup_nx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c index 92e2eacb3321..8bea84724a7d 100644 --- a/arch/x86/mm/setup_nx.c +++ b/arch/x86/mm/setup_nx.c @@ -4,6 +4,7 @@ #include <asm/pgtable.h> #include <asm/proto.h> +#include <asm/cpufeature.h> static int disable_nx; @@ -31,9 +32,8 @@ early_param("noexec", noexec_setup); void x86_configure_nx(void) { - if (boot_cpu_has(X86_FEATURE_NX) && !disable_nx) - __supported_pte_mask |= _PAGE_NX; - else + /* If disable_nx is set, clear NX on all new mappings going forward. */ + if (disable_nx) __supported_pte_mask &= ~_PAGE_NX; } |