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| author | Zhou Wang <wangzhou1@hisilicon.com> | 2024-11-16 16:01:26 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-14 20:04:09 +0100 |
| commit | 9ac8c1da9f82e622cbe1d4422848c324d3706787 (patch) | |
| tree | e6b1cfe0d3c0e30d096fabae9b7d47aa182c0b5f /Documentation | |
| parent | 950210c9c721f0bd3c403680c785a40f336b5f09 (diff) | |
| download | linux-9ac8c1da9f82e622cbe1d4422848c324d3706787.tar.gz linux-9ac8c1da9f82e622cbe1d4422848c324d3706787.tar.bz2 linux-9ac8c1da9f82e622cbe1d4422848c324d3706787.zip | |
irqchip/gicv3-its: Add workaround for hip09 ITS erratum 162100801
[ Upstream commit f82e62d470cc990ebd9d691f931dd418e4e9cea9 ]
When enabling GICv4.1 in hip09, VMAPP fails to clear some caches during
the unmap operation, which can causes vSGIs to be lost.
To fix the issue, invalidate the related vPE cache through GICR_INVALLR
after VMOVP.
Suggested-by: Marc Zyngier <maz@kernel.org>
Co-developed-by: Nianyao Tang <tangnianyao@huawei.com>
Signed-off-by: Nianyao Tang <tangnianyao@huawei.com>
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/arch/arm64/silicon-errata.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/arch/arm64/silicon-errata.rst b/Documentation/arch/arm64/silicon-errata.rst index 65bfab1b1861..77db10e944f0 100644 --- a/Documentation/arch/arm64/silicon-errata.rst +++ b/Documentation/arch/arm64/silicon-errata.rst @@ -258,6 +258,8 @@ stable kernels. | Hisilicon | Hip{08,09,10,10C| #162001900 | N/A | | | ,11} SMMU PMCG | | | +----------------+-----------------+-----------------+-----------------------------+ +| Hisilicon | Hip09 | #162100801 | HISILICON_ERRATUM_162100801 | ++----------------+-----------------+-----------------+-----------------------------+ +----------------+-----------------+-----------------+-----------------------------+ | Qualcomm Tech. | Kryo/Falkor v1 | E1003 | QCOM_FALKOR_ERRATUM_1003 | +----------------+-----------------+-----------------+-----------------------------+ |