From: Peter Zijlstra <peterz@infradead.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Boqun Feng <boqun.feng@gmail.com>,
linuxppc-dev@lists.ozlabs.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Will Deacon <will.deacon@arm.com>
Subject: Re: [PATCH v3] powerpc: spinlock: Fix spin_unlock_wait()
Date: Thu, 9 Jun 2016 19:50:54 +0200 [thread overview]
Message-ID: <20160609175054.GY30154@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1465475008.16363.1.camel@ellerman.id.au>
On Thu, Jun 09, 2016 at 10:23:28PM +1000, Michael Ellerman wrote:
> Unfortunately the patch isn't 100%.
So what I'll do; since my patch is trying to ensure all implementations
of spin_unlock_wait() provide ACQUIRE semantics, and this patch does
indeed do so, is skip touching PPC entirely and hope this patch lands
before 4.8.
next prev parent reply other threads:[~2016-06-09 17:51 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-06 11:42 [PATCH v3] powerpc: spinlock: Fix spin_unlock_wait() Michael Ellerman
2016-06-06 11:56 ` Peter Zijlstra
2016-06-06 12:17 ` Michael Ellerman
2016-06-06 14:46 ` Peter Zijlstra
2016-06-08 11:20 ` Michael Ellerman
2016-06-08 12:35 ` Peter Zijlstra
2016-06-08 13:49 ` Michael Ellerman
2016-06-08 13:59 ` Peter Zijlstra
2016-06-09 12:23 ` Michael Ellerman
2016-06-09 17:25 ` Boqun Feng
2016-06-10 3:06 ` Boqun Feng
2016-06-09 17:50 ` Peter Zijlstra [this message]
2016-06-10 0:57 ` Michael Ellerman
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