From: Reinette Chatre <reinette.chatre@intel.com>
To: Richard Cheng <icheng@nvidia.com>, <tony.luck@intel.com>,
<x86@kernel.org>, <shuah@kernel.org>, <fenghuay@nvidia.com>,
Ben Horgan <ben.horgan@arm.com>
Cc: <Dave.Martin@arm.com>, <james.morse@arm.com>,
<babu.moger@amd.com>, <linux-kernel@vger.kernel.org>,
<linux-kselftest@vger.kernel.org>, <kaihengf@nvidia.com>,
<kobak@nvidia.com>, <newtonl@nvidia.com>, <kristinc@nvidia.com>
Subject: Re: [PATCH v5 0/2] selftests/resctrl: Fix resctrl selftests issues on aarch64
Date: Mon, 12 Oct 2026 15:09:11 -0700 [thread overview]
Message-ID: <f1717846-9f29-4de8-b342-87e819978c7e@intel.com> (raw)
In-Reply-To: <20261012074729.40042-1-icheng@nvidia.com>
+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
prev parent reply other threads:[~2026-10-12 22:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-12 7:47 Richard Cheng
2026-10-12 7:47 ` [PATCH v5 1/2] selftests/resctrl: Implement cl_flush() and sb() for aarch64 Richard Cheng
2026-10-12 7:47 ` [PATCH v5 2/2] selftests/resctrl: Recognise aarch64 as a vendor for L3_NONCONT_CAT Richard Cheng
2026-10-12 22:09 ` Reinette Chatre [this message]
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