Re: Live Migration of 32-bit Linux guest broken since 2.6.35-rc2

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

 



On 06/09/2010 06:12 PM, Gleb Natapov wrote:

a) i remember that there (have been) are instructions that have a
high virtualization penalty.
are there flags that should better not be offered to a VM?
Not that I know of.

rdtscp? I think it's always emulated.

No, it executes natively. It does increase the msr switching cost since we need to switch MSR_TSC_AUX in addition.

--
error compiling committee.c: too many arguments to function

--
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