Re: [PATCH v2 0/4] Static calls

From: Pavel Machek
Date: Mon Dec 10 2018 - 18:57:56 EST


> These patches are related to two similar patch sets from Ard and Steve:
> -
> -
> The code is also heavily inspired by the jump label code, as some of the
> concepts are very similar.
> There are three separate implementations, depending on what the arch
> supports:
> 1) CONFIG_HAVE_STATIC_CALL_INLINE: patched call sites - requires
> objtool and a small amount of arch code
> 2) CONFIG_HAVE_STATIC_CALL_OUTLINE: patched trampolines - requires
> a small amount of arch code
> 3) If no arch support, fall back to regular function pointers

Well, it would be nice to mention what these patches do :-).

I guess they are expected to make things slightly faster? If so it
would be nice to mention benchmarks...

(There are even statistics later in the series, but I guess at least
short explanation should be in cover letter).


(cesky, pictures)

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