Vmi Paravirtual Kernel Support

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Use a Paravirtualized Kernel in Linux Guests

    https://pubs.vmware.com/ws65_ace25/ws_user/newguest.6.21.html
    If you have a VMware VMI (Virtual Machine Interface) enabled kernel in the guest operating system, you will see improved performance if you enable paravirtual support in the virtual machine.

VMWare Workstarion 6 amd64 for Linux and intel ... VMware ...

    https://communities.vmware.com/thread/93641
    Jul 17, 2007 · To use the paravirtual kernel support in the guest, the Linux kernel must be using the VMI (Virtual Machine Interface)3.0 as noted in the VMware Workstation 6 documentation. Question is: Why if I have such hardware and this feature compiled in kernel? (If more info needed, let me know and I …

Enabling Virtual Machine Interface (VMI) in VMware ...

    https://www.bussink.ch/?p=15
    To check if you’re kernel has VMI paravirtual kernel support enabled, you can check the kernel compile config. Code: # grep VMI /boot/config-2.6.20-15-server CONFIG_VMI=y There isn’t much showing inside the virtual machine when it’s running with the paravirtual kernel support.

VMI: An Interface for Paravirtualization - Linux kernel

    https://www.kernel.org/doc/ols/2006/ols2006v2-pages-371-386.pdf
    3 The Virtual Machine Interface The VMI is the interface that the paravirtual-ized kernel uses to communicate with the VMI layer. Thehypervisorinterfaceistheotherface of the VMI layer which allows the VMI layer to communicate with the hypervisor. It is the VMI that is of relevance to the kernel. Any im-pact from a change to the hypervisor interface

vmi spec.txt Paravirtualization API Version 2

    https://www.vmware.com/pdf/vmi_specs.pdf
    The guest kernel must be modified to run at a dynamic privilege level, since if entry to paravirtual mode is successful, the kernel is no longer allowed to run at the highest hardware privilege level. On the IA-32 architecture, this means the kernel will be running at CPL 1-2, and with the hypervisor running at CPL0, and user code at CPL3.

May 2007 Erik Bussink

    https://www.bussink.ch/?m=200705
    Virtual Machine Interface (VMI) support (experimental): VMware Workstation 6.0 is the first virtualization platform to allow execution of paravirtualized guest operating systems that implement the VMI interface. Please note that VMI configuration is only available in i386 kernels …

Paravirtualization (PV) - Xen

    https://wiki.xenproject.org/wiki/Paravirtualization_(PV)
    In the Linux kernel, PV support is provided by the paravirt operations extensions (PVOPS) and PV front and back-end drivers that are shipped with Linux. PVOPS allows the kernel to determine at run-time, whether it is running under virtualization (Xen Project, KVM, VMI, etc.), which will prompt it to use optimized low-level operations for the specific virtualization stack.

Linux guest with VMI paravirtualization breaks ... VMware ...

    https://communities.vmware.com/thread/112204
    Nov 10, 2007 · When running a Linux guest that has a VMI-enabled paravirtual kernel, the framebuffer console breaks. VMware Player does not show any changes of the framebuffer (meaning that whatever you type in there doesn't show; Player's image is frozen). It has been like that for quite a long time now.

Paravirtualization - Wikipedia

    https://en.wikipedia.org/wiki/Paravirtualization
    As AMD and Intel CPUs added support for more efficient hardware-assisted virtualization, the standard became obsoleted and VMI support was removed from Linux kernel in 2.6.37 and from VMware products in 2011. Linux paravirtualization support [ edit ]



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