Messages in this thread | | | Date | Thu, 13 Aug 2009 12:25:39 +0900 | Subject | Re: [RFC patch] clean up swiotlb check in intel_iommu_init | From | FUJITA Tomonori <> |
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On Thu, 13 Aug 2009 11:11:27 +0800 Luming Yu <luming.yu@gmail.com> wrote:
> Hi there, > > Since swiotlb is an fall back option that might have > initialized. We don't need to stop intel_iommu_init > because of swiotlb..
I think that this doesn't work on X86; breaks "soft" boot option.
> Please review. If make sense, please apply. > > **The patch is enclosed in text attachment* > **Using web client to send the patch* * > **below is for review, please apply attached patch*/ > > Thanks, > Luming > > Signed-off-by: Yu Luming <luming.yu@intel.com> > > intel-iommu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > > diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c > index 2314ad7..246acb9 100644 > --- a/drivers/pci/intel-iommu.c > +++ b/drivers/pci/intel-iommu.c > @@ -3194,7 +3194,7 @@ int __init intel_iommu_init(void) > * Check the need for DMA-remapping initialization now. > * Above initialization will also be used by Interrupt-remapping. > */ > - if (no_iommu || (swiotlb && !iommu_pass_through) || dmar_disabled) > + if (no_iommu || dmar_disabled) > return -ENODEV; > > iommu_init_mempool();
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