From: David Woodhouse <[email protected]>
Date: Tue, 03 Jul 2007 15:26:18 -0400
> On Tue, 2007-07-03 at 19:57 +0100, Mark Fortescue wrote:
> > > Commit b46b8f19c9cd435ecac4d9d12b39d78c137ecd66 partially fixed alignment
> > > issues but does not ensure that all 64bit alignment requirements of sparc32
> > > are met. Tests have shown that the redzone2 word can become misallignd.
>
> Oops, sorry about that. I'm not sure about your patch though -- I think
> I'd prefer to keep the redzone misaligned (and hence _right_ next to the
> real data), and just deal with it.
>
> typedef unsigned long long __aligned__((BYTES_PER_WORD)) redzone_t;
Please don't use get_unaligned() or whatever to fix this, it's
going to generate the byte-at-a-time accesses on sparc64
which doesn't need it since the redzone will be aligned.
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