diff options
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index d1e5067852d4..7c3fd572a23b 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -146,6 +146,8 @@ u32 amd_iommu_max_pasids __read_mostly = ~0; bool amd_iommu_v2_present __read_mostly; +bool amd_iommu_force_isolation __read_mostly; + /* * The ACPI table parsing functions set this variable on an error */ @@ -1642,6 +1644,8 @@ static int __init parse_amd_iommu_options(char *str) amd_iommu_unmap_flush = true; if (strncmp(str, "off", 3) == 0) amd_iommu_disabled = true; + if (strncmp(str, "force_isolation", 15) == 0) + amd_iommu_force_isolation = true; } return 1; |