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IOMMU Fix for Linux v4.1-rc6

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Only one patch:
 
 	* Revert "iommu/amd: Don't allocate with __GFP_ZERO in alloc_coherent"
 	  This patch caused problems with some drivers, so it is better
 	  to revert it now until the drivers have been fixed.
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Merge tag 'iommu-fixes-v4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fix from Joerg Roedel:
 "Only one patch:

   - Revert "iommu/amd: Don't allocate with __GFP_ZERO in
     alloc_coherent".

     This patch caused problems with some drivers, so it is better to
     revert it now until the drivers have been fixed"

* tag 'iommu-fixes-v4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  Revert "iommu/amd: Don't allocate with __GFP_ZERO in alloc_coherent"
This commit is contained in:
Linus Torvalds 2015-06-05 10:14:51 -07:00
commit 44953afbea
1 changed files with 1 additions and 0 deletions
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1
drivers/iommu/amd_iommu.c
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@ -2930,6 +2930,7 @@ static void *alloc_coherent(struct device *dev, size_t size,
size = PAGE_ALIGN(size); size = PAGE_ALIGN(size);
dma_mask = dev->coherent_dma_mask; dma_mask = dev->coherent_dma_mask;
flag &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32); flag &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
flag |= __GFP_ZERO;
page = alloc_pages(flag | __GFP_NOWARN, get_order(size)); page = alloc_pages(flag | __GFP_NOWARN, get_order(size));
if (!page) { if (!page) {