Messages in this thread | | | Subject | Re: [PATCH 0/7] KVM: Kernel-based Virtual Machine | From | Alan Cox <> | Date | Sun, 22 Oct 2006 20:56:55 +0100 |
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Ar Sul, 2006-10-22 am 10:37 +0200, ysgrifennodd Avi Kivity: > I like this. Since we plan to support multiple vcpus per vm, the fs > structure might look like:
Three times the syscall overhead is bad for an emulation very bad for an emulation of a CPU whose virtualisation is half baked.
> It's certainly a lot more code though, and requires new syscalls. Since > this is a little esoteric does it warrant new syscalls?
I think not - ioctl exists to avoid adding a billion esoteric one user syscalls. The idea of a VFS sysfs type view of the running vm is great for tools however so I wouldn't throw it out entirely or see it as ioctl versus fs.
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