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| author | Ganapatrao Kulkarni <gkulkarni@caviumnetworks.com> | 2016-05-25 15:29:20 +0200 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2016-06-02 18:01:07 +0100 |
| commit | fbf8f40e1658cb2f17452dbd3c708e329c5d27e0 (patch) | |
| tree | e8602c06525eb7d69a4f99b71fe6a4e7f9c36dde /arch | |
| parent | cf1d9d11e25053a264c0001aa86be7680bb1ecc1 (diff) | |
| download | linux-fbf8f40e1658cb2f17452dbd3c708e329c5d27e0.tar.bz2 | |
irqchip/gicv3-its: numa: Enable workaround for Cavium thunderx erratum 23144
The erratum fixes the hang of ITS SYNC command by avoiding inter node
io and collections/cpu mapping on thunderx dual-socket platform.
This fix is only applicable for Cavium's ThunderX dual-socket platform.
Reviewed-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Ganapatrao Kulkarni <gkulkarni@caviumnetworks.com>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 76747d92bc72..57a9f67971d3 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -426,6 +426,15 @@ config CAVIUM_ERRATUM_22375 If unsure, say Y. +config CAVIUM_ERRATUM_23144 + bool "Cavium erratum 23144: ITS SYNC hang on dual socket system" + depends on NUMA + default y + help + ITS SYNC command hang for cross node io and collections/cpu mapping. + + If unsure, say Y. + config CAVIUM_ERRATUM_23154 bool "Cavium erratum 23154: Access to ICC_IAR1_EL1 is not sync'ed" default y |