| From | Michael Ellerman <> | Subject | Re: [PATCH 00/20] Remove Mysterious Macro Intended to Obscure Weird Behaviours (mmiowb()) | Date | Sat, 02 Mar 2019 23:56:44 +1100 |
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Linus Torvalds <torvalds@linux-foundation.org> writes:
> Love the acronym, and the series looks good to me. > > Michael - can you check (or maybe you already did?) that this works > for ppc too, and doesn't have any gotcha's?
Yeah it looks fine to me.
I gave it a quick boot with a patch to count how many mb()s we actually issue in the spin_unlock() path and it's definitely hitting that path correctly. So it works at least as well as the old code.
cheers
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