• Linus Torvalds's avatar
    Merge tag 'csky-for-linus-4.21' of git://github.com/c-sky/csky-linux · 9ee3b3f4
    Linus Torvalds authored
    Pull arch/csky updates from Guo Ren:
     "Here are three main features (cpu_hotplug, basic ftrace, basic perf)
      and some bugfixes:
    
      Features:
       - Add CPU-hotplug support for SMP
       - Add ftrace with function trace and function graph trace
       - Add Perf support
       - Add EM_CSKY_OLD 39
       - optimize kernel panic print.
       - remove syscall_exit_work
    
      Bugfixes:
       - fix abiv2 mmap(... O_SYNC) failure
       - fix gdb coredump error
       - remove vdsp implement for kernel
       - fix qemu failure to bootup sometimes
       - fix ftrace call-graph panic
       - fix device tree node reference leak
       - remove meaningless header-y
       - fix save hi,lo,dspcr regs in switch_stack
       - remove unused members in processor.h"
    
    * tag 'csky-for-linus-4.21' of git://github.com/c-sky/csky-linux:
      csky: Add perf support for C-SKY
      csky: Add EM_CSKY_OLD 39
      clocksource/drivers/c-sky: fixup ftrace call-graph panic
      csky: ftrace call graph supported.
      csky: basic ftrace supported
      csky: remove unused members in processor.h
      csky: optimize kernel panic print.
      csky: stacktrace supported.
      csky: CPU-hotplug supported for SMP
      clocksource/drivers/c-sky: fixup qemu fail to bootup sometimes.
      csky: fixup save hi,lo,dspcr regs in switch_stack.
      csky: remove syscall_exit_work
      csky: fixup remove vdsp implement for kernel.
      csky: bugfix gdb coredump error.
      csky: fixup abiv2 mmap(... O_SYNC) failed.
      csky: define syscall_get_arch()
      elf-em.h: add EM_CSKY
      csky: remove meaningless header-y
      csky: Don't leak device tree node reference
    9ee3b3f4
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