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kpatch-build: Add "CONFIG_DEBUG_KERNEL" kernel config checking

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While the officially supported distributions all have
CONFIG_DEBUG_KERNEL enabled, this is not true for some other
distributions.
This option is necessary when kpatch-build retrieves the
SPECIAL_VARS using readelf command.

Signed-off-by: Quey-Liang Kao <s101062801@m101.nthu.edu.tw>
This commit is contained in:
Quey-Liang Kao 2016-05-03 04:49:30 +08:00
parent 8256149124
commit f4686ee7df
1 changed files with 2 additions and 0 deletions
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2
kpatch-build/kpatch-build
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@ -448,6 +448,8 @@ else
fi
fi
# kernel option checking: CONFIG_DEBUG_KERNEL and CONFIG_LIVEPATCH
grep -q "CONFIG_DEBUG_KERNEL=y" "$OBJDIR/.config" || die "kernel doesn't have 'CONFIG_DEBUG_KERNEL' enabled"
if grep "CONFIG_LIVEPATCH=y" "$OBJDIR/.config" > /dev/null; then
# The kernel supports livepatch.
KBUILD_EXTRA_SYMBOLS=""