Hi Christoph,
On Fri, Aug 14, 2015 at 12:35 AM, Christoph Hellwig wrote:
> On Thu, Aug 13, 2015 at 09:37:37AM +1000, Julian Calaby wrote:
>> I.e. ~90% of this patch set seems to be just mechanically dropping
>> BUG_ON()s and converting open coded stuff to use accessor functions
>> (which should b
On 08/13/2015 05:40 PM, Christoph Hellwig wrote:
> On Wed, Aug 12, 2015 at 03:42:47PM +0300, Boaz Harrosh wrote:
>> The support I have suggested and submitted for zone-less sections.
>> (In my add_persistent_memory() patchset)
>>
>> Would work perfectly well and transparent for all such multimedia
On Wed, Aug 12, 2015 at 03:42:47PM +0300, Boaz Harrosh wrote:
> The support I have suggested and submitted for zone-less sections.
> (In my add_persistent_memory() patchset)
>
> Would work perfectly well and transparent for all such multimedia cases.
> (All hacks removed). In fact I have loaded pme
On Thu, Aug 13, 2015 at 09:37:37AM +1000, Julian Calaby wrote:
> I.e. ~90% of this patch set seems to be just mechanically dropping
> BUG_ON()s and converting open coded stuff to use accessor functions
> (which should be macros or get inlined, right?) - and the remaining
> bit is not flushing if we
Hi,
On Wed, Aug 12, 2015 at 10:42 PM, Boaz Harrosh wrote:
> On 08/12/2015 10:05 AM, Christoph Hellwig wrote:
>> It turns out most DMA mapping implementation can handle SGLs without
>> page structures with some fairly simple mechanical work. Most of it
>> is just about consistently using sg_phys.
On Wed, Aug 12, 2015 at 10:00 AM, James Bottomley
wrote:
> On Wed, 2015-08-12 at 09:05 +0200, Christoph Hellwig wrote:
...
>> However the ccio (parisc) and sba_iommu (parisc & ia64) IOMMUs seem
>> to be operate mostly on virtual addresses. It's a fairly odd concept
>> that I don't fully grasp, so
On Wed, 2015-08-12 at 09:05 +0200, Christoph Hellwig wrote:
> Dan Williams started to look into addressing I/O to and from
> Persistent Memory in his series from June:
>
> http://thread.gmane.org/gmane.linux.kernel.cross-arch/27944
>
> I've started looking into DMA mapping of these SGLs spe
On 08/12/2015 10:05 AM, Christoph Hellwig wrote:
> Dan Williams started to look into addressing I/O to and from
> Persistent Memory in his series from June:
>
> http://thread.gmane.org/gmane.linux.kernel.cross-arch/27944
>
> I've started looking into DMA mapping of these SGLs specifically i
Dan Williams started to look into addressing I/O to and from
Persistent Memory in his series from June:
http://thread.gmane.org/gmane.linux.kernel.cross-arch/27944
I've started looking into DMA mapping of these SGLs specifically instead
of the map_pfn method in there. In addition to supp
