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kernel: Verify kernel config

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Since we supply a full .config file we can check that after
make defconfig/oldconfig it hasn't changed. This should catch
cases where a config option has changed between releases.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer 2017-08-20 11:05:35 +01:00
parent 72ed2b3a06
commit 9362de0adb
1 changed files with 14 additions and 13 deletions
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27
kernel/Dockerfile
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@ -57,7 +57,15 @@ RUN curl -fsSLO ${KERNEL_SHA256_SUMS} && \
gpg2 --verify linux-${KERNEL_VERSION}.tar.sign linux-${KERNEL_VERSION}.tar && \
cat linux-${KERNEL_VERSION}.tar | tar --absolute-names -x && mv /linux-${KERNEL_VERSION} /linux
# When using COPY with more than one source file, the destination must be a directory and end with a /
# Apply local patches
COPY patches-${KERNEL_SERIES} /patches
WORKDIR /linux
RUN set -e && for patch in /patches/*.patch; do \
echo "Applying $patch"; \
patch -p1 < "$patch"; \
done
# Kernel config
COPY kernel_config-${KERNEL_SERIES}* /linux/
COPY kernel_config.debug /linux/debug_config
@ -74,22 +82,15 @@ RUN case $(uname -m) in \
sed -i 's/CONFIG_PANIC_ON_OOPS=y/# CONFIG_PANIC_ON_OOPS is not set/' ${KERNEL_DEF_CONF}; \
cat /linux/debug_config >> ${KERNEL_DEF_CONF}; \
fi && \
rm /linux/kernel_config-${KERNEL_SERIES}*
# Apply local patches
COPY patches-${KERNEL_SERIES} /patches
WORKDIR /linux
RUN set -e && for patch in /patches/*.patch; do \
echo "Applying $patch"; \
patch -p1 < "$patch"; \
done
rm /linux/kernel_config-${KERNEL_SERIES}* && \
make defconfig && \
make oldconfig && \
diff .config ${KERNEL_DEF_CONF}
RUN mkdir /out
# Kernel
RUN make defconfig && \
make oldconfig && \
make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie" && \
RUN make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie" && \
case $(uname -m) in \
x86_64) \
cp arch/x86_64/boot/bzImage /out/kernel; \