[RFC PATCH] uprobes: copy to user-space xol page with proper cache flushing

[David Miller]

From: Russell King - ARM Linux <linux at arm.linux.org.uk>
Date: Fri, 11 Apr 2014 16:30:41 +0100

> | Given that we've already solved that problem, wouldn't it be a good idea
> | if the tracing code would stop trying to reinvent broken solutions to
> | problems we have already solved?
> 
> I fail to see what your problem is with keeping the vma around, and
> using that infrastructure.  If it needs optimisation for uprobes, then
> let's optimise it.  Let's not go inventing a whole new interface
> solving the same problem.

+1