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 75b3c43 ("arm64: errata: Expand speculative SSBS workaround") CC: Mark Rutland <[email protected]> CC: James More <[email protected]> CC: Will Deacon <[email protected]> CC: [email protected] # 6.6+ Signed-off-by: Easwar Hariharan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
sedwards · Oct 4, 2024 · 3eddb10 · 3eddb10
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diff --git 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
@@ -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),
-Original file line number
+Diff line change
@@ Expand Up / @@ -293,3 +293,5 @@ stable kernels. @@
     +----------------+-----------------+-----------------+-----------------------------+
     | Microsoft      | Azure Cobalt 100| #2253138        | ARM64_ERRATUM_2253138       |
     +----------------+-----------------+-----------------+-----------------------------+
+    | Microsoft      | Azure Cobalt 100| #3324339        | ARM64_ERRATUM_3194386       |
+    +----------------+-----------------+-----------------+-----------------------------+