From: Catalin Marinas <catalin.marinas@arm.com>
To: Shuah Khan <shuah@kernel.org>, Mark Brown <broonie@kernel.org>,
Will Deacon <will@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>
Cc: linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v2 00/10] kselftest/arm64: EXTRA_CONTEXT related fixes
Date: Tue, 6 Sep 2022 18:44:57 +0100 [thread overview]
Message-ID: <166248629287.3558870.8039810850318548542.b4-ty@arm.com> (raw)
In-Reply-To: <20220829160703.874492-1-broonie@kernel.org>
On Mon, 29 Aug 2022 17:06:53 +0100, Mark Brown wrote:
> The arm64 architecture originally made the signal context a fixed size
> structure containing a linked list of records with the various kinds of
> register and other state which may be present. When SVE was implemented
> it was realised that it supported implementations with more state than
> could fit in that structure so a new record type EXTRA_CONTEXT was
> introduced allowing the signal context to be extended beyond the
> original size. Unfortunately the signal handling tests can not cope with
> these EXTRA_CONTEXT records at all - some support was implemented but it
> simply never worked.
>
> [...]
Applied to arm64 (for-next/kselftest), thanks!
[01/10] kselftest/arm64: Enumerate SME rather than SVE vector lengths for za_regs
https://git.kernel.org/arm64/c/b3321fbd7fa2
[02/10] kselftest/arm64: Validate signal ucontext in place
https://git.kernel.org/arm64/c/b97ff4f3ad95
[03/10] kselftest/arm64: Fix validatation termination record after EXTRA_CONTEXT
https://git.kernel.org/arm64/c/909e2105c748
[04/10] kselftest/arm64: Fix validation of EXTRA_CONTEXT signal context location
https://git.kernel.org/arm64/c/a934077a3f94
[05/10] kselftest/arm64: Remove unneeded protype for validate_extra_context()
https://git.kernel.org/arm64/c/e374ab27e738
[06/10] kselftest/arm64: Only validate each signal context once
https://git.kernel.org/arm64/c/b9731674ec9c
[07/10] kselftest/arm64: Validate contents of EXTRA_CONTEXT blocks
https://git.kernel.org/arm64/c/3df95c1efeaf
[08/10] kselftest/arm64: Preserve any EXTRA_CONTEXT in handle_signal_copyctx()
https://git.kernel.org/arm64/c/91f48fb9f82b
[09/10] kselftest/arm64: Allow larger buffers in get_signal_context()
https://git.kernel.org/arm64/c/5f6539724421
[10/10] kselftest/arm64: Include larger SVE and SME VLs in signal tests
https://git.kernel.org/arm64/c/7384bddbe246
--
Catalin
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Shuah Khan <shuah@kernel.org>, Mark Brown <broonie@kernel.org>,
Will Deacon <will@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>
Cc: linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v2 00/10] kselftest/arm64: EXTRA_CONTEXT related fixes
Date: Tue, 6 Sep 2022 18:44:57 +0100 [thread overview]
Message-ID: <166248629287.3558870.8039810850318548542.b4-ty@arm.com> (raw)
In-Reply-To: <20220829160703.874492-1-broonie@kernel.org>
On Mon, 29 Aug 2022 17:06:53 +0100, Mark Brown wrote:
> The arm64 architecture originally made the signal context a fixed size
> structure containing a linked list of records with the various kinds of
> register and other state which may be present. When SVE was implemented
> it was realised that it supported implementations with more state than
> could fit in that structure so a new record type EXTRA_CONTEXT was
> introduced allowing the signal context to be extended beyond the
> original size. Unfortunately the signal handling tests can not cope with
> these EXTRA_CONTEXT records at all - some support was implemented but it
> simply never worked.
>
> [...]
Applied to arm64 (for-next/kselftest), thanks!
[01/10] kselftest/arm64: Enumerate SME rather than SVE vector lengths for za_regs
https://git.kernel.org/arm64/c/b3321fbd7fa2
[02/10] kselftest/arm64: Validate signal ucontext in place
https://git.kernel.org/arm64/c/b97ff4f3ad95
[03/10] kselftest/arm64: Fix validatation termination record after EXTRA_CONTEXT
https://git.kernel.org/arm64/c/909e2105c748
[04/10] kselftest/arm64: Fix validation of EXTRA_CONTEXT signal context location
https://git.kernel.org/arm64/c/a934077a3f94
[05/10] kselftest/arm64: Remove unneeded protype for validate_extra_context()
https://git.kernel.org/arm64/c/e374ab27e738
[06/10] kselftest/arm64: Only validate each signal context once
https://git.kernel.org/arm64/c/b9731674ec9c
[07/10] kselftest/arm64: Validate contents of EXTRA_CONTEXT blocks
https://git.kernel.org/arm64/c/3df95c1efeaf
[08/10] kselftest/arm64: Preserve any EXTRA_CONTEXT in handle_signal_copyctx()
https://git.kernel.org/arm64/c/91f48fb9f82b
[09/10] kselftest/arm64: Allow larger buffers in get_signal_context()
https://git.kernel.org/arm64/c/5f6539724421
[10/10] kselftest/arm64: Include larger SVE and SME VLs in signal tests
https://git.kernel.org/arm64/c/7384bddbe246
--
Catalin
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next prev parent reply other threads:[~2022-09-06 17:45 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-29 16:06 [PATCH v2 00/10] kselftest/arm64: EXTRA_CONTEXT related fixes Mark Brown
2022-08-29 16:06 ` Mark Brown
2022-08-29 16:06 ` [PATCH v2 01/10] kselftest/arm64: Enumerate SME rather than SVE vector lengths for za_regs Mark Brown
2022-08-29 16:06 ` Mark Brown
2022-08-29 16:06 ` [PATCH v2 02/10] kselftest/arm64: Validate signal ucontext in place Mark Brown
2022-08-29 16:06 ` Mark Brown
2022-08-29 16:06 ` [PATCH v2 03/10] kselftest/arm64: Fix validatation termination record after EXTRA_CONTEXT Mark Brown
2022-08-29 16:06 ` Mark Brown
2022-08-29 16:06 ` [PATCH v2 04/10] kselftest/arm64: Fix validation of EXTRA_CONTEXT signal context location Mark Brown
2022-08-29 16:06 ` Mark Brown
2022-08-29 16:06 ` [PATCH v2 05/10] kselftest/arm64: Remove unneeded protype for validate_extra_context() Mark Brown
2022-08-29 16:06 ` Mark Brown
2022-08-29 16:06 ` [PATCH v2 06/10] kselftest/arm64: Only validate each signal context once Mark Brown
2022-08-29 16:06 ` Mark Brown
2022-08-29 16:07 ` [PATCH v2 07/10] kselftest/arm64: Validate contents of EXTRA_CONTEXT blocks Mark Brown
2022-08-29 16:07 ` Mark Brown
2022-08-29 16:07 ` [PATCH v2 08/10] kselftest/arm64: Preserve any EXTRA_CONTEXT in handle_signal_copyctx() Mark Brown
2022-08-29 16:07 ` Mark Brown
2022-08-29 16:07 ` [PATCH v2 09/10] kselftest/arm64: Allow larger buffers in get_signal_context() Mark Brown
2022-08-29 16:07 ` Mark Brown
2022-08-29 16:07 ` [PATCH v2 10/10] kselftest/arm64: Include larger SVE and SME VLs in signal tests Mark Brown
2022-08-29 16:07 ` Mark Brown
2022-09-06 17:44 ` Catalin Marinas [this message]
2022-09-06 17:44 ` [PATCH v2 00/10] kselftest/arm64: EXTRA_CONTEXT related fixes Catalin Marinas
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