diff options
| author | Joerg Roedel <jroedel@suse.de> | 2015-06-12 09:14:34 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2015-06-16 10:59:33 +0200 |
| commit | b63d80d1e01e949dbe469e1d72fc0b7e173dbdd8 (patch) | |
| tree | a43402fbd67c1f08153477fbd2051ea8bb4c19b2 /drivers/iommu | |
| parent | 9f10e5bf62f7b9937afeee8ff0a491f87438e2a2 (diff) | |
iommu/vt-d: Init QI before root entry is allocated
QI needs to be available when we write the root entry into
hardware because flushes might be necessary after this.
Tested-by: ZhenHua Li <zhen-hual@hp.com>
Tested-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 4faec337c0cf..989761c8f017 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2803,6 +2803,8 @@ static int __init init_dmars(void) for_each_active_iommu(iommu, drhd) { g_iommus[iommu->seq_id] = iommu; + intel_iommu_init_qi(iommu); + ret = iommu_init_domains(iommu); if (ret) goto free_iommu; @@ -2819,9 +2821,6 @@ static int __init init_dmars(void) hw_pass_through = 0; } - for_each_active_iommu(iommu, drhd) - intel_iommu_init_qi(iommu); - if (iommu_pass_through) iommu_identity_mapping |= IDENTMAP_ALL; |