Re: [Xen-devel] [PATCH 24/38] arm: map fixmaps non-executable.

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Fri, 1 Jun 2012, Ian Campbell wrote:
> 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 c332e4c..160a4e9 100644
> --- a/xen/arch/arm/mm.c
> +++ b/xen/arch/arm/mm.c
> @@ -108,6 +108,7 @@ 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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