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As a foundation for reliable stack unwinding, this adds a config option (available to all architectures except IA64 and those where the module loader might have problems with the resulting relocations) to enable the generation of frame unwind information. Signed-off-by: Jan Beulich <[email protected]> Cc: Miles Bader <[email protected]> Cc: "Luck, Tony" <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: Kyle McMartin <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Paul Mundt <[email protected]>, Cc: Andi Kleen <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>