Thanks,
applied to the dma-mapping tree for Linux 5.18.
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On 3/9/2022 11:28 PM, Alex Deucher via iommu wrote:
> Add preliminary documenation for AMD IOMMU.
s/documenation /documentation/
>
> Signed-off-by: Alex Deucher
> ---
>
> V2: incorporate feedback from Robin to clarify IOMMU vs DMA engine (e.g.,
> a device) and document proper DMA API.
> -ACPI enumerates and lists the different DMA engines in the platform, and
> -device scope relationships between PCI devices and which DMA engine controls
> +ACPI enumerates and lists the different IOMMUs in the platform, and
> +device scope relationships between PCI devices and which IOMMU
Based on feedback from Robin on the initial AMD IOMMU
documentation, fix up the Intel documentation to
clarify IOMMU vs device and modern DMA API.
Signed-off-by: Alex Deucher
---
Documentation/x86/intel-iommu.rst | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git
Add preliminary documenation for AMD IOMMU.
Signed-off-by: Alex Deucher
---
V2: incorporate feedback from Robin to clarify IOMMU vs DMA engine (e.g.,
a device) and document proper DMA API. Also correct the fact that
the AMD IOMMU is not limited to managing PCI devices.
[Public]
> -Original Message-
> From: Robin Murphy
> Sent: Tuesday, March 8, 2022 3:09 PM
> To: Deucher, Alexander ; linux-
> d...@vger.kernel.org; linux-ker...@vger.kernel.org; cor...@lwn.net;
> h...@zytor.com; x...@kernel.org; dave.han...@linux.intel.com;
> b...@alien8.de;
On 3/9/22 1:18 AM, Christoph Hellwig wrote:
On Tue, Mar 08, 2022 at 04:38:21PM -0500, Boris Ostrovsky wrote:
On 3/1/22 5:53 AM, Christoph Hellwig wrote:
Allow to pass a remap argument to the swiotlb initialization functions
to handle the Xen/x86 remap case. ARM/ARM64 never did any remapping
Hello Suravee Suthikulpanit,
The patch d46c04558fdd: "iommu/amd: Improve amd_iommu_v2_exit()" from
Mar 1, 2022, leads to the following Smatch static checker warning:
drivers/iommu/amd/iommu_v2.c:133 free_device_state()
warn: sleeping in atomic context
On Tue, Mar 08, 2022 at 04:59:05PM +0100, Thierry Reding wrote:
> On Wed, Feb 16, 2022 at 02:25:20PM +0100, Thierry Reding wrote:
> > On Thu, Dec 09, 2021 at 05:35:57PM +0100, Thierry Reding wrote:
> > > From: Thierry Reding
> > >
> > > On NVIDIA SoC's the ARM SMMU needs to interact with the
On 3/9/2022 12:41 PM, Dan Carpenter wrote:
> Hello Suravee Suthikulpanit,
Dan,
Thanks for the bug report.
.../...
>
> 1979 pr_err("IOMMU: Failed to initialize IOMMU-API
> interface (error=%d)!\n",
> 1980ret);
> 1981 goto
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