Messages in this thread | | | Date | Wed, 08 Aug 2012 10:08:49 +0800 | From | "zhenzhong.duan" <> | Subject | Re: [PATCH] Parallelize mtrr init between cpus |
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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.
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