Re: [PATCH v4 14/18] static_call: Add static_cond_call()

Peter Zijlstra
2020-05-06T13:55:51Z

On Tue, May 05, 2020 at 04:27:44PM -0400, Mathieu Desnoyers wrote:
> Actually, if the goal is to do code patching of the call, I wonder
> what makes it OK to "guess" all the call patterns generated by the compiler ?

We're not guessing, have have objtool read the compiler output and
record the location for us. The compiler can generate whatever it likes.