From e225e4c702012017ebced7c9d13a745481956033 Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Tue, 26 Jun 2012 16:23:58 +0100 Subject: [PATCH] arm: map fixmaps non-executable. Signed-off-by: Ian Campbell Acked-by: Stefano Stabellini Committed-by: Ian Campbell --- xen/arch/arm/mm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c index 715a98a32a..40ac176ce3 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)); } -- 2.30.2