Re: [RFC/RFT PATCH 0/3] arm64: KVM: work around incoherency with uncached guest mappings

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

 




On 19/02/2015 18:55, Andrew Jones wrote:
>> > > (I don't have an exact number for how many times it went to EL1 because
>> > >  access_mair() doesn't have a trace point.)
>> > > (I got the 62873 number by testing a 3rd kernel build that only had patch
>> > >  3/3 applied to the base, and counting kvm_toggle_cache events.)
>> > > (The number 50 is the number of kvm_toggle_cache events *without* 3/3
>> > >  applied.)
>> > >
>> > > I consider this bad news because, even considering it only goes to EL2,
>> > > it goes a ton more than it used to. I realize patch 3/3 isn't the final
>> > > plan for enabling traps though.

If a full guest boots, can you try timing a kernel compile?

Paolo
--
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