From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4] arm: remove !CPU_V6 and !GENERIC_ATOMIC64 build dependencies for XEN
Date: Tue, 21 Jan 2014 18:07:50 +0000 [thread overview]
Message-ID: <20140121180750.GO30706@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <1390311864-19119-1-git-send-email-stefano.stabellini@eu.citrix.com>
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 at arndb.de
> CC: linux at arm.linux.org.uk
> CC: will.deacon at arm.com
> CC: catalin.marinas at arm.com
> CC: linux-arm-kernel at lists.infradead.org
> CC: linux-kernel at vger.kernel.org
> CC: xen-devel at lists.xenproject.org
Reviewed-by: Will Deacon <will.deacon@arm.com>
Cheers Stefano,
Will
next prev parent reply other threads:[~2014-01-21 18:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-21 13:44 [PATCH v4] arm: remove !CPU_V6 and !GENERIC_ATOMIC64 build dependencies for XEN Stefano Stabellini
2014-01-21 18:07 ` Will Deacon [this message]
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 ` [Xen-devel] " Ian Campbell
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