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Impact: build fix
Fix:
arch/x86/kvm/x86.o: In function `dma_debug_add_bus':
(.text+0x0): multiple definition of `dma_debug_add_bus'
dma_debug_add_bus() should be a static inline function.
Cc: Joerg Roedel <joerg.roedel@amd.com>
LKML-Reference: <20090317120112.GP6159@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: allow architectures to monitor busses for dma mem leakage
This patch adds checking code to detect if a device has pending DMA
operations when it is about to be unbound from its device driver.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This adds a function to dump the DMA mappings that the debugging code is
aware of -- either for a single device, or for _all_ devices.
This can be useful for debugging -- sticking a call to it in the DMA
page fault handler, for example, to see if the faulting address _should_
be mapped or not, and hence work out whether it's IOMMU bugs we're
seeing, or driver bugs.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Impact: add debug callbacks for dma_sync_sg_* functions
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Impact: add debug callbacks for dma_sync_single_range_for_* functions
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Impact: add debug callbacks for dma_sync_single_for_* functions
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Impact: add debug callbacks for dma_[alloc|free]_coherent
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Impact: add debug callbacks for dma_{un}map_sg
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Impact: add debug callbacks for dma_{un}map_[page|single]
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Impact: add code to initialize dma-debug core data structures
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Impact: add groundwork for DMA-API debugging
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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