From: Eric Dumazet <eric.dumazet@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>,
Trond Myklebust <trondmy@hammerspace.com>
Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>,
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"paulus@samba.org" <paulus@samba.org>,
"jhogan@kernel.org" <jhogan@kernel.org>,
aryabinin@virtuozzo.com,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
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Subject: Re: [RFC PATCH] lib: Introduce generic __cmpxchg_u64() and use it where needed
Date: Thu, 1 Nov 2018 09:59:38 -0700 [thread overview]
Message-ID: <b0160f4b-b996-b0ee-405a-3d5f1866272e@gmail.com> (raw)
In-Reply-To: <20181101163212.GF3159@hirez.programming.kicks-ass.net>
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
next prev parent reply other threads:[~2018-11-01 17:02 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-31 19:52 [RFC PATCH] lib: Introduce generic __cmpxchg_u64() and use it where needed Guenter Roeck
2018-10-31 21:32 ` Paul Burton
2018-10-31 22:02 ` Guenter Roeck
2018-10-31 23:32 ` Paul Burton
2018-11-01 0:17 ` Trond Myklebust
2018-11-01 13:18 ` Mark Rutland
2018-11-01 14:59 ` Peter Zijlstra
2018-11-01 15:22 ` Trond Myklebust
2018-11-01 16:32 ` Peter Zijlstra
2018-11-01 16:59 ` Eric Dumazet [this message]
2018-11-01 17:14 ` Peter Zijlstra
2018-11-01 17:27 ` Peter Zijlstra
2018-11-01 20:29 ` Paul E. McKenney
2018-11-01 21:38 ` Peter Zijlstra
2018-11-01 22:26 ` Paul E. McKenney
2018-11-01 17:43 ` Paul E. McKenney
2018-11-01 17:01 ` Paul E. McKenney
2018-11-01 17:18 ` Peter Zijlstra
2018-11-01 17:34 ` Paul E. McKenney
2018-11-01 17:46 ` Dmitry Vyukov
2018-11-01 21:45 ` Peter Zijlstra
2018-11-02 10:56 ` David Laight
2018-11-02 12:23 ` Peter Zijlstra
2018-11-02 13:38 ` Paul E. McKenney
2018-11-02 13:37 ` Paul E. McKenney
2018-11-02 16:19 ` Andrey Ryabinin
2018-11-05 10:38 ` Peter Zijlstra
2018-11-05 14:24 ` Peter Zijlstra
2018-11-01 17:54 ` Paul Burton
2018-11-01 1:18 ` Guenter Roeck
2018-11-01 6:30 ` Trond Myklebust
2018-11-01 15:28 ` Guenter Roeck
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