Thread (60 messages) 60 messages, 5 authors, 2011-09-29

Re: [PATCH v3 19/24] C6X: headers

From: Arnd Bergmann <arnd@arndb.de>
Date: 2011-09-29 14:42:09
Also in: lkml

On Thursday 29 September 2011 10:24:43 Mark Salter wrote:
I think we still want the c6x unaligned.h because the hardware can do
unaligned 32 and 64 memory accesses with no performance penalty. There
are some addressing mode limitations which is why the compiler doesn't
use them generally.
Ok. I guess you still only need to override __cpu_to_{le,be}{16,32,64}p and
__{le,be}{16,32,64}_to_cpup then and use include/linux/unaligned/access_ok.h.

	Arnd
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