Messages in this thread | | | Date | Tue, 30 Nov 2004 22:28:08 +0100 (MET) | From | Jan Engelhardt <> | Subject | RE: Walking all the physical memory in an x86 system |
| |
>[Jon M. Hanson] I can read /dev/mem from a userspace application as root >with no problems and print out what it sees. However, things are not so >simple from a kernel module as I just can't call open() and read() on >/dev/mem because no such functions are exported from the kernel. Is >there a way to read the contents of /dev/mem from a kernel module?
You can use filp_open().
Jan Engelhardt -- ENOSPC - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |