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[Xen-devel][PATCH 2/2] X86: Fix APERF/MPERF query bug on non-current cpu
| To: | <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel][PATCH 2/2] X86: Fix APERF/MPERF query bug on non-current cpu |
| From: | "Liu, Jinsong" <jinsong.liu@xxxxxxxxx> |
| Date: | Fri, 18 Jul 2008 15:55:47 +0800 |
| Cc: | "Tian, Kevin" <kevin.tian@xxxxxxxxx> |
| Delivery-date: | Fri, 18 Jul 2008 00:56:13 -0700 |
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| Thread-index: | Acjoq7B2k81l4w5nTSi1py2aGaEvcA== |
| Thread-topic: | [Xen-devel][PATCH 2/2] X86: Fix APERF/MPERF query bug on non-current cpu |
X86: Fix APERF/MPERF query bug on non-current cpu Currently xen hypervisor cpufreq can only query APERF/MPERF on running cpu, which will result in system broken when query on non-current cpu. This patch fix the APERF/MPERF query bug on non-current cpu. Signed-off-by: Liu Jinsong <jinsong.liu@xxxxxxxxx>
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