Messages in this thread | | | Date | Tue, 21 Jan 2014 18:07:50 +0000 | From | Will Deacon <> | Subject | Re: [PATCH v4] arm: remove !CPU_V6 and !GENERIC_ATOMIC64 build dependencies for XEN |
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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,
Will
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