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Date: Fri, 31 Mar 2017 06:54:48 -0700
From: Andi Kleen <ak@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
        Andrew Morton <akpm@linux-foundation.org>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-next: manual merge of the akpm tree with the tip tree
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> Argh!
> 
> Andrew, please drop that patch. And the x86 out-of-line of __atomic_add_unless().

Why dropping the second?  Do you have something better?

On the first there were no 0day regressions, so at least basic performance
checking has been done.

-Andi