linux-kernel - Re: [V4] powerpc: Implement {cmp}xchg for u8 and u16

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Message-Id: <3tPxBg4LhYz9t80@ozlabs.org>
Date:   Fri, 25 Nov 2016 11:04:10 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     xinhui <xinhui@...ux.vnet.ibm.com>, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Cc:     peterz@...radead.org, boqun.feng@...il.com, paulus@...ba.org,
        tglx@...utronix.de, paulmck@...ux.vnet.ibm.com
Subject: Re: [V4] powerpc: Implement {cmp}xchg for u8 and u16

On Wed, 2016-04-27 at 09:16:45 UTC, xinhui wrote:
> From: Pan Xinhui <xinhui.pan@...ux.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@...radead.org>
> Signed-off-by: Pan Xinhui <xinhui.pan@...ux.vnet.ibm.com>
> Acked-by: Boqun Feng <boqun.feng@...il.com>
> Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/d0563a1297e234ed37f6b51c2e9321

cheers