pci_map_single

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Hi all,
      
        I have two PCIe cards of same type on a node. I want to do dma
from  a common pci dma buffer to both cards at same time.
 
        In case of streaming mapping ,If I have allocated one kernel
buffer and mapped it for card 1 using pci_map_single then can I map the
same buffer at same time for card 2 without any unmapping ?

	Will it  work for all platforms?
        I will be thankful for any guidance you provide.




Thanking You,
Vikrant

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