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arm/recipes-kernel: Add preempt-rt support for generic-arm64

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Add kernel configuration necessary to build an image with preempt-rt
support for generic-arm64.

And tweak kernel configuration for preempt-rt kernel.

Signed-off-by: Robbie Cao <robbie.cao@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>
This commit is contained in:
Robbie Cao
2023-08-08 11:57:52 +08:00
committed by Jon Mason
parent 821fa15a73
commit 85b0e80e7d
2 changed files with 11 additions and 0 deletions
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4
meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt-tweaks.cfg Normal file
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@@ -0,0 +1,4 @@
# These configurations have a dependency on !PREEMPT_RT. Set them to `n` to
# avoid complain when do_kernel_configcheck.
CONFIG_LEDS_TRIGGER_CPU=n
CONFIG_TRANSPARENT_HUGEPAGE=n

7
meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt.scc Normal file
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define KMACHINE generic-arm64
define KTYPE preempt-rt
define KARCH arm64
kconf hardware generic-arm64-preempt-rt-tweaks.cfg
include ktypes/preempt-rt/preempt-rt.scc
include features/bluetooth/bluetooth.scc