From: Keir Fraser <keir.fraser@eu.citrix.com>
To: "Jiang, Yunhong" <yunhong.jiang@intel.com>,
Jan Beulich <JBeulich@novell.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: RE: [PATCH] Allocate vmcs pages when system booting
Date: Sun, 17 Jan 2010 21:35:10 +0000 [thread overview]
Message-ID: <C779330E.6783%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <C8EDE645B81E5141A8C6B2F73FD926511499ACD9E7@shzsmsx501.ccr.corp.intel.com>
On 17/01/2010 02:02, "Jiang, Yunhong" <yunhong.jiang@intel.com> 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
next prev parent reply other threads:[~2010-01-17 21:35 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-12 10:52 [PATCH] Allocate vmcs pages when system booting Jiang, Yunhong
2009-11-12 11:22 ` Keir Fraser
2009-11-12 14:58 ` Jiang, Yunhong
2009-11-12 15:04 ` Keir Fraser
2009-11-12 15:15 ` Jiang, Yunhong
2010-01-15 9:06 ` Jiang, Yunhong
2010-01-15 9:30 ` Jan Beulich
2010-01-15 10:31 ` Keir Fraser
2010-01-17 2:02 ` Jiang, Yunhong
2010-01-17 21:35 ` Keir Fraser [this message]
2010-01-18 8:11 ` Keir Fraser
2010-01-18 8:22 ` Jiang, Yunhong
2010-03-18 10:45 ` Jan Beulich
2010-03-18 10:51 ` Keir Fraser
2010-03-19 2:17 ` Jiang, Yunhong
2010-01-15 10:28 ` Keir Fraser
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