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authorDavid Daney <david.daney@cavium.com>2017-06-09 14:49:48 +0300
committerMarc Zyngier <marc.zyngier@arm.com>2017-06-15 11:45:04 +0300
commit690a341577f9adf2c275ababe0dcefe91898bbf0 (patch)
tree1a39e66e7e4756444bdf8e7bc8b22cbc01095fe6 /Documentation/arm64
parente982276d8f5c974b838fb22ba8d592feb039a544 (diff)
downloadlinux-690a341577f9adf2c275ababe0dcefe91898bbf0.tar.xz
arm64: Add workaround for Cavium Thunder erratum 30115
Some Cavium Thunder CPUs suffer a problem where a KVM guest may inadvertently cause the host kernel to quit receiving interrupts. Use the Group-0/1 trapping in order to deal with it. [maz]: Adapted patch to the Group-0/1 trapping, reworked commit log Tested-by: Alexander Graf <agraf@suse.de> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <cdall@linaro.org>
Diffstat (limited to 'Documentation/arm64')
-rw-r--r--Documentation/arm64/silicon-errata.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt
index 10f2dddbf449..f5f93dca54b7 100644
--- a/Documentation/arm64/silicon-errata.txt
+++ b/Documentation/arm64/silicon-errata.txt
@@ -62,6 +62,7 @@ stable kernels.
| Cavium | ThunderX GICv3 | #23154 | CAVIUM_ERRATUM_23154 |
| Cavium | ThunderX Core | #27456 | CAVIUM_ERRATUM_27456 |
| Cavium | ThunderX SMMUv2 | #27704 | N/A |
+| Cavium | ThunderX Core | #30115 | CAVIUM_ERRATUM_30115 |
| | | | |
| Freescale/NXP | LS2080A/LS1043A | A-008585 | FSL_ERRATUM_A008585 |
| | | | |