RE: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-03 Thread Sricharan
org; 'Rob Clark' <robdcl...@gmail.com>; >'Joerg Roedel' <j...@8bytes.org>; iommu@lists.linux- >foundation.org >Subject: Re: [PATCH 0/5] Implement SMMU passthrough using the default domain > >On Thu, Feb 02, 2017 at 09:15:19PM +0530, Sricharan wrote: >> Hi Rob, >

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-03 Thread Rob Clark
On Thu, Feb 2, 2017 at 10:12 AM, Will Deacon wrote: > On Thu, Feb 02, 2017 at 10:02:50AM -0500, Rob Clark wrote: >> On Thu, Jan 26, 2017 at 12:18 PM, Joerg Roedel wrote: >> > On Tue, Jan 24, 2017 at 08:42:23PM +0530, Sricharan wrote: >> >> Thanks for this

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-02 Thread Will Deacon
Joerg Roedel <j...@8bytes.org> > >Cc: Will Deacon <will.dea...@arm.com>; iommu@lists.linux-foundation.org; > >Sricharan <sricha...@codeaurora.org>; linux-arm- > >ker...@lists.infradead.org > >Subject: Re: [PATCH 0/5] Implement SMMU passthrough usi

RE: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-02 Thread Sricharan
mmu@lists.linux-foundation.org; >Sricharan <sricha...@codeaurora.org>; linux-arm- >ker...@lists.infradead.org >Subject: Re: [PATCH 0/5] Implement SMMU passthrough using the default domain > >On Thu, Jan 26, 2017 at 12:18 PM, Joerg Roedel <j...@8bytes.org> wrote: >> On Tue

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-02 Thread Will Deacon
On Thu, Feb 02, 2017 at 10:02:50AM -0500, Rob Clark wrote: > On Thu, Jan 26, 2017 at 12:18 PM, Joerg Roedel wrote: > > On Tue, Jan 24, 2017 at 08:42:23PM +0530, Sricharan wrote: > >> Thanks for this series. We had a case with the GPU. > >> The GPU's iommu was setup by kernel and

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-02 Thread Rob Clark
On Thu, Jan 26, 2017 at 12:18 PM, Joerg Roedel wrote: > On Tue, Jan 24, 2017 at 08:42:23PM +0530, Sricharan wrote: >> Thanks for this series. We had a case with the GPU. >> The GPU's iommu was setup by kernel and the GPU >> also does dynamic updates for on-the-fly switching

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-01-26 Thread Joerg Roedel
On Tue, Jan 24, 2017 at 08:42:23PM +0530, Sricharan wrote: > Thanks for this series. We had a case with the GPU. > The GPU's iommu was setup by kernel and the GPU > also does dynamic updates for on-the-fly switching between > process pagetables. GPU driver was not using DMA domain and > the GPU's

RE: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-01-24 Thread Sricharan
Hi Will, >Hi all, > >A number of people have expressed interest in having the SMMU come up in >a passthrough configuration, and then allow subsequent translation for >things such as VFIO. Rather than do this in each SMMU driver, it's much >cleaner to allow the default domain to be configured to