Re: [RFC] KVM: arm64: support enabling dirty log graually in small chunks

[Marc Zyngier]

On 2020-03-10 08:26, zhukeqian wrote:
> Hi Marc,
>
> On 2020/3/9 19:45, Marc Zyngier wrote:
> > Kegian,

[...]

> > Is there a userspace counterpart to it?
> As this KVM/x86 related changes have not been merged to mainline
> kernel, some little modification is needed on mainline Qemu.

Could you please point me to these changes?

> As I tested this patch on a 128GB RAM Linux VM with no huge pages, the
> time of enabling dirty log will decrease obviously.

I'm not sure how realistic that is. Not having huge pages tends to lead
to pretty bad performance in general...

Thanks,

        M.
--
Jazz is not dead. It just smells funny...