On Wed, Oct 7, 2009 at 11:36 AM, vichy <[email protected]> wrote: > Dear all: > I try to pass the content of file,1G, to kernel driver for operation > and then return the result back to application. > My questions are: > 1. The only way I can use is copy_from_user? If so, does it have the > size limitation? > 2. I don't want my application pending on the I/O and is there any > smart way to let the application know when driver finishes its job? > appreciate your help, > vichy > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to [email protected] > Please read the FAQ at http://kernelnewbies.org/FAQ > > This link describes many methods for these kind of use cases:
http://people.ee.ethz.ch/~arkeller/linux/kernel_user_space_howto.html Regards, Sandeep.
