https://github.com/torvalds/linux
Revision 2d0ec7a19b5796aa958636eeeff072b506460501 authored by Joerg Roedel on 01 June 2015, 15:30:57 UTC, committed by Joerg Roedel on 02 June 2015, 06:46:32 UTC
This reverts commit 5fc872c7323534e8f7dc21bab635e7a9b9659e07. The DMA-API does not strictly require that the memory returned by dma_alloc_coherent is zeroed out. For that another function (dma_zalloc_coherent) should be used. But all other x86 DMA-API implementation I checked zero out the memory, so that some drivers rely on it and break when it is not. It seems the (driver-)world is not yet ready for this change, so revert it. Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Tip revision: 2d0ec7a19b5796aa958636eeeff072b506460501 authored by Joerg Roedel on 01 June 2015, 15:30:57 UTC
Revert "iommu/amd: Don't allocate with __GFP_ZERO in alloc_coherent"
Revert "iommu/amd: Don't allocate with __GFP_ZERO in alloc_coherent"
Tip revision: 2d0ec7a
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| kernel | ||
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| samples | ||
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| .gitignore | -rw-r--r-- | 1.2 KB |
| .mailmap | -rw-r--r-- | 4.9 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 94.7 KB |
| Kbuild | -rw-r--r-- | 2.1 KB |
| Kconfig | -rw-r--r-- | 252 bytes |
| MAINTAINERS | -rw-r--r-- | 303.1 KB |
| Makefile | -rw-r--r-- | 53.1 KB |
| README | -rw-r--r-- | 18.2 KB |
| REPORTING-BUGS | -rw-r--r-- | 7.3 KB |
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