From: Ian Campbell <Ian.Campbell@citrix.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: <will.deacon@arm.com>, <linux@arm.linux.org.uk>, <arnd@arndb.de>,
<catalin.marinas@arm.com>, <jaccon.bastiaansen@gmail.com>,
<linux-kernel@vger.kernel.org>, <xen-devel@lists.xenproject.org>,
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [Xen-devel] [PATCH v4] arm: remove !CPU_V6 and !GENERIC_ATOMIC64 build dependencies for XEN
Date: Wed, 22 Jan 2014 09:43:51 +0000 [thread overview]
Message-ID: <1390383831.32519.26.camel@kazak.uk.xensource.com> (raw)
In-Reply-To: <1390311864-19119-1-git-send-email-stefano.stabellini@eu.citrix.com>
On Tue, 2014-01-21 at 13:44 +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>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
prev parent reply other threads:[~2014-01-22 9:43 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
2014-02-17 12:33 ` Stefano Stabellini
2014-03-25 11:27 ` Stefano Stabellini
2014-01-22 9:43 ` Ian Campbell [this message]
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