Two options:

 

Option 1: simply include kvm module into initrd/initramfs, and make it
loaded before remount to final disk filesystem.

Option 2: recompile the kernel and include the kvm module in kernel instead
of making it a standalone module.

 

Jimmy

 

From: Jason Chow [mailto:jasonchow....@gmail.com] 
Sent: Thursday, July 26, 2012 10:22 PM
To: Justin King-Lacroix; tboot-devel@lists.sourceforge.net
Subject: Re: [tboot-devel] TBOOT supports KVM by including kvm kernel module
in the trust chain ?

 

 

2012/7/26 Jason Chow <jasonchow....@gmail.com>

Hi Justin,

 

Thank you for your suggestion. So make the KVM inline in the kernel as a
whole rather than a later loaded module is the solution for tboot with kvm.
Am I correct ?

 

Regards,

Jason

2012/7/26 Justin King-Lacroix <justin.king-lacr...@cs.ox.ac.uk>

Hi Jason,

Tboot measures the kernel and the initrd/initramfs, so you should just need
to make sure the KVM modules are in it (and installed at boot, before the
root filesystem is mounted, of course).

Regards,
Justin 





On 26/07/2012 2:44 PM, Jason Chow wrote:

Hi,

 

   As we all know, tboot can work with bare linux kernel. Howerver, does
tboot support KVM as well as Xen ? Since kvm is treated as a kernel module,
which will not be measured during the process of trusted boot (In my
knowledge, only kernel will be measureed rather than kernel modules.). How
can tboot provide a clean hypervisor environment as well as Xen does ? Is
there any additional support in tboot to keep KVM module in a well-known
status.

 

 

Thanks and regards,

Jason

 

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