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From: Christian Loehle <christian.loehle@arm.com>
To: Shuah Khan <shuah@kernel.org>,
	linux-kselftest@vger.kernel.org,
	Thomas Gleixner <tglx@kernel.org>
Cc: Rama Krishna Katta <ramakrishna.katta@arm.com>,
	Thomas Gleixner <tglx@kernel.org>,
	Gregory Price <gourry.memverge@gmail.com>,
	Kees Cook <kees@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@kernel.org>,
	Gabriel Krisman Bertazi <krisman@collabora.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] selftests: Skip SUD tests when unsupported
Date: Mon, 21 Sep 2026 12:34:45 +0100	[thread overview]
Message-ID: <7a65fc72-7f9b-418a-ad26-a2cfac1d4898@arm.com> (raw)
In-Reply-To: <777919b3-5935-4f1d-b642-e1e56f5a82f8@arm.com>

On 9/13/26 11:24, Christian Loehle wrote:
> On 8/26/26 15:56, Christian Loehle wrote:
>> On 8/17/26 12:16, Christian Loehle wrote:
>>> Syscall User Dispatch (SUD) is unavailable on architectures without
>>> generic syscall entry. Such architectures return -EINVAL for otherwise
>>> valid SUD prctl and ptrace requests, which the SUD selftests currently
>>> report as failures.
>>>
>>> Probe SUD with a valid disabled configuration and skip the affected tests
>>> when that probe returns EINVAL. Unexpected errors remain failures, and the
>>> existing coverage is unchanged on kernels that support SUD.
>>>
>>> Christian Loehle (3):
>>>   selftests/ptrace: Skip get_set_sud if SUD is unsupported
>>>   selftests/syscall_user_dispatch: Skip tests if SUD is unsupported
>>>   selftests/syscall_user_dispatch: Skip benchmark if SUD is unsupported
>>>
>>>  tools/testing/selftests/ptrace/get_set_sud.c  |  8 +++++
>>>  .../syscall_user_dispatch/sud_benchmark.c     |  9 +++++
>>>  .../syscall_user_dispatch/sud_test.c          | 36 +++++++++++++++++++
>>>  3 files changed, 53 insertions(+)
>>>
>>>
>>> base-commit: 8d3ae59288f1e7d58d76558a6ee96d533bc5019f
>>
>> Gentle ping on this
> 
> Another gentle ping, this should have all the reviews to land, right?

Shuah, Thomas,
Either of you mind picking this up in either kselftest or core/entry?

Thanks!
Christian

  reply	other threads:[~2026-09-21 11:34 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-17 11:16 Christian Loehle
2026-08-17 11:16 ` [PATCH 1/3] selftests/ptrace: Skip get_set_sud if SUD is unsupported Christian Loehle
2026-08-26 21:58   ` Gregory Price
2026-08-17 11:16 ` [PATCH 2/3] selftests/syscall_user_dispatch: Skip tests " Christian Loehle
2026-08-26 22:00   ` Gregory Price
2026-08-17 11:16 ` [PATCH 3/3] selftests/syscall_user_dispatch: Skip benchmark " Christian Loehle
2026-08-26 22:01   ` Gregory Price
2026-08-26 14:56 ` [PATCH 0/3] selftests: Skip SUD tests when unsupported Christian Loehle
2026-09-13 10:24   ` Christian Loehle
2026-09-21 11:34     ` Christian Loehle [this message]
2026-09-04 16:45 ` Gabriel Krisman Bertazi

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