Xtensa patchset for v3.15.
Fixes allmodconfig, allnoconfig builds
Adds highmem support
Enables build-time exception table sorting.
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Merge tag 'xtensa-next-20140503' of git://github.com/czankel/xtensa-linux
Pull Xtensa fixes from Chris Zankel:
- Fixes allmodconfig, allnoconfig builds
- Adds highmem support
- Enables build-time exception table sorting.
* tag 'xtensa-next-20140503' of git://github.com/czankel/xtensa-linux:
xtensa: ISS: don't depend on CONFIG_TTY
xtensa: xt2000: drop redundant sysmem initialization
xtensa: add support for KC705
xtensa: xtfpga: introduce SoC I/O bus
xtensa: add HIGHMEM support
xtensa: optimize local_flush_tlb_kernel_range
xtensa: dump sysmem from the bootmem_init
xtensa: handle memmap kernel option
xtensa: keep sysmem banks ordered in mem_reserve
xtensa: keep sysmem banks ordered in add_sysmem_bank
xtensa: split bootparam and kernel meminfo
xtensa: enable sorting extable at build time
xtensa: export __{invalidate,flush}_dcache_range
xtensa: Export __invalidate_icache_range
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