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arm64: Enable the support of pseudo-NMIs

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Add a build option and a command line parameter to build and enable the
support of pseudo-NMIs.

Signed-off-by: Julien Thierry <julien.thierry@arm.com>
Suggested-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Julien Thierry
2019-01-31 14:59:03 +00:00
committed by Catalin Marinas
parent c25349fd3c
commit bc3c03ccb4
3 changed files with 28 additions and 1 deletions
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5
Documentation/admin-guide/kernel-parameters.txt
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@@ -1831,6 +1831,11 @@
to let secondary kernels in charge of setting up
LPIs.
irqchip.gicv3_pseudo_nmi= [ARM64]
Enables support for pseudo-NMIs in the kernel. This
requires the kernel to be built with
CONFIG_ARM64_PSEUDO_NMI.
irqfixup [HW]
When an interrupt is not handled search all handlers
for it. Intended to get systems with badly broken