- make __pa work with uncached KSEG addresses, it fixes DMA memory
mmapping and DMA debug;
- fix torn stack dump output;
- wire up statx syscall.
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Merge tag 'xtensa-20170403' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa fixes from Max Filippov:
- make __pa work with uncached KSEG addresses, it fixes DMA memory
mmapping and DMA debug
- fix torn stack dump output
- wire up statx syscall
* tag 'xtensa-20170403' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: wire up statx system call
xtensa: fix stack dump output
xtensa: make __pa work with uncached KSEG addresses
08e4e0d045