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SubjectRe: [PATCH 1/7] KVM: userspace interface
On Thu, Oct 19, 2006 at 04:43:20PM +0200, Avi Kivity wrote:
> John Stoffel wrote:
> >Avi> This patch defines a bunch of ioctl()s on /dev/kvm. The ioctl()s
> >Avi> allow adding memory to a virtual machine, adding a virtual cpu to
> >Avi> a virtual machine (at most one at this time), transferring
> >Avi> control to the virtual cpu, and querying about guest pages
> >Avi> changed by the virtual machine.
> >
> >Yuck. ioclts are deprecated, you should be using /sysfs instead for
> >stuff like this, or configfs.
> >
> I need to pass small amounts of data back and forth very efficiently.
> sysfs and configfs are more for one-time admin stuff, not for continuous
> device control.

I agree, sysfs or configfs is not for what you are wanting to do here.


greg k-h
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