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Re: [Xen-devel] RE: [PATCH] Allocate vmcs pages when system booting
| To: | "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] RE: [PATCH] Allocate vmcs pages when system booting |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Sun, 17 Jan 2010 21:35:10 +0000 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Sun, 17 Jan 2010 13:37:05 -0800 |
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| Thread-topic: | [Xen-devel] RE: [PATCH] Allocate vmcs pages when system booting |
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On 17/01/2010 02:02, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote: > After reading the code again, I think maybe I missed one possible place to > achieve the same purpose. We can simply allocate the VMCS pag from cpu_hotadd > in XENPF_cpu_hotadd, where the CPU changed from possible to present. Later, > when we bring-up the CPU, we don't need allocate VMCS page anymore. That is, > we will allocate VMCS pages still, but only for present cpus, not possible > CPUs. When CPU is changed from logical online to offline, this VMCS page will > not be freed. > > Do you agree this method? I will come up with a patch tomorrow for you to try. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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