Re: [PATCH 0/7] x86: Rework KVM-defaults compat code, enable kvm_pv_unhalt by default

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

 



On 14/10/2017 01:56, Eduardo Habkost wrote:
> Now, I don't know yet what's the best default for a guest that
> has CONFIG_PARAVIRT_SPINLOCK when it sees a host that supports
> kvm_pv_unhalt.  But I'm arguing that it's the guest
> responsibility to choose what to do when it detects such a host,
> instead of expecting the host to hide features from the guest.
> The guest and the guest administrator have more information to
> choose what's best.
> 
> In other words, if exposing kvm_pv_unhalt on CPUID really makes
> some guests behave poorly, can we fix the guests instead?

Waiman just did it. :)

https://marc.info/?l=linux-kernel&m=150972337909996

Paolo

--
libvir-list mailing list
libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list



[Index of Archives]     [Virt Tools]     [Libvirt Users]     [Lib OS Info]     [Fedora Users]     [Fedora Desktop]     [Fedora SELinux]     [Big List of Linux Books]     [Yosemite News]     [KDE Users]     [Fedora Tools]
  Powered by Linux