diff options
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index b55c11796fad..1d1b5c0b157c 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -891,13 +891,17 @@ config CAVIUM_ERRATUM_23144 If unsure, say Y. config CAVIUM_ERRATUM_23154 - bool "Cavium erratum 23154: Access to ICC_IAR1_EL1 is not sync'ed" + bool "Cavium errata 23154 and 38545: GICv3 lacks HW synchronisation" default y help - The gicv3 of ThunderX requires a modified version for + The ThunderX GICv3 implementation requires a modified version for reading the IAR status to ensure data synchronization (access to icc_iar1_el1 is not sync'ed before and after). + It also suffers from erratum 38545 (also present on Marvell's + OcteonTX and OcteonTX2), resulting in deactivated interrupts being + spuriously presented to the CPU interface. + If unsure, say Y. config CAVIUM_ERRATUM_27456 |