On Fri, 10 May 2019 14:17:20 +0200 Peter Zijlstra peterz@infradead.org wrote:
But both ftrace and retprobes are at C function call boundaries. Preserving flags doesn't make sense.
I agree, but I did it just because of my OCD and being complete in "emulating an int3" for ftrace_regs_caller ;-)
Yeah, we can remove the popfl from the ftrace trampoline.
-- Steve