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| author | Andrew Pinski <apinski@cavium.com> | 2016-02-25 04:44:57 +0300 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2016-02-26 18:14:27 +0300 |
| commit | 104a0c02e8b1936c049e18a6d4e4ab040fb61213 (patch) | |
| tree | 405d1e134395cca369a63f3580f7f98a326c406e /Documentation/arm64/arm-acpi.txt | |
| parent | 2f39b5f91eb4bccd786d194e70db1dccad784755 (diff) | |
| download | linux-104a0c02e8b1936c049e18a6d4e4ab040fb61213.tar.xz | |
arm64: Add workaround for Cavium erratum 27456
On ThunderX T88 pass 1.x through 2.1 parts, broadcast TLBI
instructions may cause the icache to become corrupted if it contains
data for a non-current ASID.
This patch implements the workaround (which invalidates the local
icache when switching the mm) by using code patching.
Signed-off-by: Andrew Pinski <apinski@cavium.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'Documentation/arm64/arm-acpi.txt')
0 files changed, 0 insertions, 0 deletions