[RFC PATCH v2 tip 4/7] Revert "x86/ptrace: Remove unused regs_get_argument_nth API"

This reverts commit aa5add93e92019018e905146f8c3d3f8e3c08300. Signed-off-by: Alexei Starovoitov --- arch/x86/include/asm/ptrace.h |3 +++ arch/x86/kernel/ptrace.c | 24 2 files changed, 27 insertions(+) diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/in

[RFC PATCH v2 tip 4/7] Revert "x86/ptrace: Remove unused regs_get_argument_nth API"

This reverts commit aa5add93e92019018e905146f8c3d3f8e3c08300. Signed-off-by: Alexei Starovoitov --- arch/x86/include/asm/ptrace.h |3 +++ arch/x86/kernel/ptrace.c | 24 2 files changed, 27 insertions(+) diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/in