Re: [PATCH] KVM: arm64: Remove redundant check for S2FWB

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Jing,

On 2021-02-05 04:44, Jing Zhang wrote:
Remove redundant check for CPU feature S2FWB in dcache flush code
to save some CPU cycles for every memslot flush and unmapping.

What CPU cycles? This is only a static branch. Can you actually
measure the overhead? What does it represent in the face of
a full memslot unmapping?

Thanks,

        M.
--
Jazz is not dead. It just smells funny...
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm



[Index of Archives]     [Linux KVM]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux