[lkml]   [2003]   [Aug]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] RFC: kills consistent_dma_mask
On 18 Aug 2003 00:34:17 +0200
Krzysztof Halasa <> wrote:

> The consistent_dma_mask (and set_... function) is presumably a hack
> which is currently not used by anything (at least in the official tree).
> It's unneeded (it can be easily done in a driver, should a need arrive,
> without polluting the PCI subsystem) and is not supported by "DMA" API.

ia64 does in fact need consistent_dma_mask.

> It isn't even implemented on most platforms - only x86_64 and ia64 have
> support for it, while on the remaining archs using it according to the
> docs (with non-default value) could mean Oops or something like that.

The platforms where it isn't implemented simply support
it identically to how they support the normal dma_mask.

Please read the threads in the archives that caused
consistent_dma_mask to be added to the tree in the first
place before you go around removing it.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:47    [W:0.157 / U:3.660 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site