6.6-stable review patch. If anyone has any objections, please let me know.
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From: Easwar Hariharan eahariha@linux.microsoft.com
commit 3eddb108abe3de6723cc4b77e8558ce1b3047987 upstream.
Add the Microsoft Azure Cobalt 100 CPU to the list of CPUs suffering from erratum 3194386 added in commit 75b3c43eab59 ("arm64: errata: Expand speculative SSBS workaround")
CC: Mark Rutland mark.rutland@arm.com CC: James More james.morse@arm.com CC: Will Deacon will@kernel.org CC: stable@vger.kernel.org # 6.6+ Signed-off-by: Easwar Hariharan eahariha@linux.microsoft.com Link: https://lore.kernel.org/r/20241003225239.321774-1-eahariha@linux.microsoft.c... Signed-off-by: Catalin Marinas catalin.marinas@arm.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- Documentation/arch/arm64/silicon-errata.rst | 2 ++ arch/arm64/kernel/cpu_errata.c | 1 + 2 files changed, 3 insertions(+)
--- a/Documentation/arch/arm64/silicon-errata.rst +++ b/Documentation/arch/arm64/silicon-errata.rst @@ -280,3 +280,5 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | Microsoft | Azure Cobalt 100| #2253138 | ARM64_ERRATUM_2253138 | +----------------+-----------------+-----------------+-----------------------------+ +| Microsoft | Azure Cobalt 100| #3324339 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -463,6 +463,7 @@ static const struct midr_range erratum_s MIDR_ALL_VERSIONS(MIDR_CORTEX_X3), MIDR_ALL_VERSIONS(MIDR_CORTEX_X4), MIDR_ALL_VERSIONS(MIDR_CORTEX_X925), + MIDR_ALL_VERSIONS(MIDR_MICROSOFT_AZURE_COBALT_100), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1),