On 5/22/2020 12:42 PM, Robin Murphy wrote:
On 2020-05-22 00:10, Rob Herring wrote:
On Thu, May 21, 2020 at 7:00 AM Lorenzo Pieralisi
wrote:
From: Laurentiu Tudor
The existing bindings cannot be used to specify the relationship
between fsl-mc devices and GIC ITSes.
Add a generic binding for
>For the record: I don't think we should apply these because we don't have a
>good way of testing them. We currently have three problems that prevent us
>from enabling SMMU on Tegra194:
Out of three issues pointed here, I see that only issue 2) is a real blocker
for enabling SMMU HW by default
Hi,
On Tue, May 19, 2020 at 05:42:55PM +0800, Xiang Zheng wrote:
> Hi all,
>
> Is there any plan for enabling SMMU HTTU?
Not outside of SVA, as far as I know.
> I have seen the patch locates in the SVA series patch, which adds
> support for HTTU:
> https://www.spinics.net/lists/arm-kernel/m
On 5/22/2020 5:02 PM, Rob Herring wrote:
> On Fri, May 22, 2020 at 3:42 AM Robin Murphy wrote:
>>
>> On 2020-05-22 00:10, Rob Herring wrote:
>>> On Thu, May 21, 2020 at 7:00 AM Lorenzo Pieralisi
>>> wrote:
From: Laurentiu Tudor
The existing bindings cannot be used to specify
On Thu, May 21, 2020 at 04:31:02PM -0700, Krishna Reddy wrote:
> Changes in v5:
> Rebased on top of
> git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next
>
> v4 - https://lkml.org/lkml/2019/10/30/1054
> v3 - https://lkml.org/lkml/2019/10/18/1601
> v2 - https://lkml.org/lkml/2019/9/2
On 20/03/2020 10:41, John Garry wrote:
+ Barry, Alexandru
PerfTop: 85864 irqs/sec kernel:89.6% exact: 0.0% lost:
0/34434 drop:
0/40116 [4000Hz cycles], (all, 96 CPUs)
-
Hi Nicolas,
On Wed, May 20, 2020 at 7:28 AM Nicolas Saenz Julienne
wrote:
>
> Hi Jim,
> thanks for having a go at this! My two cents.
>
> On Tue, 2020-05-19 at 16:34 -0400, Jim Quinlan wrote:
> > The device variable 'dma_pfn_offset' is used to do a single
> > linear map between cpu addrs and dma
On 2020-05-22 15:08, Rob Herring wrote:
On Fri, May 22, 2020 at 3:57 AM Diana Craciun OSS
wrote:
On 5/22/2020 12:42 PM, Robin Murphy wrote:
On 2020-05-22 00:10, Rob Herring wrote:
On Thu, May 21, 2020 at 7:00 AM Lorenzo Pieralisi
wrote:
From: Laurentiu Tudor
The existing bindings cannot
On Fri, May 22, 2020 at 3:57 AM Diana Craciun OSS
wrote:
>
> On 5/22/2020 12:42 PM, Robin Murphy wrote:
> > On 2020-05-22 00:10, Rob Herring wrote:
> >> On Thu, May 21, 2020 at 7:00 AM Lorenzo Pieralisi
> >> wrote:
> >>>
> >>> From: Laurentiu Tudor
> >>>
> >>> The existing bindings cannot be use
On Fri, May 22, 2020 at 3:42 AM Robin Murphy wrote:
>
> On 2020-05-22 00:10, Rob Herring wrote:
> > On Thu, May 21, 2020 at 7:00 AM Lorenzo Pieralisi
> > wrote:
> >>
> >> From: Laurentiu Tudor
> >>
> >> The existing bindings cannot be used to specify the relationship
> >> between fsl-mc devices
Since the change to move default domain allocation to probe,
there is a refcount decrement missing for the group in
iommu_alloc_default_domain(). Because of this missing
refcount decrement, the device is never released from the
group as the devices_kobj refcount never reaches 0 in
iommu_group_remov
The Documentation/DMA-API-HOWTO.txt states that the dma_map_sg() function
returns the number of the created entries in the DMA address space.
However the subsequent calls to the dma_sync_sg_for_{device,cpu}() and
dma_unmap_sg must be called with the original number of the entries
passed to the dma_
[+Eric]
On Thu, May 21, 2020 at 03:38:35PM +0100, Marc Zyngier wrote:
> On 2020-05-21 15:17, Will Deacon wrote:
> > [+Marc]
> >
> > On Tue, May 19, 2020 at 07:54:51PM +0200, Jean-Philippe Brucker wrote:
> > > The SMMUv3 can handle invalidation targeted at TLB entries with shared
> > > ASIDs. If t
On Fri, May 22, 2020 at 05:32:02AM +, Makarand Pawagi wrote:
[...]
> > Subject: Re: [PATCH 12/12] bus: fsl-mc: Add ACPI support for fsl-mc
> >
> > Hi Lorenzo,
> >
> > On 5/21/2020 4:00 PM, Lorenzo Pieralisi wrote:
> > > From: Diana Craciun
> > >
> > > Add ACPI support in the fsl-mc driver.
On 2020-05-22 00:10, Rob Herring wrote:
On Thu, May 21, 2020 at 7:00 AM Lorenzo Pieralisi
wrote:
From: Laurentiu Tudor
The existing bindings cannot be used to specify the relationship
between fsl-mc devices and GIC ITSes.
Add a generic binding for mapping fsl-mc devices to GIC ITSes, using
On 2020-05-22 07:25, gup...@codeaurora.org wrote:
On 2020-05-22 01:46, Robin Murphy wrote:
On 2020-05-21 12:30, Prakash Gupta wrote:
Limit the iova size while freeing based on unmapped size. In absence of
this even with unmap failure, invalid iova is pushed to iova rcache and
subsequently can c
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