On 2020/2/6 下午4:01, Michael S. Tsirkin wrote:
Handy for testing with distro kernels.
Warn that the resulting module is completely unsupported,
and isn't intended for production use.
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
tools/virtio/Makefile | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile
index 8e2a908115c2..94106cde49e3 100644
--- a/tools/virtio/Makefile
+++ b/tools/virtio/Makefile
@@ -8,7 +8,18 @@ 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:
+ echo "UNSUPPORTED! Don't use the resulting modules in production!"
+ KCFLAGS="-I "`pwd`/../../drivers/vhost ${MAKE} -C /usr/src/kernels/$$(uname -r) M=`pwd`/vhost_test V=${V}
+ KCFLAGS="-I "`pwd`/../../drivers/vhost ${MAKE} -C /usr/src/kernels/$$(uname -r) M=`pwd`/../../drivers/vhost V=${V} CONFIG_VHOST_VSOCK=n
Any reason for disabling vsock here?
Thanks
+
+.PHONY: all test mod clean vhost oot
clean:
${RM} *.o vringh_test virtio_test vhost_test/*.o vhost_test/.*.cmd \
vhost_test/Module.symvers vhost_test/modules.order *.d
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