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Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
-rw-r--r--arch/x86/kernel/amd_iommu_init.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 4cd8083c58be..30ae2701b3df 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -121,7 +121,7 @@ u16 amd_iommu_last_bdf; /* largest PCI device id we have
LIST_HEAD(amd_iommu_unity_map); /* a list of required unity mappings
we find in ACPI */
unsigned amd_iommu_aperture_order = 26; /* size of aperture in power of 2 */
-int amd_iommu_isolate; /* if 1, device isolation is enabled */
+int amd_iommu_isolate = 1; /* if 1, device isolation is enabled */
bool amd_iommu_unmap_flush; /* if true, flush on every unmap */
LIST_HEAD(amd_iommu_list); /* list of all AMD IOMMUs in the
@@ -212,7 +212,7 @@ static void __init iommu_set_exclusion_range(struct amd_iommu *iommu)
/* Programs the physical address of the device table into the IOMMU hardware */
static void __init iommu_set_device_table(struct amd_iommu *iommu)
{
- u32 entry;
+ u64 entry;
BUG_ON(iommu->mmio_base == NULL);
@@ -1213,7 +1213,9 @@ static int __init parse_amd_iommu_options(char *str)
for (; *str; ++str) {
if (strncmp(str, "isolate", 7) == 0)
amd_iommu_isolate = 1;
- if (strncmp(str, "fullflush", 11) == 0)
+ if (strncmp(str, "share", 5) == 0)
+ amd_iommu_isolate = 0;
+ if (strncmp(str, "fullflush", 9) == 0)
amd_iommu_unmap_flush = true;
}