Include "kheaders" and build a kernel-devel RPM #557
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bcressey
approved these changes
Nov 27, 2019
tjkirch
approved these changes
Dec 2, 2019
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iliana
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Dec 4, 2019
packages/kernel/0008-Backport-sys-kheaders.tar.xz-feature.patch
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Backport the "kheaders" functionality from upstream which adds /sys/kernels/kheaders.tar.xz, an archive of the current kernel headers. While this doesn't support out-of-tree module building, for BPF probes that only need the current kernel headers it is sufficient. Signed-off-by: Samuel Mendoza-Jonas <[email protected]>
When building the kernel also create a 'kernel-devel' RPM which includes the configured kernel source tree and extra artifacts to support building out-of-tree modules. This is not included in the Thar image, but is instead intended to be downloaded later on a running instance via a TUF target, for example. Based off a similar script provided by Ben Cressey <[email protected]> Signed-off-by: Samuel Mendoza-Jonas <[email protected]>
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Updated with the kheaders patches split out individually. |
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Issue #, if available:
#454
Description of changes:
This includes two changes, one to the Thar image and one that produces an extra build artifact.
/sys/kernel/kheaders.tar.xzwhich provides an archive of (just) the current kernel header filesBy submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.
Tested by launching an instance and unpacking the kernel headers. Module building tested by building a module and eBPF probe against the RPM contents and running it on Thar.