Messages in this thread | | | Date | Tue, 07 Aug 2012 09:32:47 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] Parallelize mtrr init between cpus |
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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
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