Re: [PATCH v5 0/2] selftests/resctrl: Fix resctrl selftests issues on aarch64

[Reinette Chatre]

+Ben

Hi Everybody,

Could the Arm/MPAM folks please consider this series?

Thank you very much.

Reinette

On 10/12/26 12:47 AM, Richard Cheng wrote:
> This series fixes issues in the resctrl selftests on aarch64,
> where they currently misreport failures.
> 
> Patch 1 adds aarch64 implementations of cl_flush() and sb() in
> fill_buf.c so cache flushes are no longer silent no-ops.
> 
> Patch 2 teaches detect_vendor() about aarch64 (which exposes no
> vendor_id in /proc/cpuinfo) and lets arch_supports_noncont_cat()
> return true for ARM, fixing spurious L3_NONCONT_CAT failures.
> 
> Changes since v4:
> - Drop v4 patch 1/3, which was applied to linux-kselftest/next.
> - Rebase the remaining patches onto linux-kselftest/next and
>   renumber v4 patches 2/3 and 3/3 as patches 1/2 and 2/2.
>   No code changes to the remaining patches.
> 
> Richard Cheng (2):
>   selftests/resctrl: Implement cl_flush() and sb() for aarch64
>   selftests/resctrl: Recognise aarch64 as a vendor for L3_NONCONT_CAT
> 
>  tools/testing/selftests/resctrl/cat_test.c    |  9 ++++++--
>  tools/testing/selftests/resctrl/fill_buf.c    | 11 ++++++++++
>  tools/testing/selftests/resctrl/resctrl.h     |  1 +
>  .../testing/selftests/resctrl/resctrl_tests.c | 21 +++++++++++++++++++
>  4 files changed, 40 insertions(+), 2 deletions(-)
> 
> 
> base-commit: 30af56a227e27b892d34bc44c23298b5274913e3