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| author |   Michael S. Tsirkin <mst@redhat.com> | 2020-02-06 02:54:32 -0500 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-03-23 09:50:02 -0400 |
| commit | d5f5ee2a490547961c0b7ccdeef047c2018892bf (patch) | |
| tree | 3fa281b3ef364386bb645be2aa11080e8e3904ce /tools/virtio | |
| parent | Linux 5.6-rc7 (diff) | |
| download | wireguard-linux-d5f5ee2a490547961c0b7ccdeef047c2018892bf.tar.xz wireguard-linux-d5f5ee2a490547961c0b7ccdeef047c2018892bf.zip | |
tools/virtio: option to build an out of tree module
Handy for testing with distro kernels.
Warn that the resulting module is completely unsupported,
and isn't intended for production use.
Usage:
make oot # builds vhost_test.ko, vhost.ko
make oot-clean # cleans out files created
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'tools/virtio')
| -rw-r--r-- | tools/virtio/Makefile | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile index 8e2a908115c2..f33f32f1d208 100644 --- a/tools/virtio/Makefile +++ b/tools/virtio/Makefile @@ -8,7 +8,32 @@ CFLAGS += -g -O2 -Werror -Wall -I. -I../include/ -I ../../usr/include/ -Wno-poin vpath %.c ../../drivers/virtio ../../drivers/vhost mod: ${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V} -.PHONY: all test mod clean + +#oot: build vhost as an out of tree module for a distro kernel +#no effort is taken to make it actually build or work, but tends to mostly work +#if the distro kernel is very close to upstream +#unsupported! this is a development tool only, don't use the +#resulting modules in production! +OOT_KSRC=/lib/modules/$$(uname -r)/build +OOT_VHOST=`pwd`/../../drivers/vhost +#Everyone depends on vhost +#Tweak the below to enable more modules +OOT_CONFIGS=\ + CONFIG_VHOST=m \ + CONFIG_VHOST_NET=n \ + CONFIG_VHOST_SCSI=n \ + CONFIG_VHOST_VSOCK=n +OOT_BUILD=KCFLAGS="-I "${OOT_VHOST} ${MAKE} -C ${OOT_KSRC} V=${V} +oot-build: + echo "UNSUPPORTED! Don't use the resulting modules in production!" + ${OOT_BUILD} M=`pwd`/vhost_test + ${OOT_BUILD} M=${OOT_VHOST} ${OOT_CONFIGS} + +oot-clean: oot-build +oot: oot-build +oot-clean: OOT_BUILD+=clean + +.PHONY: all test mod clean vhost oot oot-clean oot-build clean: ${RM} *.o vringh_test virtio_test vhost_test/*.o vhost_test/.*.cmd \ vhost_test/Module.symvers vhost_test/modules.order *.d |