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| author | David Daney <david.daney@cavium.com> | 2017-06-09 12:49:48 +0100 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-06-15 09:45:04 +0100 |
| commit | 690a341577f9adf2c275ababe0dcefe91898bbf0 (patch) | |
| tree | 1a39e66e7e4756444bdf8e7bc8b22cbc01095fe6 /Documentation/arm64 | |
| parent | e982276d8f5c974b838fb22ba8d592feb039a544 (diff) | |
| download | lwn-690a341577f9adf2c275ababe0dcefe91898bbf0.tar.gz lwn-690a341577f9adf2c275ababe0dcefe91898bbf0.zip | |
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.txt | 1 |
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 | | | | | | |