Hello Suravee Suthikulpanit,
The patch 06687a03805e: "iommu/amd: Improve error handling for
amd_iommu_init_pci" from Mar 1, 2022, leads to the following Smatch
static checker warning:
drivers/iommu/amd/init.c:1989 amd_iommu_init_pci()
warn: duplicate check 'ret' (previous on line
On Tue, Mar 8, 2022 at 11:40 AM Corentin Labbe
wrote:
>
> Le Mon, Mar 07, 2022 at 02:56:21PM +0100, Corentin Labbe a écrit :
> > Le Mon, Mar 07, 2022 at 03:53:02PM +0200, Gilad Ben-Yossef a écrit :
> > > On Mon, Mar 7, 2022 at 3:45 PM Corentin Labbe
> > > wrote:
> > > >
> > > > Le Mon, Mar 07, 2
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
>> from xen_swiotlb_fixup, so we don't e
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
from xen_swiotlb_fixup, so we don't even need that quirk.
Any chance this patch could be split? Lots of thin
On 2022-03-08 19:04, Alex Deucher via iommu wrote:
Add preliminary documenation for AMD IOMMU.
Signed-off-by: Alex Deucher
---
Documentation/x86/amd-iommu.rst | 85 +++
Documentation/x86/index.rst | 1 +
Documentation/x86/intel-iommu.rst | 2 +-
3 file
Add preliminary documenation for AMD IOMMU.
Signed-off-by: Alex Deucher
---
Documentation/x86/amd-iommu.rst | 85 +++
Documentation/x86/index.rst | 1 +
Documentation/x86/intel-iommu.rst | 2 +-
3 files changed, 87 insertions(+), 1 deletion(-)
create mode 1
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 memory
> > controller in order to map memory clients to the corresponding stre
On 2022-03-08 05:44, Lu Baolu wrote:
The devices on platform/amba/fsl-mc/PCI buses could be bound to drivers
with the device DMA managed by kernel drivers or user-space applications.
Unfortunately, multiple devices may be placed in the same IOMMU group
because they cannot be isolated from each ot
On 2022-03-08 05:44, Lu Baolu wrote:
Multiple devices may be placed in the same IOMMU group because they
cannot be isolated from each other. These devices must either be
entirely under kernel control or userspace control, never a mixture.
This adds dma ownership management in iommu core and expo
On 2022/3/8 20:06, Jonathan Cameron wrote:
> On Tue, 8 Mar 2022 19:13:08 +0800
> Yicong Yang wrote:
>
>> On 2022/3/8 18:21, Jonathan Cameron wrote:
>>> On Tue, 8 Mar 2022 16:49:25 +0800
>>> Yicong Yang wrote:
>>>
Register PMU device of PTT trace, then users can use trace through perf
>>>
On Tue, 8 Mar 2022 19:13:08 +0800
Yicong Yang wrote:
> On 2022/3/8 18:21, Jonathan Cameron wrote:
> > On Tue, 8 Mar 2022 16:49:25 +0800
> > Yicong Yang wrote:
> >
> >> Register PMU device of PTT trace, then users can use trace through perf
> >> command. The driver makes use of perf AUX trace
On 2022/3/8 18:32, Jonathan Cameron wrote:
> On Tue, 8 Mar 2022 16:49:30 +0800
> Yicong Yang wrote:
>
>> Add maintainer for driver and documentation of HiSilicon PTT device.
>>
>> Signed-off-by: Yicong Yang
> FWIW
> Reviewed-by: Jonathan Cameron
>
> I've left the perf tool and iommu patches wi
On Tue, Mar 08, 2022 at 10:18:10AM +, Will Deacon wrote:
> Hi Joerg,
>
> Please pull this handful of Arm SMMU updates for 5.18. Summary in the tag.
Pulled, thanks Will.
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On 2022/3/8 18:21, Jonathan Cameron wrote:
> On Tue, 8 Mar 2022 16:49:25 +0800
> Yicong Yang wrote:
>
>> Register PMU device of PTT trace, then users can use trace through perf
>> command. The driver makes use of perf AUX trace and support following
>> events to configure the trace:
>>
>> - filte
On Tue, 8 Mar 2022 16:49:30 +0800
Yicong Yang wrote:
> Add maintainer for driver and documentation of HiSilicon PTT device.
>
> Signed-off-by: Yicong Yang
FWIW
Reviewed-by: Jonathan Cameron
I've left the perf tool and iommu patches without tags from me
as I don't have the background to do a t
On Tue, 8 Mar 2022 16:49:26 +0800
Yicong Yang wrote:
> The PCIe devices supported by the PTT trace can be removed/rescanned by
> hotplug or through sysfs. Add support for dynamically updating the
> available filter list by registering a PCI bus notifier block. Then user
> can always get latest i
On Tue, 8 Mar 2022 16:49:25 +0800
Yicong Yang wrote:
> Register PMU device of PTT trace, then users can use trace through perf
> command. The driver makes use of perf AUX trace and support following
> events to configure the trace:
>
> - filter: select Root port or Endpoint to trace
> - type: se
Hi Joerg,
Please pull this handful of Arm SMMU updates for 5.18. Summary in the tag.
Cheers,
Will
--->8
The following changes since commit 26291c54e111ff6ba87a164d85d4a4e134b7315c:
Linux 5.17-rc2 (2022-01-30 15:37:07 +0200)
are available in the Git repository at:
git://git.kernel.org/pu
Le Mon, Mar 07, 2022 at 02:56:21PM +0100, Corentin Labbe a écrit :
> Le Mon, Mar 07, 2022 at 03:53:02PM +0200, Gilad Ben-Yossef a écrit :
> > On Mon, Mar 7, 2022 at 3:45 PM Corentin Labbe
> > wrote:
> > >
> > > Le Mon, Mar 07, 2022 at 11:14:16AM +, Robin Murphy a écrit :
> > > > On 2022-03-07
kernel/dma/map_benchmark.c and selftests/dma/dma_map_benchmark.c
have duplicate map_benchmark definitions, which tends to lead to
inconsistent changes to map_benchmark on both sides, extract a
common header file to avoid this problem.
Signed-off-by: Tian Tao
Acked-by: Barry Song
Reviewed-by: Shu
HiSilicon PCIe tune and trace device(PTT) is a PCIe Root Complex integrated
Endpoint(RCiEP) device, providing the capability to dynamically monitor and
tune the PCIe traffic, and trace the TLP headers.
Add the driver for the device to enable the trace function. This patch adds
basic function of tr
The PCIe devices supported by the PTT trace can be removed/rescanned by
hotplug or through sysfs. Add support for dynamically updating the
available filter list by registering a PCI bus notifier block. Then user
can always get latest information about available tracing filters and
driver can block
Register PMU device of PTT trace, then users can use trace through perf
command. The driver makes use of perf AUX trace and support following
events to configure the trace:
- filter: select Root port or Endpoint to trace
- type: select the type of traced TLP headers
- direction: select the directi
From: Qi Liu
'perf record' and 'perf report --dump-raw-trace' supported in this
patch.
Example usage:
Output will contain raw PTT data and its textual representation, such
as:
0 0 0x5810 [0x30]: PERF_RECORD_AUXTRACE size: 0x40 offset: 0
ref: 0xa5d50c725 idx: 0 tid: -1 cpu: 0
.
. ... HI
Add tune function for the HiSilicon Tune and Trace device. The interface
of tune is exposed through sysfs attributes of PTT PMU device.
Reviewed-by: Jonathan Cameron
Signed-off-by: Yicong Yang
---
drivers/hwtracing/ptt/hisi_ptt.c | 154 +++
drivers/hwtracing/ptt/hisi
Document the introduction and usage of HiSilicon PTT device driver.
Signed-off-by: Yicong Yang
Reviewed-by: Jonathan Cameron
---
Documentation/trace/hisi-ptt.rst | 303 +++
1 file changed, 303 insertions(+)
create mode 100644 Documentation/trace/hisi-ptt.rst
diff -
HiSilicon PCIe tune and trace device (PTT) is a PCIe Root Complex
integrated Endpoint (RCiEP) device, providing the capability
to dynamically monitor and tune the PCIe traffic (tune),
and trace the TLP headers (trace).
PTT tune is designed for monitoring and adjusting PCIe link parameters.
We prov
Add maintainer for driver and documentation of HiSilicon PTT device.
Signed-off-by: Yicong Yang
---
MAINTAINERS | 7 +++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index ea3e6c914384..237c618a74d5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8689,6 +8689,13 @@
The DMA of HiSilicon PTT device can only work with identical mapping.
So add a quirk for the device to force the domain passthrough.
Signed-off-by: Yicong Yang
---
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 16
1 file changed, 16 insertions(+)
diff --git a/drivers/iommu/arm/
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