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| author | Yang Zhang <yang.z.zhang@Intel.com> | 2012-07-30 13:38:26 +0100 |
|---|---|---|
| committer | Yang Zhang <yang.z.zhang@Intel.com> | 2012-07-30 13:38:26 +0100 |
| commit | 0abe4ea8231717dd7eaf74db694e061584fb687f (patch) | |
| tree | bbf45efa6c8762238d9091bb365d1fb1b973a5a2 | |
| parent | 61896cd439327a259f67ab7e11080900b7c8fa81 (diff) | |
| download | xen-0abe4ea8231717dd7eaf74db694e061584fb687f.tar.gz xen-0abe4ea8231717dd7eaf74db694e061584fb687f.tar.bz2 xen-0abe4ea8231717dd7eaf74db694e061584fb687f.zip | |
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>
xen-unstable changeset: 25617:75eb78d6cf54
xen-unstable date: Thu Jul 19 15:46:02 2012 +0100
| -rw-r--r-- | xen/drivers/passthrough/vtd/qinval.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/drivers/passthrough/vtd/qinval.c b/xen/drivers/passthrough/vtd/qinval.c index a1ac3ee7ba..6a410d8e8f 100644 --- 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 iommu *iommu, int index, 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); |