From: Easwar Hariharan Date: Thu, 3 Oct 2024 22:52:35 +0000 (+0000) Subject: arm64: Subscribe Microsoft Azure Cobalt 100 to erratum 3194386 X-Git-Url: https://git.dujemihanovic.xyz/?a=commitdiff_plain;h=3eddb108abe3de6723cc4b77e8558ce1b3047987;p=linux.git arm64: Subscribe Microsoft Azure Cobalt 100 to erratum 3194386 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 CC: James More CC: Will Deacon CC: stable@vger.kernel.org # 6.6+ Signed-off-by: Easwar Hariharan Link: https://lore.kernel.org/r/20241003225239.321774-1-eahariha@linux.microsoft.com Signed-off-by: Catalin Marinas --- diff --git a/Documentation/arch/arm64/silicon-errata.rst b/Documentation/arch/arm64/silicon-errata.rst index ae45a409f76f..65bfab1b1861 100644 --- a/Documentation/arch/arm64/silicon-errata.rst +++ b/Documentation/arch/arm64/silicon-errata.rst @@ -293,3 +293,5 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | Microsoft | Azure Cobalt 100| #2253138 | ARM64_ERRATUM_2253138 | +----------------+-----------------+-----------------+-----------------------------+ +| Microsoft | Azure Cobalt 100| #3324339 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index d9b9ec2bd6ff..a78f247029ae 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -448,6 +448,7 @@ static const struct midr_range erratum_spec_ssbs_list[] = { 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_N3),