On 5/21/07, Pekka Enberg <penberg@cs.helsinki.fi> wrote:
quoted text > On 5/21/07, Bryan Wu <bryan.wu@analog.com> wrote:
> > -void *dma_memcpy(void *dest, const void *src, size_t size)
> > +void *_dma_memcpy(void *dest, const void *src, size_t size)
>
> Minor nitpick: the established naming convention is two underscores, not one.
that should be marked as static now actually since the function isnt
for use outside of this file
quoted text > > +void *dma_memcpy(void *dest, const void *src, size_t size)
> > +{
> > + size_t bulk;
> > + size_t rest;
> > + void * addr;
> > +
> > + bulk = (size >> 16) << 16;
>
> I assume this is significantly faster on your architecture than:
>
> bulk = size & ~0xFFFFUL;
>
> which is more readable?
actually they should get optimized to the same thing
-mike
-
unsubscribe notice To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
majordomo@vger.kernel.org
More majordomo info at
http://vger.kernel.org/majordomo-info.html
Please read the FAQ at
http://www.tux.org/lkml/
Messages in current thread:
Re: [PATCH 20/32] Blackfin arch: dma_memcpy borken for > 64K , Mike Frysinger , (Mon May 21, 10:49 am)