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SubjectRe: [PATCH] tools/virtio: option to build an out of tree module
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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@redhat.com>
> ---
> 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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