Re: [GIT pull] perf/urgent for 5.7-rc2

[Peter Zijlstra]

On Mon, Apr 20, 2020 at 09:48:45AM +0200, Ingo Molnar wrote:
> Fortunately, much of what objtool does against vmlinux.o can be 
> parallelized in a rather straightforward fashion I believe, if we build 
> with -ffunction-sections.

So that FGKASLR is going to get us -ffunction-sections, but
parallelizing objtool isn't going to be trivial, it's data structures
aren't really build for that, esp. decode_instructions() which actively
generates data.

Still, it's probably doable.