linux-kernel - Re: [PATCH v10 37/40] kselftest/arm64: Add GCS signal tests

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Message-ID: <87bk24dkpc.fsf@linaro.org>
Date: Wed, 07 Aug 2024 19:36:31 -0300
From: Thiago Jung Bauermann <thiago.bauermann@...aro.org>
To: Mark Brown <broonie@...nel.org>
Cc: Catalin Marinas <catalin.marinas@....com>,  Will Deacon
 <will@...nel.org>,  Jonathan Corbet <corbet@....net>,  Andrew Morton
 <akpm@...ux-foundation.org>,  Marc Zyngier <maz@...nel.org>,  Oliver Upton
 <oliver.upton@...ux.dev>,  James Morse <james.morse@....com>,  Suzuki K
 Poulose <suzuki.poulose@....com>,  Arnd Bergmann <arnd@...db.de>,  Oleg
 Nesterov <oleg@...hat.com>,  Eric Biederman <ebiederm@...ssion.com>,
  Shuah Khan <shuah@...nel.org>,  "Rick P. Edgecombe"
 <rick.p.edgecombe@...el.com>,  Deepak Gupta <debug@...osinc.com>,  Ard
 Biesheuvel <ardb@...nel.org>,  Szabolcs Nagy <Szabolcs.Nagy@....com>,
  Kees Cook <kees@...nel.org>,  "H.J. Lu" <hjl.tools@...il.com>,  Paul
 Walmsley <paul.walmsley@...ive.com>,  Palmer Dabbelt <palmer@...belt.com>,
  Albert Ou <aou@...s.berkeley.edu>,  Florian Weimer <fweimer@...hat.com>,
  Christian Brauner <brauner@...nel.org>,  Ross Burton
 <ross.burton@....com>,  linux-arm-kernel@...ts.infradead.org,
  linux-doc@...r.kernel.org,  kvmarm@...ts.linux.dev,
  linux-fsdevel@...r.kernel.org,  linux-arch@...r.kernel.org,
  linux-mm@...ck.org,  linux-kselftest@...r.kernel.org,
  linux-kernel@...r.kernel.org,  linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v10 37/40] kselftest/arm64: Add GCS signal tests

Mark Brown <broonie@...nel.org> writes:

> Do some testing of the signal handling for GCS, checking that a GCS
> frame has the expected information in it and that the expected signals
> are delivered with invalid operations.
>
> Reviewed-by: Thiago Jung Bauermann <thiago.bauermann@...aro.org>
> Signed-off-by: Mark Brown <broonie@...nel.org>
> ---
>  tools/testing/selftests/arm64/signal/.gitignore    |  1 +
>  .../selftests/arm64/signal/test_signals_utils.h    | 10 +++
>  .../arm64/signal/testcases/gcs_exception_fault.c   | 62 +++++++++++++++
>  .../selftests/arm64/signal/testcases/gcs_frame.c   | 88 ++++++++++++++++++++++
>  .../arm64/signal/testcases/gcs_write_fault.c       | 67 ++++++++++++++++
>  5 files changed, 228 insertions(+)

The gcs_exception_fault, gcs_frame and gcs_write_fault tests pass on my
FVP setup:

Tested-by: Thiago Jung Bauermann <thiago.bauermann@...aro.org>

-- 
Thiago