Patch "[PATCH 119/135] irqchip/gicv3-its: numa: Enable workaround for Cavium" has been added to the 4.4-stable tree
This is a note to let you know that I've just added the patch titled
[PATCH 119/135] irqchip/gicv3-its: numa: Enable workaround for Cavium
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
0119-irqchip-gicv3-its-numa-Enable-workaround-for-Cavium-.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
b14ba5d5101017dddc1b569f310d52eaa27f7acfMon Sep 17 00:00:00 2001
From: Ganapatrao Kulkarni <[email protected]>
Date: Wed, 25 May 2016 15:29:20 +0200
Subject: [PATCH 119/135] irqchip/gicv3-its: numa: Enable workaround for Cavium
thunderx erratum 23144
[ Upstream commit fbf8f40e1658cb2f17452dbd3c708e329c5d27e0 ]
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.
--- arch/arm64/Kconfig | 9 +++++++ drivers/irqchip/irq-gic-v3-its.c | 49 +++++++++++++++++++++++++++++++++++++-- 2 files changed, 56 insertions(+), 2 deletions(-)
arch/arm64/Kconfig +9 -0
@@ -391,6 +391,15 @@ 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
drivers/irqchip/irq-gic-v3-its.c +47 -2
103 lines not on this page · raw message
Patches currently in stable-queue which might be from [email protected] are
queue-4.4/0119-irqchip-gicv3-its-numa-Enable-workaround-for-Cavium-.patch