Here is the section of main.c which must be changed:

/*
 * Using the name 'rpmsg-client-sample' will probe the RPMsg sample driver
 * found at linux-x.y.z/samples/rpmsg/rpmsg_client_sample.c
 *
 * Using the name 'rpmsg-pru' will probe the rpmsg_pru driver found
 * at linux-x.y.z/drivers/rpmsg/rpmsg_pru.c
 */
//#define CHAN_NAME                                     
"rpmsg-client-sample"
#define CHAN_NAME                                       "rpmsg-pru"

The above is how it should be modified to get the virtual device file to 
appear.
I am using the exact same TI based kernel, lab 5 works and yields two-way 
PRU<->ARM messages.

Regards,
Greg

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