lkml.org 
[lkml]   [2007]   [Nov]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: SCSI breakage on non-cache coherent architectures
From
Date

> I'd like to be rid of it inside the command for various reasons: every
> command has one of these, and they're expensive in the allocation (at 96
> bytes). There's no reason we have to allocate and free that amount of
> space with every command. In theory, the number of these is bounded at
> the queue depth, in practice, there's usually only one, and this DMA
> alignment issue does requires most drivers to double copy.

Do you have a plan for short term here ? I'd like something fixed
for .25, so I may have to introduce a __dma_aligned macro of some sort
to deal with that in the meantime...

Ben.


-
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/

\
 
 \ /
  Last update: 2007-11-19 20:59    [W:0.073 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site