I am working with an dual-ported RAM which is on a motion control card and allows the
cardt and its host to share an area of fast
memory. my driver(in kenerl mode) should map the memory(i locate this memory in
0xd4000 of PC memory) into the user's memory
space. So processes in user's space can read this area directly.
How can i do this, can i use ioremap/iounmap function in my driver?
Thanks in advance!
Liang jiangang
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