path: root/arch/arm64
diff options
authorGanapatrao Kulkarni <>2016-05-25 15:29:20 +0200
committerMarc Zyngier <>2016-06-02 18:01:07 +0100
commitfbf8f40e1658cb2f17452dbd3c708e329c5d27e0 (patch)
treee8602c06525eb7d69a4f99b71fe6a4e7f9c36dde /arch/arm64
parentcf1d9d11e25053a264c0001aa86be7680bb1ecc1 (diff)
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 <> Signed-off-by: Ganapatrao Kulkarni <> Signed-off-by: Robert Richter <> Signed-off-by: Marc Zyngier <>
Diffstat (limited to 'arch/arm64')
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