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    Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal · 42859eea
    Linus Torvalds authored
    Pull generic execve() changes from Al Viro:
     "This introduces the generic kernel_thread() and kernel_execve()
      functions, and switches x86, arm, alpha, um and s390 over to them."
    
    * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (26 commits)
      s390: convert to generic kernel_execve()
      s390: switch to generic kernel_thread()
      s390: fold kernel_thread_helper() into ret_from_fork()
      s390: fold execve_tail() into start_thread(), convert to generic sys_execve()
      um: switch to generic kernel_thread()
      x86, um/x86: switch to generic sys_execve and kernel_execve
      x86: split ret_from_fork
      alpha: introduce ret_from_kernel_execve(), switch to generic kernel_execve()
      alpha: switch to generic kernel_thread()
      alpha: switch to generic sys_execve()
      arm: get rid of execve wrapper, switch to generic execve() implementation
      arm: optimized current_pt_regs()
      arm: introduce ret_from_kernel_execve(), switch to generic kernel_execve()
      arm: split ret_from_fork, simplify kernel_thread() [based on patch by rmk]
      generic sys_execve()
      generic kernel_execve()
      new helper: current_pt_regs()
      preparation for generic kernel_thread()
      um: kill thread->forking
      um: let signal_delivered() do SIGTRAP on singlestepping into handler
      ...
    42859eea