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Add support for 5.0.x kernels and update to 4.20.15/4.19.28 #3305

merged 11 commits into from Mar 18, 2019


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rn commented Mar 10, 2019

Add support for building 5.x kernels and add 5.0.1/ 4.20.15/4.19.28 kernels


rn added some commits Mar 10, 2019

kernel: Add support for building v5.x kernels
Signed-off-by: Rolf Neugebauer <>
kernel: Support v5.x kernels in kconfig build
Signed-off-by: Rolf Neugebauer <>
kernel: Remove fetch target
This target allowed to locally download the kernel source
tar balls. We haven't used this foir a while and adding
v5.x kernel support for it would add yet another conditional.

Remove it to keep the Makefile simpler.

Signed-off-by: Rolf Neugebauer <>
kernel: Add support for the v5.0.x kernel
The kernel config files are 4.20.x config files run through
make oldconfig for the 5.0 kernel.

Signed-off-by: Rolf Neugebauer <>
kernel: Update to 4.20.15/4.19.28
Signed-off-by: Rolf Neugebauer <>
Updates YAMLs to latest kernels
Signed-off-by: Rolf Neugebauer <>
tests: Add tests for the 5.0.x kernel
Signed-off-by: Rolf Neugebauer <>

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rn commented Mar 11, 2019

The kernel config test failed for 5.0.x with:

[+ 38m 09s] [STDERR  ] 2019-03-11T00:10:26.669505716Z: FAILURE: CONFIG_CC_STACKPROTECTOR_STRONG=y
[+ 38m 09s] [STDERR  ] 2019-03-11T00:10:26.669520043Z: FAILURE: CONFIG_DEBUG_RODATA=y
[+ 38m 09s] [STDERR  ] 2019-03-11T00:10:26.669533373Z: FAILURE: CONFIG_DEBUG_SET_MODULE_RONX=y
[+ 38m 09s] [STDERR  ] 2019-03-11T00:10:26.669568697Z: kernel config test failed!

rn added some commits Mar 17, 2019

tests: Adjust kernel config test for 5.x kernel
Many places where checking for -ge 4 and some minor version.
This will fail for 5.x kernels if their minor version is less.
Fix it.

While at it, also restructure/simplify the code, make it easier
to run against arbitrary kernel configs, and tidy up some

Signed-off-by: Rolf Neugebauer <>
tests: Use latest moby kernel config test
Signed-off-by: Rolf Neugebauer <>

@rn rn force-pushed the rn:kern-up branch from a466374 to 500c79b Mar 17, 2019

rn added some commits Mar 17, 2019

tests: Skip Moby kernel config checks on 5.x
See moby/moby#38887
for details. Basically 5.x removed support for
CFQ with f382fb0bcef4 ("block: remove legacy IO
schedulers") and the Moby check still requires it.

Signed-off-by: Rolf Neugebauer <>
tests: Update kernel-config check image
Signed-off-by: Rolf Neugebauer <>

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rn commented Mar 17, 2019

@justincormack I had to chance the kernel config check script quite a bit, would be good to have another pair of eyes on that change.

Also had to disable the docker/moby kernel config check because CFQ is no longer in 5.x moby/moby#38887 (also see #3308 which I will pick up with the next update)


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justincormack commented Mar 18, 2019

Yeah the kernel checks are starting to look very ugly... maybe there is a better way. Will take a look at the moby check script, it looks like BFQ is fine.

@justincormack justincormack merged commit 26e8a72 into linuxkit:master Mar 18, 2019

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