On Thu, Jan 04, 2018 at 09:49:30AM +0100, Christoph Hellwig wrote:
> On Tue, Jan 02, 2018 at 08:45:30PM +1100, Michael Ellerman wrote:
> > Christoph Hellwig writes:
> >
> > > We want to use the dma_direct_ namespace for a generic implementation,
> > > so rename powerpc to the second best choice:
On Tue, Jan 02, 2018 at 08:45:30PM +1100, Michael Ellerman wrote:
> Christoph Hellwig writes:
>
> > We want to use the dma_direct_ namespace for a generic implementation,
> > so rename powerpc to the second best choice: dma_nommu_.
>
> I'm not a fan of "nommu". Some of the users of direct ops *a
On Wed, Jan 03, 2018 at 07:19:46PM +1100, Julian Calaby wrote:
> If this is indeed a linear mapping, can we just remove this and
> replace it with the new "generic" mapping being introduced by this
> patchset?
That is the long-term plan. But as the powerpc one includes support
for non-coherent DM
Hi All,
On Wed, Jan 3, 2018 at 6:49 PM, Geert Uytterhoeven wrote:
> Hi Michael,
>
> On Wed, Jan 3, 2018 at 7:24 AM, Michael Ellerman wrote:
>> Geert Uytterhoeven writes:
>>
>>> On Tue, Jan 2, 2018 at 10:45 AM, Michael Ellerman
>>> wrote:
Christoph Hellwig writes:
> We want to u
Hi Michael,
On Wed, Jan 3, 2018 at 7:24 AM, Michael Ellerman wrote:
> Geert Uytterhoeven writes:
>
>> On Tue, Jan 2, 2018 at 10:45 AM, Michael Ellerman
>> wrote:
>>> Christoph Hellwig writes:
>>>
We want to use the dma_direct_ namespace for a generic implementation,
so rename powerp
Geert Uytterhoeven writes:
> On Tue, Jan 2, 2018 at 10:45 AM, Michael Ellerman wrote:
>> Christoph Hellwig writes:
>>
>>> We want to use the dma_direct_ namespace for a generic implementation,
>>> so rename powerpc to the second best choice: dma_nommu_.
>>
>> I'm not a fan of "nommu". Some of t
On Tue, Jan 2, 2018 at 10:45 AM, Michael Ellerman wrote:
> Christoph Hellwig writes:
>
>> We want to use the dma_direct_ namespace for a generic implementation,
>> so rename powerpc to the second best choice: dma_nommu_.
>
> I'm not a fan of "nommu". Some of the users of direct ops *are* using an
Christoph Hellwig writes:
> We want to use the dma_direct_ namespace for a generic implementation,
> so rename powerpc to the second best choice: dma_nommu_.
I'm not a fan of "nommu". Some of the users of direct ops *are* using an
IOMMU, they're just setting up a 1:1 mapping once at init time, r
We want to use the dma_direct_ namespace for a generic implementation,
so rename powerpc to the second best choice: dma_nommu_.
Signed-off-by: Christoph Hellwig
---
arch/powerpc/include/asm/dma-mapping.h| 8 ++--
arch/powerpc/kernel/dma-iommu.c | 2 +-
arch/powerpc/kernel/dma-swi
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