Re: [RFC][PATCH 0/3] ftrace: Add dynamically allocated trampolines

[Jiri Kosina]

On Fri, 4 Jul 2014, Steven Rostedt wrote:

> Well, I guess the answer to that is what do you consider the trampoline? 
> I'm currently considering it to be the assembly code that the 
> mcount/fentry call jumps to. We only have two trampolines (three if you 
> count the function graph code that will be called directly come 3.17). 
> Those two are the normal ftrace_caller and the ftrace_regs_caller. 

BTW, on those archs that support regs saving already, is there really a 
reson not to kill ftrace_caller and keep just ftrace_regs_caller?

-- 
Jiri Kosina
SUSE Labs
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