On Tue, Sep 24, 2024 at 05:22:10PM GMT, Manu Bretelle wrote: > danobi/vmtest is going to migrate from using 9p to using virtio_fs to > mount the local rootfs: https://github.com/danobi/vmtest/pull/88 > > BPF CI uses danobi/vmtest to run bpf selftests and will need to support > VIRTIO_FS. > > This change enables new kconfigs to be able to support the upcoming > danobi/vmtest. > > Tested by building a new kernel with those config and confirming it > would successfully run with 9p (currently what is used by vmtest), and > with virtio_fs (using a local build of vmtest). > > $ vmtest -k arch/x86/boot/bzImage "findmnt /" > => bzImage > ===> Booting > ===> Setting up VM > ===> Running command > TARGET SOURCE FSTYPE OPTIONS > / /dev/root 9p rw,relatime,cache=5,access=client,msize=512000,trans=virtio > $ /home/chantra/local/danobi-vmtest/target/debug/vmtest -k arch/x86/boot/bzImage "findmnt /" > => bzImage > ===> Initializing host environment > ===> Booting > ===> Setting up VM > ===> Running command > TARGET SOURCE FSTYPE OPTIONS > / rootfs virtiofs rw,relatime > > Changes in v2: > * Sorted configs alphabetically > > Signed-off-by: Manu Bretelle <chantr4@xxxxxxxxx> > --- > tools/testing/selftests/bpf/config.vm | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/bpf/config.vm b/tools/testing/selftests/bpf/config.vm > index a9746ca78777..da543b24c144 100644 > --- a/tools/testing/selftests/bpf/config.vm > +++ b/tools/testing/selftests/bpf/config.vm > @@ -1,12 +1,15 @@ > -CONFIG_9P_FS=y > CONFIG_9P_FS_POSIX_ACL=y > CONFIG_9P_FS_SECURITY=y > +CONFIG_9P_FS=y > CONFIG_CRYPTO_DEV_VIRTIO=y > -CONFIG_NET_9P=y > +CONFIG_FUSE_FS=y > +CONFIG_FUSE_PASSTHROUGH=y In fs/fuse/Kconfig I see CONFIG_FUSE_PASSTHROUGH defaults on: config FUSE_PASSTHROUGH bool "FUSE passthrough operations support" default y depends on FUSE_FS So is it necessary to set here? I suppose if it matters that we're sure it's enabled, it's better to be explicit. > CONFIG_NET_9P_VIRTIO=y > +CONFIG_NET_9P=y > CONFIG_VIRTIO_BALLOON=y > CONFIG_VIRTIO_BLK=y > CONFIG_VIRTIO_CONSOLE=y > +CONFIG_VIRTIO_FS=y > CONFIG_VIRTIO_NET=y > CONFIG_VIRTIO_PCI=y > CONFIG_VIRTIO_VSOCKETS_COMMON=y > -- > 2.43.5 > Acked-by: Daniel Xu <dxu@xxxxxxxxx>
