kernel oops due to unaligned access with lswi

[David Edelsohn]

>>>>> Olaf Hering writes:

Olaf> 2.6 has a function parse_header(), its part of gunzip and used for
Olaf> initramfs as example. I got an oops, exception 600, sig 7. I think that
Olaf> means unaligned access.

Olaf> +               memcpy(buf, s, 7 + j); /* s might be unaligned, gcc will optimized the call to lswi on ppc */

	lswi specifically accepts unaligned addresses.

david

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