From: Michael Ellerman <mpe@ellerman.id.au>
To: Boqun Feng <boqun.feng@gmail.com>,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: Waiman Long <waiman.long@hp.com>,
Davidlohr Bueso <dave@stgolabs.net>,
Peter Zijlstra <peterz@infradead.org>,
Boqun Feng <boqun.feng@gmail.com>,
Will Deacon <will.deacon@arm.com>,
Paul Mackerras <paulus@samba.org>,
Thomas Gleixner <tglx@linutronix.de>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [v6, 1/4] atomics: Allow architectures to define their own __atomic_op_* helpers
Date: Mon, 22 Feb 2016 20:45:55 +1100 (AEDT) [thread overview]
Message-ID: <20160222094555.CF1D7140C30@ozlabs.org> (raw)
In-Reply-To: <1450189457-10589-2-git-send-email-boqun.feng@gmail.com>
On Tue, 2015-15-12 at 14:24:14 UTC, Boqun Feng wrote:
> Some architectures may have their special barriers for acquire, release
> and fence semantics, so that general memory barriers(smp_mb__*_atomic())
> in the default __atomic_op_*() may be too strong, so allow architectures
> to define their own helpers which can overwrite the default helpers.
>
> Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/e1ab7f39d7e0dbfbdefe148be3
cheers
next prev parent reply other threads:[~2016-02-22 9:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-15 14:24 [PATCH powerpc/next v6 0/4] atomics: powerpc: Implement relaxed/acquire/release variants Boqun Feng
2015-12-15 14:24 ` [PATCH v6 1/4] atomics: Allow architectures to define their own __atomic_op_* helpers Boqun Feng
2016-02-22 9:45 ` Michael Ellerman [this message]
2015-12-15 14:24 ` [PATCH v6 2/4] powerpc: atomic: Implement atomic{, 64}_*_return_* variants Boqun Feng
2015-12-15 14:24 ` [PATCH v6 2/4] powerpc: atomic: Implement atomic{,64}_*_return_* variants Boqun Feng
2016-01-06 2:07 ` [PATCH v6 2/4] powerpc: atomic: Implement atomic{, 64}_*_return_* variants Boqun Feng
2016-01-06 2:07 ` [PATCH v6 2/4] powerpc: atomic: Implement atomic{,64}_*_return_* variants Boqun Feng
2016-01-06 2:08 ` [PATCH RESEND v6 2/4] powerpc: atomic: Implement atomic{, 64}_*_return_* variants Boqun Feng
2016-01-06 2:08 ` [PATCH RESEND v6 2/4] powerpc: atomic: Implement atomic{,64}_*_return_* variants Boqun Feng
2015-12-15 14:24 ` [PATCH v6 3/4] powerpc: atomic: Implement acquire/release/relaxed variants for xchg Boqun Feng
2015-12-15 14:24 ` [PATCH v6 4/4] powerpc: atomic: Implement acquire/release/relaxed variants for cmpxchg Boqun Feng
2015-12-18 17:12 ` [PATCH powerpc/next v6 0/4] atomics: powerpc: Implement relaxed/acquire/release variants Davidlohr Bueso
2015-12-20 7:15 ` Boqun Feng
2015-12-23 2:40 ` Michael Ellerman
2015-12-23 3:33 ` Boqun Feng
2015-12-23 10:54 ` Boqun Feng
2015-12-23 12:18 ` Davidlohr Bueso
2015-12-27 7:53 ` Michael Ellerman
2015-12-28 0:30 ` Boqun Feng
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