linux-kernel - Re: [PATCH 0/3] kselftest/arm64: Update sve-ptrace for ABI changes

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Message-ID: <aDRBHDJZyXnic6i7@J2N7QTR9R3>
Date: Mon, 26 May 2025 11:23:24 +0100
From: Mark Rutland <mark.rutland@....com>
To: Mark Brown <broonie@...nel.org>
Cc: Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Shuah Khan <shuah@...nel.org>,
	Shuah Khan <skhan@...uxfoundation.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] kselftest/arm64: Update sve-ptrace for ABI changes

On Fri, May 23, 2025 at 04:27:11PM +0100, Mark Brown wrote:
> Mark Rutland's recent SME fixes updated the SME ABI to reject any
> attempt to write FPSIMD register data via the streaming mode SVE
> register set but did not update the sve-ptrace test to take account of
> this, resulting in spurious failures.  Update the test for this, and
> also fix another preexisting issue I noticed while looking at this.

For the sake of the mail archive, that series of fixes was:

  https://lore.kernel.org/linux-arm-kernel/20250508132644.1395904-1-mark.rutland@arm.com/

Evidently I only fixed up the fpsimd-ptrace tests, and missed the
sve-ptrace tests. My bad; sorry about that.

Mark.

> 
> Signed-off-by: Mark Brown <broonie@...nel.org>
> ---
> Mark Brown (3):
>       kselftest/arm64: Fix check for setting new VLs in sve-ptrace
>       kselftest/arm64: Fix test for streaming FPSIMD write in sve-ptrace
>       kselftest/arm64: Specify SVE data when testing VL set in sve-ptrace
> 
>  tools/testing/selftests/arm64/fp/sve-ptrace.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> ---
> base-commit: 1c1abfd151c824698830ee900cc8d9f62e9a5fbb
> change-id: 20250523-kselftest-arm64-ssve-fixups-b68ae61c1ebf
> 
> Best regards,
> -- 
> Mark Brown <broonie@...nel.org>
>