[Xen-devel] [PATCH V2 23/40] arm: map fixmaps non-executable.

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
---
 xen/arch/arm/mm.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 715a98a..40ac176 100644
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -106,6 +106,7 @@ void set_fixmap(unsigned map, unsigned long mfn, unsigned 
attributes)
     lpae_t pte = mfn_to_xen_entry(mfn);
     pte.pt.table = 1; /* 4k mappings always have this bit set */
     pte.pt.ai = attributes;
+    pte.pt.xn = 1;
     write_pte(xen_fixmap + third_table_offset(FIXMAP_ADDR(map)), pte);
     flush_xen_data_tlb_va(FIXMAP_ADDR(map));
 }
-- 
1.7.9.1


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