From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: Will Deacon <will.deacon@arm.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
"jaccon.bastiaansen@gmail.com" <jaccon.bastiaansen@gmail.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"linux@arm.linux.org.uk" <linux@arm.linux.org.uk>,
Catalin Marinas <Catalin.Marinas@arm.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v4] arm: remove !CPU_V6 and !GENERIC_ATOMIC64 build dependencies for XEN
Date: Fri, 31 Jan 2014 15:18:10 +0000 [thread overview]
Message-ID: <alpine.DEB.2.02.1401311517260.4373@kaball.uk.xensource.com> (raw)
In-Reply-To: <20140121180750.GO30706@mudshark.cambridge.arm.com>
On Tue, 21 Jan 2014, Will Deacon wrote:
> On Tue, Jan 21, 2014 at 01:44:24PM +0000, Stefano Stabellini wrote:
> > Remove !GENERIC_ATOMIC64 build dependency:
> > - introduce xen_atomic64_xchg
> > - use it to implement xchg_xen_ulong
> >
> > Remove !CPU_V6 build dependency:
> > - introduce __cmpxchg8 and __cmpxchg16, compiled even ifdef
> > CONFIG_CPU_V6
> > - implement sync_cmpxchg using __cmpxchg8 and __cmpxchg16
> >
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> > CC: arnd@arndb.de
> > CC: linux@arm.linux.org.uk
> > CC: will.deacon@arm.com
> > CC: catalin.marinas@arm.com
> > CC: linux-arm-kernel@lists.infradead.org
> > CC: linux-kernel@vger.kernel.org
> > CC: xen-devel@lists.xenproject.org
>
> Reviewed-by: Will Deacon <will.deacon@arm.com>
>
> Cheers Stefano,
Do you think it is acceptable to have this in 3.14?
Maybe we should aim at 3.15?
next prev parent reply other threads:[~2014-01-31 15:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-21 13:44 Stefano Stabellini
2014-01-21 18:07 ` Will Deacon
2014-01-21 18:17 ` Stefano Stabellini
2014-01-31 15:18 ` Stefano Stabellini [this message]
2014-02-17 12:33 ` Stefano Stabellini
2014-03-25 11:27 ` Stefano Stabellini
2014-01-22 9:43 ` [Xen-devel] " Ian Campbell
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