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-rw-r--r--meta/classes/kernel-module-split.bbclass2
-rw-r--r--meta/classes/kernel.bbclass30
-rw-r--r--meta/classes/module-base.bbclass12
-rw-r--r--meta/classes/module.bbclass2
-rw-r--r--meta/conf/bitbake.conf3
-rw-r--r--meta/recipes-kernel/linux/kernel-devsrc.bb14
-rw-r--r--meta/recipes-kernel/lttng/lttng-modules_2.5.2.bb2
-rw-r--r--meta/recipes-kernel/perf/perf.bb2
8 files changed, 46 insertions, 21 deletions
diff --git a/meta/classes/kernel-module-split.bbclass b/meta/classes/kernel-module-split.bbclass
index 9a95b72..2d43b51 100644
--- a/meta/classes/kernel-module-split.bbclass
+++ b/meta/classes/kernel-module-split.bbclass
@@ -70,7 +70,7 @@ python split_kernel_module_packages () {
m = kerverrexp.match(kernelver)
if m:
kernelver_stripped = m.group(1)
- staging_kernel_dir = d.getVar("STAGING_KERNEL_DIR", True)
+ staging_kernel_dir = d.getVar("STAGING_KERNEL_BUILDDIR", True)
system_map_file = "%s/boot/System.map-%s" % (dvar, kernelver)
if not os.path.exists(system_map_file):
system_map_file = "%s/System.map-%s" % (staging_kernel_dir, kernelver)
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 78c8c7c..a60de8c 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -230,28 +230,33 @@ kernel_do_install() {
[ -e Module.symvers ] && install -m 0644 Module.symvers ${D}/boot/Module.symvers-${KERNEL_VERSION}
install -d ${D}${sysconfdir}/modules-load.d
install -d ${D}${sysconfdir}/modprobe.d
+}
+do_install[prefuncs] += "package_get_auto_pr"
- #
- # Support for external module building - create a minimal copy of the
- # kernel source tree.
- #
- kerneldir=${D}${KERNEL_SRC_PATH}
+addtask shared_workdir after do_compile before do_install
+
+do_shared_workdir () {
+ cd ${B}
+
+ kerneldir=${STAGING_KERNEL_BUILDDIR}
install -d $kerneldir
- mkdir -p ${D}/lib/modules/${KERNEL_VERSION}
- ln -sf ${KERNEL_SRC_PATH} "${D}/lib/modules/${KERNEL_VERSION}/build"
#
# Store the kernel version in sysroots for module-base.bbclass
#
echo "${KERNEL_VERSION}" > $kerneldir/kernel-abiversion
-
+
# Copy files required for module builds
cp System.map $kerneldir/System.map-${KERNEL_VERSION}
cp Module.symvers $kerneldir/
cp .config $kerneldir/
mkdir -p $kerneldir/include/config
cp include/config/kernel.release $kerneldir/include/config/kernel.release
+
+ # We can also copy over all the generated files and avoid special cases
+ # like version.h, but we've opted to keep this small until file creep starts
+ # to happen
if [ -e include/linux/version.h ]; then
mkdir -p $kerneldir/include/linux
cp include/linux/version.h $kerneldir/include/linux/version.h
@@ -273,10 +278,11 @@ kernel_do_install() {
cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/
fi
}
-do_install[prefuncs] += "package_get_auto_pr"
-python sysroot_stage_all () {
- oe.path.copyhardlinktree(d.expand("${D}${KERNEL_SRC_PATH}"), d.expand("${SYSROOT_DESTDIR}${KERNEL_SRC_PATH}"))
+# We have an empty sysroot_stage_all to keep the default routine from
+# package.bbclass from expanding the kernel source into the sysroot and
+# colliding with linux-firmware files
+sysroot_stage_all () {
}
KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} O=${B} oldnoconfig || yes '' | oe_runmake -C ${S} O=${B} oldconfig"
@@ -467,7 +473,7 @@ kernel_do_deploy() {
do_deploy[dirs] = "${DEPLOYDIR} ${B}"
do_deploy[prefuncs] += "package_get_auto_pr"
-addtask deploy before do_build after do_install
+addtask deploy after do_populate_sysroot
EXPORT_FUNCTIONS do_deploy
diff --git a/meta/classes/module-base.bbclass b/meta/classes/module-base.bbclass
index 9537ba9..3eb2e92 100644
--- a/meta/classes/module-base.bbclass
+++ b/meta/classes/module-base.bbclass
@@ -3,16 +3,24 @@ inherit kernel-arch
export OS = "${TARGET_OS}"
export CROSS_COMPILE = "${TARGET_PREFIX}"
-export KERNEL_VERSION = "${@base_read_file('${STAGING_KERNEL_DIR}/kernel-abiversion')}"
+# This points to the build artefacts from the main kernel build
+# such as .config and System.map
+# Confusingly it is not the module build output (which is ${B}) but
+# we didn't pick the name.
+export KBUILD_OUTPUT = "${STAGING_KERNEL_BUILDDIR}"
+
+export KERNEL_VERSION = "${@base_read_file('${STAGING_KERNEL_BUILDDIR}/kernel-abiversion')}"
KERNEL_OBJECT_SUFFIX = ".ko"
# kernel modules are generally machine specific
PACKAGE_ARCH = "${MACHINE_ARCH}"
+do_configure[depends] += "virtual/kernel:do_shared_workdir"
+
# Function to ensure the kernel scripts are created. Expected to
# be called before do_compile. See module.bbclass for an exmaple.
do_make_scripts() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
make CC="${KERNEL_CC}" LD="${KERNEL_LD}" AR="${KERNEL_AR}" \
- -C ${STAGING_KERNEL_DIR} scripts
+ -C ${STAGING_KERNEL_DIR} O=${STAGING_KERNEL_BUILDDIR} scripts
}
diff --git a/meta/classes/module.bbclass b/meta/classes/module.bbclass
index 5cb8623..a03cc74 100644
--- a/meta/classes/module.bbclass
+++ b/meta/classes/module.bbclass
@@ -14,6 +14,7 @@ module_do_compile() {
KERNEL_VERSION=${KERNEL_VERSION} \
CC="${KERNEL_CC}" LD="${KERNEL_LD}" \
AR="${KERNEL_AR}" \
+ O=${STAGING_KERNEL_BUILDDIR} \
${MAKE_TARGETS}
}
@@ -21,6 +22,7 @@ module_do_install() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" \
CC="${KERNEL_CC}" LD="${KERNEL_LD}" \
+ O=${STAGING_KERNEL_BUILDDIR} \
modules_install
}
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 7902bd7..d22e9e8 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -395,7 +395,8 @@ SDKPATHNATIVE = "${SDKPATH}/sysroots/${SDK_SYS}"
##################################################################
OLDEST_KERNEL = "2.6.32"
-STAGING_KERNEL_DIR = "${STAGING_DIR_HOST}/usr/src/kernel"
+STAGING_KERNEL_DIR = "${TMPDIR}/work-shared/${MACHINE}/kernel-source"
+STAGING_KERNEL_BUILDDIR = "${TMPDIR}/work-shared/${MACHINE}/kernel-build-artifacts"
##################################################################
# Specific image creation and rootfs population info.
diff --git a/meta/recipes-kernel/linux/kernel-devsrc.bb b/meta/recipes-kernel/linux/kernel-devsrc.bb
index dbb3a5c..a7395c4 100644
--- a/meta/recipes-kernel/linux/kernel-devsrc.bb
+++ b/meta/recipes-kernel/linux/kernel-devsrc.bb
@@ -15,7 +15,7 @@ inherit module-base
# We need the kernel to be staged (unpacked, patched and configured) before
# we can grab the source and make the kernel-devsrc package
-do_install[depends] += "virtual/kernel:do_populate_sysroot"
+do_install[depends] += "virtual/kernel:do_shared_workdir"
# Need the source, not just the output of populate_sysroot
do_install[depends] += "virtual/kernel:do_configure"
@@ -30,7 +30,8 @@ do_populate_sysroot[noexec] = "1"
# Define where the kernel headers are installed on the target as well as where
# they are staged.
KERNEL_SRC_PATH = "/usr/src/kernel"
-S = "${STAGING_DIR_TARGET}/${KERNEL_SRC_PATH}"
+S = "${STAGING_KERNEL_DIR}"
+B = "${STAGING_KERNEL_BUILDDIR}"
KERNEL_VERSION = "${@get_kernelversion_headers('${S}')}"
@@ -45,8 +46,15 @@ do_install() {
# We can keep this copy simple and take everything, since a we'll clean up any build
# artifacts afterwards, and the extra i/o is not significant
#
+ cd ${B}
+ find . -type d -name '.git*' -prune -o -type f -print0 | cpio --null -pdlu $kerneldir
cd ${S}
find . -type d -name '.git*' -prune -o -type f -print0 | cpio --null -pdlu $kerneldir
+
+ # Explicitly set KBUILD_OUTPUT to ensure that the image directory is cleaned and not
+ # The main build artifacts. We clean the directory to avoid QA errors on mismatched
+ # architecture (since scripts and helpers are native format).
+ KBUILD_OUTPUT="$kerneldir"
oe_runmake -C $kerneldir CC="${KERNEL_CC}" LD="${KERNEL_LD}" clean _mrproper_scripts
# As of Linux kernel version 3.0.1, the clean target removes
@@ -54,7 +62,7 @@ do_install() {
# KBUILD_LDFLAGS_MODULE, making it required to build external modules.
if [ ${ARCH} = "powerpc" ]; then
mkdir -p $kerneldir/arch/powerpc/lib/
- cp ${S}/arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
+ cp ${B}/arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
fi
}
# Ensure we don't race against "make scripts" during cpio
diff --git a/meta/recipes-kernel/lttng/lttng-modules_2.5.2.bb b/meta/recipes-kernel/lttng/lttng-modules_2.5.2.bb
index 55df07f..6ec83d0 100644
--- a/meta/recipes-kernel/lttng/lttng-modules_2.5.2.bb
+++ b/meta/recipes-kernel/lttng/lttng-modules_2.5.2.bb
@@ -7,7 +7,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=1412caf5a1aa90d6a48588a4794c0eac \
file://lgpl-2.1.txt;md5=243b725d71bb5df4a1e5920b344b86ad"
DEPENDS = "virtual/kernel"
-do_configure[depends] += "virtual/kernel:do_install"
+do_configure[depends] += "virtual/kernel:do_shared_workdir"
inherit module
diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/perf.bb
index a42aa73c..d2c9805 100644
--- a/meta/recipes-kernel/perf/perf.bb
+++ b/meta/recipes-kernel/perf/perf.bb
@@ -32,7 +32,7 @@ DEPENDS = " \
bison flex \
"
-do_configure[depends] += "virtual/kernel:do_install"
+do_configure[depends] += "virtual/kernel:do_shared_workdir"
PROVIDES = "virtual/perf"
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