Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

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

Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

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

Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

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

Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

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

Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

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

Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

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

Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

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

Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

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

[PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

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 +-