Re: [PATCH -v2 00/33] implement atomic_fetch_$op

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On Tuesday 31 May 2016 03:59 PM, Peter Zijlstra wrote:
> Notes:
>  - arc asm/atomic.h is a bit of a mess after the eznps merge, I would
>    recommend a restructure or split of that file, but could not find
>    the will to do it.
>  - arc, metag and tile could convert to _relaxed.

Yes that was bothering me too. The split is indeed in order. However good news is
even w/o it I have decent cleanup as all the backoff retry code can now be
removed. The hardware guys did their foo and production RTL with latest h/w
release doesn't suffer from the scond livelock problem. I'd disabled the config
option for some time and now the code can be removed as well.

What's ur merge plan - are u going to rebase/respin once more so I can push those
updates to Linus for 4.7-rc2. Or you could carry those ARC patches in ur tree -
ahead of ur series. I'd much rather prefer the revert / cleanup before adding new
code which extends the back off code only to be deleted later.

What say you ?

-Vineet
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