Passes tinderbox.
I have not done any performance testing. Speculatively, the affected platforms (riscv, powerpc, i386) should perform equivalently or better in the few affected cases (grep for HAVE_INLINE_F).
Kernel stats for tier-1 platforms:
```
amd64 before:
text data bss dec hex filename
20539806 1616925 4668928 26825659 0x19953bb kernel.full
amd64 after:
text data bss dec hex filename
20539726 1616925 4668928 26825579 0x199536b kernel.full
Small decrease in .text (Not bad, but why?).
-----------------------------------------------------------------------
arm64 before:
text data bss dec hex filename
12163601 1390320 2895872 16449793 0xfb0101 kernel.full
arm64 after:
text data bss dec hex filename
12163601 1390320 2895872 16449793 0xfb0101 kernel.full
No change (expected).
```