linux-kernel - [PATCH v3 0/2] arm64: Add decode of ISS2 to data abort reports

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Message-Id: <20230417-arm64-iss2-dabt-decode-v3-0-c1fa503e503a@kernel.org>
Date:   Thu, 11 May 2023 15:05:13 +0900
From:   Mark Brown <broonie@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH v3 0/2] arm64: Add decode of ISS2 to data abort reports

We provide fairly detailed decode of ESR for data aborts but do not
currently cover the information reported in ISS2 which has had quite a
bit of additional information added to it by recent architecture
extensions.  Add decode for this information to aid in debugging, for
completeness including features we don't actually use yet.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
Changes in v3:
- Correct ISS->ISS2 typo.
- Link to v2: https://lore.kernel.org/r/20230417-arm64-iss2-dabt-decode-v2-0-84e1c1463d30@kernel.org

Changes in v2:
- Rebase onto v6.4-rc1.
- Link to v1: https://lore.kernel.org/r/20230417-arm64-iss2-dabt-decode-v1-0-2138b5668777@kernel.org

---
Mark Brown (2):
      arm64/esr: Use GENMASK() for the ISS mask
      arm64/esr: Add decode of ISS2 to data abort reporting

 arch/arm64/include/asm/esr.h | 19 ++++++++++++++++++-
 arch/arm64/mm/fault.c        | 17 ++++++++++++++---
 2 files changed, 32 insertions(+), 4 deletions(-)
---
base-commit: ac9a78681b921877518763ba0e89202254349d1b
change-id: 20230417-arm64-iss2-dabt-decode-ec9b46c98a91

Best regards,
-- 
Mark Brown,,, <broonie@...nel.org>