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authorChristoph Hellwig <hch@lst.de>2010-03-11 00:22:57 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-13 00:52:39 +0100
commit6d75ca10225be4c7509026f9b61c740b22e734e4 (patch)
tree3a57ab05345bb25aff05e5da913468ee2897b45f /arch/um/kernel
parentum: use generic ptrace_resume code (diff)
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xtensa: use generic ptrace_resume code
Use the generic ptrace_resume code for PTRACE_SYSCALL, PTRACE_CONT, PTRACE_KILL and PTRACE_SINGLESTEP. This implies defining arch_has_single_step in <asm/ptrace.h> and implementing the user_enable_single_step and user_disable_single_step functions, which also causes the breakpoint information to be cleared on fork, which could be considered a bug fix. Also the TIF_SYSCALL_TRACE thread flag is now cleared on PTRACE_KILL which it previously wasn't which is consistent with all architectures using the modern ptrace code. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Roland McGrath <roland@redhat.com> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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