On Fri, Jan 10, 2014 at 10:29:06PM +, Mark Salter wrote:
> +void __init create_id_mapping(phys_addr_t addr, phys_addr_t size)
> +{
> + pgd_t *pgd = &idmap_pg_dir[pgd_index(addr)];
> +
> + if (pgd >= &idmap_pg_dir[ARRAY_SIZE(idmap_pg_dir)]) {
> + pr_warn("BUG: not creating id
At boot time, UEFI runtime support needs to call into the UEFI firmware
to switch to a virtual address map. This call must be made with UEFI
memory regions identity mapped. The exisitng early boot code creates
an identity map of kernel text/data but this is not sufficient for UEFI.
This patch adds
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