On Sun, 13 Jul 2025 10:17:30 +0300 Mike Rapoport <[email protected]> wrote:
> From: "Mike Rapoport (Microsoft)" <[email protected]> > > For the most part ftrace uses text poking and can handle ROX memory. > The only place that requires writable memory is create_trampoline() that > updates the allocated memory and in the end makes it ROX. > > Use execmem_alloc_rw() in x86::ftrace::alloc_tramp() and enable ROX cache > for EXECMEM_FTRACE when configuration and CPU features allow that. > > Acked-by: Peter Zijlstra (Intel) <[email protected]> > Signed-off-by: Mike Rapoport (Microsoft) <[email protected]> Acked-by: Steven Rostedt (Google) <[email protected]> -- Steve
