On Mon, Aug 01, 2022 at 02:12:29PM -0700, Elliot Berman wrote: > Gunyah is a Type-1 hypervisor independent of any > high-level OS kernel, and runs in a higher CPU privilege level. It does > not depend on any lower-privileged OS kernel/code for its core > functionality. This increases its security and can support a much smaller > trusted computing base than a Type-2 hypervisor. > > Gunyah is an open source hypervisor. The source repo is available at > https://github.com/quic/gunyah-hypervisor. > > The diagram below shows the architecture. > > :: > > Primary VM Secondary VMs > +-----+ +-----+ | +-----+ +-----+ +-----+ > | | | | | | | | | | | > EL0 | APP | | APP | | | APP | | APP | | APP | > | | | | | | | | | | | > +-----+ +-----+ | +-----+ +-----+ +-----+ > ---------------------|------------------------- > +--------------+ | +----------------------+ > | | | | | > EL1 | Linux Kernel | | |Linux kernel/Other OS | ... > | | | | | > +--------------+ | +----------------------+ > --------hvc/smc------|------hvc/smc------------ > +----------------------------------------+ > | | > EL2 | Gunyah Hypervisor | > | | > +----------------------------------------+ > > Gunyah provides these following features. > > - Threads and Scheduling: The scheduler schedules virtual CPUs (VCPUs) on > physical CPUs and enables time-sharing of the CPUs. > - Memory Management: Gunyah tracks memory ownership and use of all memory > under its control. Memory partitioning between VMs is a fundamental > security feature. > - Interrupt Virtualization: All interrupts are handled in the hypervisor > and routed to the assigned VM. > - Inter-VM Communication: There are several different mechanisms provided > for communicating between VMs. > - Device Virtualization: Para-virtualization of devices is supported using > inter-VM communication. Low level system features and devices such as > interrupt controllers are supported with emulation where required. > Hi, I can't apply this series on top of mainline or linux-next. On what tree (and what commit) this series is based on? I'd like to do htmldocs test. Thanks. -- An old man doll... just what I always wanted! - Clara
