From: Joerg Roedel <[email protected]> For all the copy-translation code to run, we have to keep translation enabled in intel_iommu_init(). So remove the code disabling it.
Signed-off-by: Joerg Roedel <[email protected]> --- drivers/iommu/intel-iommu.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index e23d5b4..b47def6 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4469,13 +4469,6 @@ int __init intel_iommu_init(void) goto out_free_dmar; } - /* - * Disable translation if already enabled prior to OS handover. - */ - for_each_active_iommu(iommu, drhd) - if (iommu->gcmd & DMA_GCMD_TE) - iommu_disable_translation(iommu); - if (dmar_dev_scope_init() < 0) { if (force_on) panic("tboot: Failed to initialize DMAR device scope\n"); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
