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[Xen-devel] A problem about hvm io routine
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-devel] A problem about hvm io routine |
| From: | zhefu jiang <guokeno0@xxxxxxxxx> |
| Date: | Tue, 27 Oct 2009 22:05:27 +0800 |
| Delivery-date: | Tue, 27 Oct 2009 07:53:56 -0700 |
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hi everyone, I have a problem about Xen HVM IO routine: I have read some code and notice that qemu-dm handle HVM DOMU's io request in function cpu_handle_ioreq(). But I cannot find which function send these io requests. I suspect the hvm_send_assist_req() and hvm_buffered_io_send() do this job, yet when I print io request address in these functions and in function qemu_remap_bucket(I have set cache size to one page), I find that this two function covers only part of all requests. Now I'm wondering which function is sending the rest io requests.
Zhefu Jiang
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