Messages in this thread | | | Date | Sat, 02 Apr 2011 15:38:08 -0500 | From | Anthony Liguori <> | Subject | Re: [ANNOUNCE] Native Linux KVM tool |
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On 03/31/2011 12:30 PM, Pekka Enberg wrote: > Hi all, > > We’re proud to announce the native Linux KVM tool!
Neat!
As something of a lesson of history, I'd suggest picking a more unique name while it's still a prototype :-)
> The goal of this tool is to provide a clean, from-scratch, lightweight > KVM host tool implementation that can boot Linux guest images (just a > hobby, won't be big and professional like QEMU) with no BIOS > dependencies and with only the minimal amount of legacy device > emulation.
I see you do provide 16-bit entry points for Linux. Are you planning on paravirtualizing this within Linux to truly eliminate the BIOS dependency?
Regards,
Anthony Liguori
> Note that this is a development prototype for the time being: there's no > networking support and no graphics support, amongst other missing > essentials. > > It's great as a learning tool if you want to get your feet wet in > virtualization land: it's only 5 KLOC of clean C code that can already > boot a guest Linux image. > > Right now it can boot a Linux image and provide you output via a serial > console, over the host terminal, i.e. you can use it to boot a guest > Linux image in a terminal or over ssh and log into the guest without > much guest or host side setup work needed. > > 1. To try out the tool, clone the git repository: > > git clone git://github.com/penberg/linux-kvm.git > > or alternatively, if you already have a kernel source tree: > > git checkout -b kvm/tool > git pull git://github.com/penberg/linux-kvm.git > > 2. Compile the tool: > > cd tools/kvm&& make > > 3. Download a raw userspace image: > > wget http://wiki.qemu.org/download/linux-0.2.img.bz2&& bunzip2 > linux-0.2.img.bz2 > > 4. Build a kernel with CONFIG_VIRTIO_BLK=y and > CONFIG_SERIAL_8250_CONSOLE=y configuration options. Note: also make sure > you have CONFIG_EXT2_FS or CONFIG_EXT4_FS if you use the above image. > > 5. And finally, launch the hypervisor: > > ./kvm --image=linux-0.2.img --kernel=../../arch/x86/boot/bzImage > > The tool has been written by Pekka Enberg, Cyrill Gorcunov, and Asias > He. Special thanks to Avi Kivity for his help on KVM internals and Ingo > Molnar for all-around support and encouragement! > > See the following thread for original discussion for motivation of this > project: > > http://thread.gmane.org/gmane.linux.kernel/962051/focus=962620 > > Pekka > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
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