[PATCH v3 4/6] arm: add early_ioremap support

[Russell King - ARM Linux]

On Thu, Jan 09, 2014 at 10:50:31PM -0500, Mark Salter wrote:
> +#define FIXMAP_PAGE_NORMAL (L_PTE_MT_WRITEBACK | L_PTE_YOUNG | L_PTE_PRESENT)
> +#define FIXMAP_PAGE_IO (L_PTE_MT_DEV_NONSHARED | L_PTE_YOUNG | L_PTE_PRESENT)

Doesn't this also want L_PTE_XN for at least IO mappings - maybe for the
normal too if no code is expected to be run from it.

-- 
FTTC broadband for 0.8mile line: 5.8Mbps down 500kbps up.  Estimation
in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad.
Estimate before purchase was "up to 13.2Mbit".