From: Pan Xinhui <xinhui@linux.vnet.ibm.com>
To: Boqun Feng <boqun.feng@gmail.com>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au,
peterz@infradead.org, 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 18:21:27 +0800 [thread overview]
Message-ID: <5721E427.3000109@linux.vnet.ibm.com> (raw)
In-Reply-To: <20160427145937.GM3369@insomnia>
On 2016年04月27日 22:59, Boqun Feng wrote:
> On Wed, Apr 27, 2016 at 10:50:34PM +0800, Boqun Feng wrote:
>>
>> Sorry, my bad, we can't implement cmpxchg like this.. please ignore
>> this, I should really go to bed soon...
>>
>> But still, we can save the "tmp" for xchg() I think.
>>
>
> No.. we can't. Sorry for all the noise.
>
> This patch looks good to me.
>
> FWIW, you can add
>
> Acked-by: Boqun Feng <boqun.feng@gmail.com>
>
thanks!
> Regards,
> Boqun
>
next prev parent reply other threads:[~2016-04-28 10:22 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 [this message]
2016-04-28 7:59 ` Peter Zijlstra
2016-04-28 10:21 ` Pan Xinhui
2016-11-25 0:04 ` [V4] " Michael Ellerman
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