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author | Marc Zyngier <maz@kernel.org> | 2020-07-16 17:11:10 +0100 |
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committer | Will Deacon <will@kernel.org> | 2020-09-29 16:08:03 +0100 |
commit | 39533e12063be7f55e3d6ae21ffe067799d542a4 (patch) | |
tree | 1fb641a394750ecc94f49deea972bf3b25f570e0 /kernel/power | |
parent | 18fce56134c987e5b4eceddafdbe4b00c07e2ae1 (diff) |
arm64: Run ARCH_WORKAROUND_2 enabling code on all CPUs
Commit 606f8e7b27bf ("arm64: capabilities: Use linear array for
detection and verification") changed the way we deal with per-CPU errata
by only calling the .matches() callback until one CPU is found to be
affected. At this point, .matches() stop being called, and .cpu_enable()
will be called on all CPUs.
This breaks the ARCH_WORKAROUND_2 handling, as only a single CPU will be
mitigated.
In order to address this, forcefully call the .matches() callback from a
.cpu_enable() callback, which brings us back to the original behaviour.
Fixes: 606f8e7b27bf ("arm64: capabilities: Use linear array for detection and verification")
Cc: <stable@vger.kernel.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'kernel/power')
0 files changed, 0 insertions, 0 deletions