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openSUSE:Evergreen:11.4
xen
25617-vtd-qinval-addr.patch
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File 25617-vtd-qinval-addr.patch of Package xen
# HG changeset patch # User Yang Zhang <yang.z.zhang@Intel.com> # Date 1342709162 -3600 # Node ID 75eb78d6cf545a79878e3cf42d0fdadf32c8d7ce # Parent 8a4cda0bbdc2309c7f86445eaa14e4f75e9bd21a vt-d: fix wrong addr in IOTLB invalidation descriptor According to vt-d specs, the addr in IOTLB invalidation descriptor should be 4K page aligned. Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com> Committed-by: Keir Fraser <keir@xen.org> --- a/xen/drivers/passthrough/vtd/qinval.c +++ b/xen/drivers/passthrough/vtd/qinval.c @@ -140,7 +140,7 @@ static int gen_iotlb_inv_dsc(struct iomm qinval_entry->q.iotlb_inv_dsc.hi.am = am; qinval_entry->q.iotlb_inv_dsc.hi.ih = ih; qinval_entry->q.iotlb_inv_dsc.hi.res_1 = 0; - qinval_entry->q.iotlb_inv_dsc.hi.addr = addr; + qinval_entry->q.iotlb_inv_dsc.hi.addr = addr >> PAGE_SHIFT_4K; unmap_vtd_domain_page(qinval_entries); spin_unlock_irqrestore(&qi_ctrl->qinval_lock, flags);
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