On 06/16/2015 02:51 PM, Stefan Agner wrote:
> Add early fixmap support, initially to support permanent, fixed
> mapping support for early console. A temporary, early pte is
> created which is migrated to a permanent mapping in paging_init.
> This is also needed since the attributes may change as the memory
> types are initialized. The 3MiB range of fixmap spans two pte
> tables, but currently only one pte is created for early fixmap
> support.
>
> Re-add FIX_KMAP_BEGIN to the index calculation in highmem.c since
> the index for kmap does not start at zero anymore. This reverts
> 4221e2e6b316 ("ARM: 8031/1: fixmap: remove FIX_KMAP_BEGIN and
> FIX_KMAP_END") to some extent.
>
> Cc: Mark Salter <[email protected]>
> Cc: Russell King <[email protected]>
> Cc: Kees Cook <[email protected]>
> Cc: Laura Abbott <[email protected]>
> Cc: Arnd Bergmann <[email protected]>
> Cc: Ard Biesheuvel <[email protected]>
> Signed-off-by: Rob Herring <[email protected]>
> Signed-off-by: Stefan Agner <[email protected]>
>Works on msm_serial. Tested-by: Stephen Boyd <[email protected]> -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
