Messages in this thread | | | Subject | Re: f_ops flag to speed up compatible ioctls in linux kernel | From | Roland Dreier <> | Date | Wed, 01 Sep 2004 15:58:44 -0700 |
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Roland> Yes, this is exactly right. One issue raised by this Roland> thread is that the ioctl32 compatibility code only allows Roland> one compatibility handler per ioctl number. It seems that Roland> this creates all sorts of possibilities for mayhem because Roland> it makes the ioctl namespace global in scope in some Roland> situations. Does anyone have any thoughts on if/how this Roland> should be addressed?
Michael> Thats what my original patch attempts to address Michael> http://www.uwsg.indiana.edu/hypermail/linux/kernel/0409.0/0025.html Michael> What do you think?
That patch seems somewhat orthogonal to the issue I raised. You're just fixing the problem for devices that don't use the ioctl32 compat layer.
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