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authorIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
commit35dc9ec1076b79c31bf7ed538af008b7f23bb14d (patch)
treef90affdd5dc45f47f8d5d84ea34c71e5e521e7a1 /arch/x86/mm
parent0ec7ae928a9c19c2b7b8054507d5694a2597065e (diff)
parent07837831047fb72856d1f61a726a4094397facd8 (diff)
downloadblackbird-op-linux-35dc9ec1076b79c31bf7ed538af008b7f23bb14d.tar.gz
blackbird-op-linux-35dc9ec1076b79c31bf7ed538af008b7f23bb14d.zip
Merge branch 'linus' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/setup_nx.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c
index 8bea84724a7d..f65a33f505b6 100644
--- a/arch/x86/mm/setup_nx.c
+++ b/arch/x86/mm/setup_nx.c
@@ -32,8 +32,9 @@ early_param("noexec", noexec_setup);
void x86_configure_nx(void)
{
- /* If disable_nx is set, clear NX on all new mappings going forward. */
- if (disable_nx)
+ if (boot_cpu_has(X86_FEATURE_NX) && !disable_nx)
+ __supported_pte_mask |= _PAGE_NX;
+ else
__supported_pte_mask &= ~_PAGE_NX;
}
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