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Subject: Re: [RFC PATCH] lib: Introduce generic __cmpxchg_u64() and use it
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To:     Peter Zijlstra <peterz@infradead.org>,
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From:   Eric Dumazet <eric.dumazet@gmail.com>
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Date:   Thu, 1 Nov 2018 09:59:38 -0700
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On 11/01/2018 09:32 AM, Peter Zijlstra wrote:

>> Anyhow, if the atomic maintainers are willing to stand up and state for
>> the record that the atomic counters are guaranteed to wrap modulo 2^n
>> just like unsigned integers, then I'm happy to take Paul's patch.
> 
> I myself am certainly relying on it.


Could we get uatomic_t support maybe ?

This reminds me of this sooooo silly patch :/

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=adb03115f4590baa280ddc440a8eff08a6be0cb7