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    Merge tag 'xtensa-20180129' of git://github.com/jcmvbkbc/linux-xtensa · d0bd31dc
    Linus Torvalds authored
    Pull Xtensa updates from Max Filippov:
    
     - add SSP support
    
     - add KASAN support
    
     - improvements to xtensa-specific assembly:
        - use ENTRY and ENDPROC consistently
        - clean up and unify word alignment macros
        - clean up and unify fixup marking
        - use 'call' instead of 'callx' where possible
    
     - various cleanups:
        - consiolidate kernel stack size related definitions
        - replace #ifdef'fed/commented out debug printk statements with
          pr_debug
        - use struct exc_table instead of flat array for exception handling
          data
    
     - build kernel with -mtext-section-literals; simplify xtensa linker
       script
    
     - fix futex_atomic_cmpxchg_inatomic()
    
    * tag 'xtensa-20180129' of git://github.com/jcmvbkbc/linux-xtensa: (21 commits)
      xtensa: fix futex_atomic_cmpxchg_inatomic
      xtensa: shut up gcc-8 warnings
      xtensa: print kernel sections info in mem_init
      xtensa: use generic strncpy_from_user with KASAN
      xtensa: use __memset in __xtensa_clear_user
      xtensa: add support for KASAN
      xtensa: move fixmap and kmap just above the KSEG
      xtensa: don't clear swapper_pg_dir in paging_init
      xtensa: extract init_kio
      xtensa: implement early_trap_init
      xtensa: clean up exception handling structure
      xtensa: clean up custom-controlled debug output
      xtensa: enable stack protector
      xtensa: print hardware config ID on startup
      xtensa: consolidate kernel stack size related definitions
      xtensa: clean up functions in assembly code
      xtensa: clean up word alignment macros in assembly code
      xtensa: clean up fixups in assembly code
      xtensa: use call instead of callx in assembly code
      xtensa: build kernel with text-section-literals
      ...
    d0bd31dc