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

Re: [Xen-devel] Xen ARM community call - meeting minutes and date for the next one



Hi Volodymyr

On 30/03/2017 20:19, Volodymyr Babchuk wrote:
On 30 March 2017 at 21:52, Stefano Stabellini <sstabellini@xxxxxxxxxx> wrote:
On Thu, 30 Mar 2017, Volodymyr Babchuk wrote:
And yes, my profiler shows that there are ways to further decrease
latency. Most obvious way is to get rid of 2nd stage translation and
thus eliminate p2m code from the call chain. Currently hypervisor
spends 20% of time in spinlocks code and about ~10-15% in p2m. So
there definitely are areas to improve :)

Correct me if I am wrong. You are suggesting to remove stage-2 MMU translation, right? If so, what are the benefits to have some Xen code running at EL0?

Cheers,

--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.