From: Peter Zijlstra <peterz@infradead•org>
To: Pan Xinhui <xinhui@linux•vnet.ibm.com>
Cc: linux-kernel@vger•kernel.org, linuxppc-dev@lists•ozlabs.org,
benh@kernel•crashing.org, paulus@samba•org, mpe@ellerman•id.au,
boqun.feng@gmail•com, paulmck@linux•vnet.ibm.com,
tglx@linutronix•de
Subject: Re: [PATCH V4] powerpc: Implement {cmp}xchg for u8 and u16
Date: Thu, 28 Apr 2016 09:59:13 +0200 [thread overview]
Message-ID: <20160428075913.GT3430@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <5720837D.6050807@linux.vnet.ibm.com>
On Wed, Apr 27, 2016 at 05:16:45PM +0800, Pan Xinhui wrote:
> From: Pan Xinhui <xinhui.pan@linux•vnet.ibm.com>
>
> Implement xchg{u8,u16}{local,relaxed}, and
> cmpxchg{u8,u16}{,local,acquire,relaxed}.
>
> It works on all ppc.
>
> remove volatile of first parameter in __cmpxchg_local and __cmpxchg
>
> Suggested-by: Peter Zijlstra (Intel) <peterz@infradead•org>
> Signed-off-by: Pan Xinhui <xinhui.pan@linux•vnet.ibm.com>
Generally has the right shape; and I trust others to double check the
ppc-asm minutia.
Acked-by: Peter Zijlstra (Intel) <peterz@infradead•org>
next prev parent reply other threads:[~2016-04-28 7:59 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-19 6:29 [PATCH V2] powerpc: Implement {cmp}xchg for u8 and u16 Pan Xinhui
2016-04-19 9:18 ` Boqun Feng
2016-04-20 3:39 ` Pan Xinhui
2016-04-20 13:24 ` [PATCH V3] " Pan Xinhui
2016-04-20 14:24 ` Peter Zijlstra
2016-04-21 15:35 ` Pan Xinhui
2016-04-21 15:52 ` Boqun Feng
2016-04-22 1:59 ` Pan Xinhui
2016-04-22 3:16 ` Boqun Feng
2016-04-21 16:13 ` Peter Zijlstra
2016-04-25 10:10 ` Pan Xinhui
2016-04-25 15:37 ` Peter Zijlstra
2016-04-26 11:35 ` Pan Xinhui
2016-04-27 9:16 ` [PATCH V4] " Pan Xinhui
2016-04-27 13:58 ` Boqun Feng
2016-04-27 14:16 ` Boqun Feng
2016-04-27 14:50 ` Boqun Feng
2016-04-27 14:59 ` Boqun Feng
2016-04-28 10:21 ` Pan Xinhui
2016-04-28 7:59 ` Peter Zijlstra [this message]
2016-04-28 10:21 ` Pan Xinhui
2016-11-25 0:04 ` [V4] " Michael Ellerman
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