VirtualBox Guest Shared Folder Support Coming To The Mainline Linux Kernel
Written by Michael Larabel in Virtualization on 31 October 2019 at 06:57 AM EDT. 11 Comments
VIRTUALIZATION --
The mainline Linux kernel continues to see better support for Oracle VM VirtualBox with more of the guest drivers reaching the mainline kernel to provide a vastly better out-of-the-box experience.

Red Hat's Hans de Goede has been working to nurse many of the open-source VirtualBox drivers into the mainline kernel. The most recent is getting the "VBOXSF" driver queued into Greg KH's staging-linus branch. With it hitting the staging-linus branch overnight rather than staging-next, it's likely this VirtualBox VBOXSF driver is going to be sent in shortly as a fix/addition for the Linux 5.4 kernel cycle since there is little risk of regression.

The VBOXSF driver provides VirtualBox guest shared folder support. This kernel driver allows for folders exported by the host to be mounted under Linux and leverages IPC functions already provided by the existing VirtualBox guest Linux kernel driver. Hans de Goede cleaned up this driver from the original Oracle code into a state now that at least is ready for the staging area of the kernel.

The driver for the moment can be found in staging-linus and should be merged in short order.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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