On Wed, May 19, 2010 at 11:36:56PM +1000, Nick Piggin wrote:
quoted text
> On Wed, May 19, 2010 at 02:17:47PM +0100, David Woodhouse wrote:
> >
> > The 'cacheline aligned' misconception did manage to get into the ad7877
> > driver in commit 3843384a though -- it now uses ____cacheline_aligned
> > instead of __attribute__((__aligned__(ARCH_KMALLOC_MINALIGN))) as it
> > should.
> 
> OK so long as there is not a "must be cacheline aligned" requirement.
> Your proposal for a __dma_aligned attribute in an arch header looks
> like a good idea there.

Would you happen to know of other potential users?  At this point I'd
much rather just allocate the buffers dynamically and hide the issue
nicely behind kmalloc().
--
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/