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iommu/amd: Disable IOMMUs at boot if they are enabled
authorJoerg Roedel <jroedel@suse.de>
Fri, 16 Jun 2017 14:09:54 +0000 (16:09 +0200)
committerJoerg Roedel <jroedel@suse.de>
Thu, 22 Jun 2017 10:54:19 +0000 (12:54 +0200)
commit111237415393acdef9b4f700c747a2e92c9be62e
tree48bfe64b182f328c543c7ae00d478284c535d9d2tree
parent54bd63570484167cb13edf81e31fff107b879981commit | diff
iommu/amd: Disable IOMMUs at boot if they are enabled

When booting, make sure the IOMMUs are disabled. They could
be previously enabled if we boot into a kexec or kdump
kernel. So make sure they are off.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/amd_iommu_init.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git