Re: [RFC KVM 01/27] kernel: Export memory-management symbols required for KVM address space isolation

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> On 13 May 2019, at 18:15, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> 
> On Mon, May 13, 2019 at 04:38:09PM +0200, Alexandre Chartre wrote:
>> From: Liran Alon <liran.alon@xxxxxxxxxx>
>> 
>> Export symbols needed to create, manage, populate and switch
>> a mm from a kernel module (kvm in this case).
>> 
>> This is a hacky way for now to start.
>> This should be changed to some suitable memory-management API.
> 
> This should not be exported at all, ever, end of story.
> 
> Modules do not get to play with address spaces like that.

I agree… No doubt about that. This should never be merged like this.
It’s just to have an initial PoC of the concept so we can:
1) Messure performance impact of concept.
2) Get feedback on appropriate design and APIs from community.

-Liran





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