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| author |   Baoquan He <bhe@redhat.com> | 2016-01-20 22:01:19 +0800 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2016-01-29 12:30:47 +0100 |
| commit | 9b1a12d29109234d2b9718d04d4d404b7da4e794 (patch) | |
| tree | 4744b9215ae49624548957eee65035028b68650f /drivers | |
| parent | iommu/vt-d: Don't skip PCI devices when disabling IOTLB (diff) | |
| download | linux-dev-9b1a12d29109234d2b9718d04d4d404b7da4e794.tar.xz linux-dev-9b1a12d29109234d2b9718d04d4d404b7da4e794.zip | |
iommu/amd: Correct the wrong setting of alias DTE in do_attach
In below commit alias DTE is set when its peripheral is
setting DTE. However there's a code bug here to wrongly
set the alias DTE, correct it in this patch.
commit e25bfb56ea7f046b71414e02f80f620deb5c6362
Author: Joerg Roedel <jroedel@suse.de>
Date: Tue Oct 20 17:33:38 2015 +0200
iommu/amd: Set alias DTE in do_attach/do_detach
Signed-off-by: Baoquan He <bhe@redhat.com>
Tested-by: Mark Hounschell <markh@compro.net>
Cc: stable@vger.kernel.org # v4.4
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 539b0dea8034..e5e223938eec 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2049,7 +2049,7 @@ static void do_attach(struct iommu_dev_data *dev_data, /* Update device table */ set_dte_entry(dev_data->devid, domain, ats); if (alias != dev_data->devid) - set_dte_entry(dev_data->devid, domain, ats); + set_dte_entry(alias, domain, ats); device_flush_dte(dev_data); } |