x86: x86 ptrace user_regset
This cleans up the PTRACE_*REGS* request code so each one is just a simple call to copy_regset_to_user or copy_regset_from_user. The ptrace layouts already match the user_regset formats (core dump formats). Signed-off-by: NRoland McGrath <roland@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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