On 08.05.23 11:19, Mathias Krause wrote:
> [...]
>
> I'll post the backports I did and maybe can convince you as well that
> it's not all that bad ;) But I see your proposal patch [3] got merged in
> the meantime and is cc:stable. Might make sense to re-do my benchmarks
> after it got applied to the older kernels.
I just sent out the backports to the mailing list, please have a look!
The benchmark numbers are still the old ones I did three weeks ago.
However, seeing what's needed for the backport might give you a better
feeling for the impact.
I'll refresh the series if there's demand and when edbdb43fc96b ("KVM:
x86: Preserve TDP MMU roots until they are explicitly invalidated") got
merged into the relevant kernels.
v6.2:
https://lore.kernel.org/stable/20230508154457.29956-1-minipli@xxxxxxxxxxxxxx/
v6.1:
https://lore.kernel.org/stable/20230508154602.30008-1-minipli@xxxxxxxxxxxxxx/
v5.15:
https://lore.kernel.org/stable/20230508154709.30043-1-minipli@xxxxxxxxxxxxxx/
v5.10:
https://lore.kernel.org/stable/20230508154804.30078-1-minipli@xxxxxxxxxxxxxx/
v5.4:
https://lore.kernel.org/stable/20230508154943.30113-1-minipli@xxxxxxxxxxxxxx/
Thanks,
Mathias
