Messages in this thread | | | Date | Mon, 15 Jan 2018 12:34:17 -0600 | From | Josh Poimboeuf <> | Subject | Re: [PATCH 2/4] objtool: Implement jump_assert for _static_cpu_has() |
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On Mon, Jan 15, 2018 at 07:12:30PM +0100, Peter Zijlstra wrote: > > b) Add another special annotation to tell objtool where > > _static_cpu_has() locations are? > > Almost did that, but I figured I'd give this a try first. But yes I > agree it is somewhat ugly.
I'm thinking this is the way to go. Create an ANNOTATE_STATIC_JUMP macro, which is used in both _static_cpu_has() and arch_static_branch[_jump](). Then it's very generalized and all the special-casing for both alternatives and jump tables will go away.
-- Josh
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