On Thu, 2 Jan 2014 11:24:50 +0000 David Vrabel <david.vra...@citrix.com> wrote:
> On 01/01/14 04:35, Konrad Rzeszutek Wilk wrote: > > From: Mukesh Rathor <mukesh.rat...@oracle.com> > > > > .. which are surprinsingly small compared to the amount for PV code. > > > > PVH uses mostly native mmu ops, we leave the generic (native_*) for > > the majority and just overwrite the baremetal with the ones we need. > > > > We also optimize one - the TLB flush. The native operation would > > needlessly IPI offline VCPUs causing extra wakeups. Using the > > Xen one avoids that and lets the hypervisor determine which > > VCPU needs the TLB flush. > > This TLB flush optimization should be a separate patch. It's not really an "optimization", we are using PV mechanism instead of native because PV one performs better. So, I think it's ok to belong here. Mukesh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
