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kernel-yocto: allow cfg fragments to be specified as required

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When .scc files are used, a configuration fragment can be declared
as "hardware" (required) or "non-hardware" (optional).

By default the configuration audit only warns about hardware
options. We can extend that default level of auditing to configuration
fragments that are on the SRC_URI or in KERNEL_FEATURES by
adding the ability to put a specifier after the fragment.

 i.e. KERNEL_FEATURES:append = 'hardening.config:required'

This is particular useful for fragments that are outside of
the kernel-cache (in a layer, in a kernel tree, etc)

(From OE-Core rev: 0a84a3dd00543adffdef4fcf5381faab2984541e)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Bruce Ashfield
2024-11-06 21:29:08 -05:00
committed by Richard Purdie
parent 772c998f84
commit 5ed4e3558e
1 changed files with 4 additions and 1 deletions
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5
meta/classes-recipe/kernel-yocto.bbclass
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@@ -271,6 +271,9 @@ do_kernel_metadata() {
KERNEL_FEATURES_FINAL=""
if [ -n "${KERNEL_FEATURES}" ]; then
for feature in ${KERNEL_FEATURES}; do
feature_as_specified="$feature"
feature="$(echo $feature_as_specified | cut -d: -f1)"
feature_specifier="$(echo $feature_as_specified | cut -d: -f2)"
feature_found=f
for d in $includes; do
path_to_check=$(echo $d | sed 's/^-I//')
@@ -288,7 +291,7 @@ do_kernel_metadata() {
bbfatal_log "Set KERNEL_DANGLING_FEATURES_WARN_ONLY to ignore this issue"
fi
else
KERNEL_FEATURES_FINAL="$KERNEL_FEATURES_FINAL $feature"
KERNEL_FEATURES_FINAL="$KERNEL_FEATURES_FINAL $feature_as_specified"
fi
done
fi