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Forum Topic - mmap_device_io(): (2 Items)

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Jerry Van

12/29/2010 2:01 AM

post80599

mmap_device_io()

Hi, guys
Can two processed both map some io space to their process space using mmap_device_io()?
If yes, are the io space can be both access(write and read) by the two porcess?

BR
Jerry

Thomas Haupt

12/29/2010 5:30 AM

post80604

Re: mmap_device_io()

Hi Jerry,

Yes, multiple processes can mmap_device_io() the same range, and all can both read and write.

- Thomas

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