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SubjectRe: [Qemu-devel] [RFC] Next gen kvm api
On 02/03/2012 12:07 PM, Eric Northup wrote:
> On Thu, Feb 2, 2012 at 8:09 AM, Avi Kivity<> wrote:
> [...]
>> Moving to syscalls avoids these problems, but introduces new ones:
>> - adding new syscalls is generally frowned upon, and kvm will need several
>> - syscalls into modules are harder and rarer than into core kernel code
>> - will need to add a vcpu pointer to task_struct, and a kvm pointer to
>> mm_struct
> - Lost a good place to put access control (permissions on /dev/kvm)
> for which user-mode processes can use KVM.
> How would the ability to use sys_kvm_* be regulated?

Why should it be regulated?

It's not a finite or privileged resource.


Anthony Liguori


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