Messages in this thread | | | Date | Mon, 9 Dec 2002 19:22:43 -0800 | From | carbonated beverage <> | Subject | capable open_port() check wrong for kmem |
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hi all,
I found that I can't open /dev/kmem O_RDONLY. The open_mem and open_kmem calls (open_port()) in drivers/char/mem.c checks for CAP_SYS_RAWIO.
Is there a possibility of splitting that off into a read and write pair, i.e. CAP_SYS_RAWIO_WRITE, CAP_SYS_RAWIO_READ?
If not, is there a way to grant read-only access to /dev/kmem?
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