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authorLinus Torvalds <torvalds@linux-foundation.org>2020-04-08 19:51:53 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-08 19:51:53 +0200
commit9bb715260ed4cef6948cb2e05cf670462367da71 (patch)
tree520de5dd3eb6cd8372cc61759754d1cf2744a8c8 /tools/virtio
parentmm/gup: Let __get_user_pages_locked() return -EINTR for fatal signal (diff)
parentvirtio-balloon: Revert "virtio-balloon: Switch back to OOM handler for VIRTIO... (diff)
downloadlinux-9bb715260ed4cef6948cb2e05cf670462367da71.tar.xz
linux-9bb715260ed4cef6948cb2e05cf670462367da71.zip
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin: - Some bug fixes - The new vdpa subsystem with two first drivers * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: virtio-balloon: Revert "virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM" vdpa: move to drivers/vdpa virtio: Intel IFC VF driver for VDPA vdpasim: vDPA device simulator vhost: introduce vDPA-based backend virtio: introduce a vDPA based transport vDPA: introduce vDPA bus vringh: IOTLB support vhost: factor out IOTLB vhost: allow per device message handler vhost: refine vhost and vringh kconfig virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM virtio-net: Introduce hash report feature virtio-net: Introduce RSS receive steering feature virtio-net: Introduce extended RSC feature tools/virtio: option to build an out of tree module
Diffstat (limited to 'tools/virtio')
-rw-r--r--tools/virtio/Makefile27
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