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[Xen-devel] write_tsc in a PV domain?
| To: | "Xen-Devel (E-mail)" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] write_tsc in a PV domain? |
| From: | Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> |
| Date: | Tue, 25 Aug 2009 14:54:27 -0700 (PDT) |
| Delivery-date: | Tue, 25 Aug 2009 14:55:10 -0700 |
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Is it "legal" to write to the TSC, e.g. via wrmsr(0x10,x,y), in a PV kernel? Assuming this were executed and would cause a GPF, I can't find the code in Xen that would handle it, or even ignore it. There are uses of write_tsc in linux-2.6.18-xen... perhaps that code never gets executed? Thanks, Dan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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