Re: [PATCH] Parallelize mtrr init between cpus

[zhenzhong.duan]

 2012-08-08 00:32, H. Peter Anvin wrote:
> On 08/07/2012 12:29 AM, zhenzhong.duan wrote:
> > Current code serialize mtrr init with set_atomicity_lock.
> > Mtrr init is quite slow when we bootup on a hvm with large mem, vcpus
> > and pci passthroughed devices(eg. 24 vcpus + 90G mem).
> > It took about ~30 mins to bootup, after patch, it took ~2 min.
> When you're saying "HVM" do you mean "Xen HVM"?  How does it behave on
> native hardware?
>
> 	-hpa
Yes, I mean Xen HVM. Bootup at same speed as before on baremetal.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/