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-rw-r--r--arch/arm64/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 950a56b71ff0..b2877ed09307 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -538,6 +538,16 @@ config ARM64_ERRATUM_1286807
invalidated has been observed by other observers. The
workaround repeats the TLBI+DSB operation.
+config ARM64_ERRATUM_1319367
+ bool "Cortex-A57/A72: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
+ default y
+ help
+ This option adds work arounds for ARM Cortex-A57 erratum 1319537
+ and A72 erratum 1319367
+
+ Cortex-A57 and A72 cores could end-up with corrupted TLBs by
+ speculating an AT instruction during a guest context switch.
+
If unsure, say Y.
config ARM64_ERRATUM_1463225