On Tue, Nov 21, 2006 at 11:11:45AM +0530, Nilanjan Roychowdhury wrote: > I have some compute intensive stuff to do inside an ioctl. But when I > try to do that I see it affects the preemption of the kernel as the big > kernel lock is held during the ioctl. Is there any good way to get rid > of that?? I am planning to do an unlock while entering my ioctl and then > lock it again before exiting. Is there any issues ?? Use unlocked_ioctl instead of ioctl. That will not be locked, and you can do your own fine-grained locking if needed. good luck, greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
