AMD IOMMU: add parameter to disable device isolation

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / amd_iommu_init.c

diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 0cdcda35a05fbcd01d6d4b32f6ba935f6e9d7cb4..838a2e1d5bb297bd048ed3d44bdf0b60ee090f7f 100644 (file)
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -1213,6 +1213,8 @@ 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, "share", 5) == 0)
+                       amd_iommu_isolate = 0;
                if (strncmp(str, "fullflush", 11) == 0)
                        amd_iommu_unmap_flush = true;
        }