diff options
| author | Joerg Roedel <jroedel@suse.de> | 2015-06-12 12:44:33 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2015-06-16 10:59:35 +0200 |
| commit | 60b523ecfede05796aa77024b3960fecabab4de7 (patch) | |
| tree | 9423c762d5cb70996894cdf6ebf4befe88227e77 /drivers/iommu | |
| parent | c3361f2f6e1d64bc7e7b8148bbd1c66b8007a898 (diff) | |
| download | linux-60b523ecfede05796aa77024b3960fecabab4de7.tar.bz2 | |
iommu/vt-d: Don't disable translation prior to OS handover
For all the copy-translation code to run, we have to keep
translation enabled in intel_iommu_init(). So remove the
code disabling it.
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 | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index ca7d37c3981f..e40c858a84fe 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4484,13 +4484,6 @@ int __init intel_iommu_init(void) goto out_free_dmar; } - /* - * Disable translation if already enabled prior to OS handover. - */ - for_each_active_iommu(iommu, drhd) - if (iommu->gcmd & DMA_GCMD_TE) - iommu_disable_translation(iommu); - if (dmar_dev_scope_init() < 0) { if (force_on) panic("tboot: Failed to initialize DMAR device scope\n"); |