Re: [RFC PATCH 1/5] KVM: vmx: speed up emulation of invalid guest state

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

 



On Fri, Apr 18, 2014 at 12:19:28AM -0400, Paolo Bonzini wrote:
> Il 16/04/2014 18:52, Marcelo Tosatti ha scritto:
> >How about handling VM-entry error due to invalid state with
> >
> >vmx->emulation_required = true;
> >continue to main vcpu loop;
> 
> What would reset it to false though?  None of the places that call
> emulation_required() is a hot path right now, and this patch doesn't
> add any.

The same code which resets it to false inside the
handle_invalid_guest_state loop (so you would stop emulating
at the same point as you do with this patch).

Advantage would be that failure to set vmx->emulation_required to
true would not cause VM-entry failure.

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux