On 2023/10/11 00:47, Jason Gunthorpe wrote:
On Thu, Sep 28, 2023 at 12:15:22AM -0700, Yi Liu wrote:
Yi Liu (6):
iommu: Add new iommu op to create domains owned by userspace
iommufd/hw_pagetable: Use domain_alloc_user op for domain allocation
iommufd/hw_pagetable: Accepts user flags for
On 2023-10-11 at 13:40:48 -0600, Shuah wrote:
>On 10/11/23 02:23, Maciej Wieczor-Retman wrote:
>> Kselftest header defines multiple variadic functions that use printf
>> along with other logic.
>>
>> There is no format checking for the variadic functions that use
>> printing inside kselftest.h. Be
On 10/12/23 11:40 AM, Samasth Norway Ananda wrote:
> Definition for MREMAP_DONTUNMAP not present in the selftest for
> mremap_dontunmap thus throwing an undeclared error when running make
> on mm.
Thanks for sending the patch.
You have mentioned in other email that MREMAP_DONTUNMAP isn't present i
On 10/12/23 1:06 PM, Muhammad Usama Anjum wrote:
> On 10/12/23 11:40 AM, Samasth Norway Ananda wrote:
>> Definition for MREMAP_DONTUNMAP not present in the selftest for
>> mremap_dontunmap thus throwing an undeclared error when running make
>> on mm.
> Thanks for sending the patch.
>
> You have me
On 2023/10/11 00:53, Jason Gunthorpe wrote:
On Thu, Sep 21, 2023 at 12:51:21AM -0700, Yi Liu wrote:
v4:
- Separate HWPT alloc/destroy/abort functions between user-managed HWPTs
and kernel-managed HWPTs
- Rework invalidate uAPI to be a multi-request array-based design
- Add a struct iom
On 2023/10/11 00:58, Jason Gunthorpe wrote:
On Thu, Sep 21, 2023 at 12:51:22AM -0700, Yi Liu wrote:
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 660dc1931dc9..12e12e5563e6 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -14,6 +14,7 @@
#include
#include
On 2023/9/26 14:56, Tian, Kevin wrote:
From: Yi Liu
Sent: Thursday, September 21, 2023 3:51 PM
+
+/**
+ * iommu_copy_user_data - Copy iommu driver specific user space data
+ * @dst_data: Pointer to an iommu driver specific user data that is defined
in
+ *include/uapi/linux/iommufd.h
On 2023/10/11 01:21, Jason Gunthorpe wrote:
On Thu, Sep 21, 2023 at 12:51:23AM -0700, Yi Liu wrote:
From: Lu Baolu
Introduce a new domain type for a user I/O page table, which is nested on
top of another user space address represented by a UNMANAGED
domain. The
Lets start using the world PAG
This series fixes issues observed with selftests/amd-pstate while
running performance comparison tests with different governors. First
patch changes relative paths with absolute paths and also change it
with correct paths wherever it is broken.
The second patch adds an option to provide perf binary
In selftests/amd-pstate, tbench and gitsource microbenchmarks are
used to compare the performance with different governors. In current
implementation the relative path to run `amd_pstate_tracer.py` is broken.
Fix this by using absolute paths.
Signed-off-by: Swapnil Sapkal
---
.../x86/amd_pstate_
In selftests/amd-pstate, distro `perf` is used to capture `perf stat`
while running microbenchmarks. Distro `perf` is not working with
upstream kernel. Fix this by providing an option to give the perf
binary path.
Reviewed-by: Mario Limonciello
Signed-off-by: Swapnil Sapkal
---
tools/testing/se
On 10/12/23 1:06 AM, Muhammad Usama Anjum wrote:
You have mentioned in other email that MREMAP_DONTUNMAP isn't present in
glibc older than 2.32. So including linux/mman.h solves the build error for
people having older glibc. Please add this to the description of the patch
to give the exact re
On Thu, 12 Oct 2023, Maciej Wieczór-Retman wrote:
> On 2023-10-11 at 13:40:48 -0600, Shuah wrote:
> >On 10/11/23 02:23, Maciej Wieczor-Retman wrote:
> >> Kselftest header defines multiple variadic functions that use printf
> >> along with other logic.
> >>
> >> There is no format checking for the
On Thu, Oct 12, 2023 at 05:11:09PM +0800, Yi Liu wrote:
> On 2023/10/11 00:58, Jason Gunthorpe wrote:
> > On Thu, Sep 21, 2023 at 12:51:22AM -0700, Yi Liu wrote:
> > > diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> > > index 660dc1931dc9..12e12e5563e6 100644
> > > --- a/include/linux/
Hi Palmer,
On Thu, Oct 5, 2023 at 11:35 AM Anup Patel wrote:
>
> On Tue, Oct 3, 2023 at 9:22 AM Anup Patel wrote:
> >
> > This series extends KVM RISC-V to allow Guest/VM discover and use
> > conditional operations related ISA extensions (namely XVentanaCondOps
> > and Zicond).
> >
> > To try th
On 10/12/23 01:32, Maciej Wieczór-Retman wrote:
On 2023-10-11 at 13:40:48 -0600, Shuah wrote:
On 10/11/23 02:23, Maciej Wieczor-Retman wrote:
Kselftest header defines multiple variadic functions that use printf
along with other logic.
There is no format checking for the variadic functions that
On 10/12/2023 04:32, Swapnil Sapkal wrote:
In selftests/amd-pstate, tbench and gitsource microbenchmarks are
used to compare the performance with different governors. In current
implementation the relative path to run `amd_pstate_tracer.py` is broken.
Fix this by using absolute paths.
Signed-off
Queued, thanks.
Paolo
Definition for MREMAP_DONTUNMAP is not present in glibc older than
2.32 thus throwing an undeclared error when running make on mm. Including
linux/mman.h solves the build error for people having older glibc.
Fixes: 0183d777c29a ("selftests: mm: remove duplicate unneeded defines")
Reported-by: Linu
On Tue, Oct 10, 2023 at 03:49:32PM -0300, Jason Gunthorpe wrote:
> > diff --git a/drivers/iommu/iommufd/iommufd_private.h
> > b/drivers/iommu/iommufd/iommufd_private.h
> > index 1d3b1a74e854..3e89c3d530f3 100644
> > --- a/drivers/iommu/iommufd/iommufd_private.h
> > +++ b/drivers/iommu/iommufd/iomm
On Mon, Oct 09, 2023 at 05:29:08PM +0100, Lokesh Gidra wrote:
> On Mon, Oct 9, 2023 at 5:24 PM David Hildenbrand wrote:
> >
> > On 09.10.23 18:21, Suren Baghdasaryan wrote:
> > > On Mon, Oct 9, 2023 at 7:38 AM David Hildenbrand wrote:
> > >>
> > >> On 09.10.23 08:42, Suren Baghdasaryan wrote:
> >
On Sun, Oct 08, 2023 at 11:42:27PM -0700, Suren Baghdasaryan wrote:
> From: Andrea Arcangeli
>
> Implement the uABI of UFFDIO_MOVE ioctl.
> UFFDIO_COPY performs ~20% better than UFFDIO_MOVE when the application
> needs pages to be allocated [1]. However, with UFFDIO_MOVE, if pages are
> available
On Sun, Oct 08, 2023 at 11:42:26PM -0700, Suren Baghdasaryan wrote:
> From: Andrea Arcangeli
>
> For now, folio_move_anon_rmap() was only used to move a folio to a
> different anon_vma after fork(), whereby the root anon_vma stayed
> unchanged. For that, it was sufficient to hold the folio lock w
On Sun, Oct 08, 2023 at 11:42:28PM -0700, Suren Baghdasaryan wrote:
> Add a test for new UFFDIO_MOVE ioctl which uses uffd to move source
> into destination buffer while checking the contents of both after
> remapping. After the operation the content of the destination buffer
> should match the ori
if (!strcmp(s->name, "base"))
---
base-commit: 6465e260f48790807eef06b583b38ca9789b6072
change-id: 20231012-kvm-get-reg-list-str-init-76c8ed4e19d6
Best regards,
--
Mark Brown
On Tue, Oct 10, 2023 at 01:58:44PM -0300, Jason Gunthorpe wrote:
> On Thu, Sep 21, 2023 at 12:51:22AM -0700, Yi Liu wrote:
> > diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> > index 660dc1931dc9..12e12e5563e6 100644
> > --- a/include/linux/iommu.h
> > +++ b/include/linux/iommu.h
> > @
These variables are never referenced in the code, just remove them.
Signed-off-by: zhujun2
---
tools/testing/selftests/bpf/prog_tests/atomic_bounds.c | 1 -
tools/testing/selftests/bpf/prog_tests/kfree_skb.c | 2 --
tools/testing/selftests/bpf/prog_tests/perf_branches.c | 6 +-
On Thu, Oct 12, 2023 at 6:35 PM zhujun2 wrote:
>
> These variables are never referenced in the code, just remove them.
>
> Signed-off-by: zhujun2
> ---
Why do you stubbornly keep submitting the same untested and broken
patch, ignoring the feedback ([0])? Your changes don't even compile
success
Hi all:
The core frequency is subjected to the process variation in semiconductors.
Not all cores are able to reach the maximum frequency respecting the
infrastructure limits. Consequently, AMD has redefined the concept of
maximum frequency of a part. This means that a fraction of cores can reach
amd-pstate driver also uses SCHED_MC_PRIO, so decouple the requirement
of CPU_SUP_INTEL from the dependencies to allow compilation in kernels
without Intel CPU support.
Tested-by: Oleksandr Natalenko
Reviewed-by: Mario Limonciello
Reviewed-by: Huang Rui
Signed-off-by: Meng Li
---
arch/x86/Kco
Add support for getting the highest performance to the
generic CPPC driver. This enables downstream drivers
such as amd-pstate to discover and use these values.
Please refer to the ACPI_Spec for details on continuous
performance control of CPPC.
Tested-by: Oleksandr Natalenko
Reviewed-by: Mario
amd-pstate driver utilizes the functions and data structures
provided by the ITMT architecture to enable the scheduler to
favor scheduling on cores which can be get a higher frequency
with lower voltage. We call it amd-pstate preferrred core.
Here sched_set_itmt_core_prio() is called to set priori
ACPI 6.5 section 8.4.6.1.1.1 specifies that Notify event 0x85 can be
emmitted to cause the the OSPM to re-evaluate the highest performance
register. Add support for this event.
Tested-by: Oleksandr Natalenko
Reviewed-by: Mario Limonciello
Reviewed-by: Huang Rui
Signed-off-by: Meng Li
Link:
ht
Preferred core rankings can be changed dynamically by the
platform based on the workload and platform conditions and
accounting for thermals and aging.
When this occurs, cpu priority need to be set.
Tested-by: Oleksandr Natalenko
Reviewed-by: Mario Limonciello
Reviewed-by: Wyes Karny
Reviewed-b
Introduce amd-pstate preferred core.
check preferred core state set by the kernel parameter:
$ cat /sys/devices/system/cpu/amd-pstate/prefcore
Tested-by: Oleksandr Natalenko
Reviewed-by: Wyes Karny
Reviewed-by: Mario Limonciello
Reviewed-by: Huang Rui
Signed-off-by: Meng Li
---
Documentatio
amd-pstate driver support enable/disable preferred core.
Default enabled on platforms supporting amd-pstate preferred core.
Disable amd-pstate preferred core with
"amd_prefcore=disable" added to the kernel command line.
Signed-off-by: Meng Li
Reviewed-by: Mario Limonciello
Reviewed-by: Wyes Karn
Hi all:
The core frequency is subjected to the process variation in semiconductors.
Not all cores are able to reach the maximum frequency respecting the
infrastructure limits. Consequently, AMD has redefined the concept of
maximum frequency of a part. This means that a fraction of cores can reach
amd-pstate driver also uses SCHED_MC_PRIO, so decouple the requirement
of CPU_SUP_INTEL from the dependencies to allow compilation in kernels
without Intel CPU support.
Tested-by: Oleksandr Natalenko
Reviewed-by: Mario Limonciello
Reviewed-by: Huang Rui
Signed-off-by: Meng Li
---
arch/x86/Kco
Add support for getting the highest performance to the
generic CPPC driver. This enables downstream drivers
such as amd-pstate to discover and use these values.
Please refer to the ACPI_Spec for details on continuous
performance control of CPPC.
Tested-by: Oleksandr Natalenko
Reviewed-by: Mario
amd-pstate driver utilizes the functions and data structures
provided by the ITMT architecture to enable the scheduler to
favor scheduling on cores which can be get a higher frequency
with lower voltage. We call it amd-pstate preferrred core.
Here sched_set_itmt_core_prio() is called to set priori
Preferred core rankings can be changed dynamically by the
platform based on the workload and platform conditions and
accounting for thermals and aging.
When this occurs, cpu priority need to be set.
Tested-by: Oleksandr Natalenko
Reviewed-by: Mario Limonciello
Reviewed-by: Wyes Karny
Reviewed-b
ACPI 6.5 section 8.4.6.1.1.1 specifies that Notify event 0x85 can be
emmitted to cause the the OSPM to re-evaluate the highest performance
register. Add support for this event.
Tested-by: Oleksandr Natalenko
Reviewed-by: Mario Limonciello
Reviewed-by: Huang Rui
Signed-off-by: Meng Li
Link:
ht
Introduce amd-pstate preferred core.
check preferred core state set by the kernel parameter:
$ cat /sys/devices/system/cpu/amd-pstate/prefcore
Tested-by: Oleksandr Natalenko
Reviewed-by: Wyes Karny
Reviewed-by: Mario Limonciello
Reviewed-by: Huang Rui
Signed-off-by: Meng Li
---
Documentatio
amd-pstate driver support enable/disable preferred core.
Default enabled on platforms supporting amd-pstate preferred core.
Disable amd-pstate preferred core with
"amd_prefcore=disable" added to the kernel command line.
Signed-off-by: Meng Li
Reviewed-by: Mario Limonciello
Reviewed-by: Wyes Karn
On 2023/10/12 21:39, Jason Gunthorpe wrote:
On Thu, Oct 12, 2023 at 05:11:09PM +0800, Yi Liu wrote:
On 2023/10/11 00:58, Jason Gunthorpe wrote:
On Thu, Sep 21, 2023 at 12:51:22AM -0700, Yi Liu wrote:
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 660dc1931dc9..12e12e5563e6 10
> c->name = malloc(len);
>
> + c->name[0] = '\0';
> len = 0;
> for_each_sublist(c, s) {
> if (!strcmp(s->name, "base"))
>
> ---
> base-commit: 6465e260f48790807eef06b583b38ca9789b6072
> change-id: 20231012-kvm-get-reg-list-str-init-76c8ed4e19d6
>
Other than the tag,
Reviewed-by: Andrew Jones
Thanks,
drew
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