From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, catalin.marinas@arm.com,
will@kernel.org
Cc: Anshuman Khandual <anshuman.khandual@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
James Morse <james.morse@arm.com>,
Jonathan Corbet <corbet@lwn.net>,
Mark Rutland <mark.rutland@arm.com>,
linux-doc@vger.kernel.org
Subject: [PATCH 0/2] arm64: errata: Workaround Cortex-A715 errata #2645198
Date: Thu, 27 Oct 2022 08:09:13 +0530 [thread overview]
Message-ID: <20221027023915.1318100-1-anshuman.khandual@arm.com> (raw)
This series adds Cortex-A715 partnumber and workarounds the errata #2645198
which gets triggered when an userspace page mapping permission changes from
executable to non-executable, corrupting both ESR_EL1/FAR_EL1 registers
when an instruction abort is taken.
This series applies on v6.1-rc1.
The errata description can be found here.
https://developer.arm.com/documentation/SDEN2148827/1000/?lang=en
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Anshuman Khandual (2):
arm64: Add Cortex-715 CPU part definition
arm64: errata: Workaround possible Cortex-A715 [ESR|FAR]_ELx corruption
Documentation/arm64/silicon-errata.rst | 2 ++
arch/arm64/Kconfig | 16 +++++++++++
arch/arm64/include/asm/cputype.h | 2 ++
arch/arm64/include/asm/hugetlb.h | 9 +++++++
arch/arm64/include/asm/pgtable.h | 24 +++++++++++++++++
arch/arm64/kernel/cpu_errata.c | 7 +++++
arch/arm64/mm/hugetlbpage.c | 37 ++++++++++++++++++++++++++
arch/arm64/tools/cpucaps | 1 +
8 files changed, 98 insertions(+)
--
2.25.1
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next reply other threads:[~2022-10-27 2:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-27 2:39 Anshuman Khandual [this message]
2022-10-27 2:39 ` [PATCH 1/2] arm64: Add Cortex-715 CPU part definition Anshuman Khandual
2022-10-27 2:39 ` [PATCH 2/2] arm64: errata: Workaround possible Cortex-A715 [ESR|FAR]_ELx corruption Anshuman Khandual
2022-11-09 19:18 ` Catalin Marinas
2022-11-10 3:15 ` Anshuman Khandual
2022-11-11 22:36 ` Catalin Marinas
2022-11-12 13:52 ` Anshuman Khandual
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