[U-Boot] [PATCH] arm: enable unaligned access on ARMv7

Albert ARIBAUD albert.u.boot at aribaud.net
Mon Jun 25 22:34:45 CEST 2012


Hi Aneesh,

> >> BTW, I agree that enabling un-aligned access is not a bad idea.
> >
> > Just being "not a bad idea" is not enough for me to accept this. It
> > will have to be the sole sound solution to a problem, and at this
> > point, I do not think it is as far as USB structure mis-alignement
> > issues are concerned.
> 
> My point is that enabling un-aligned accesses in itsown merit
> is not a bad idea, not as a solution to this problem. I have seen
> it being enabled in HLOS environment. TI's Symbian port for
> instance had it enabled for OMAP3. I don't
> know why Linux too shoudln't take advantage of such hw
> features. Perhaps you don't want to take it at this point of time to
> force the real solution to the USB problem, which is reasonable.

What is the (non-contrived) problem to which allowing mis-aligned
accesses would be a solution?

Amicalement,
-- 
Albert.


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