Re: [Xen-devel] [PATCH 09/45] xen: arm64: atomics

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2013-02-07 at 14:47 +0000, Tim Deegan wrote:
> At 15:56 +0000 on 23 Jan (1358956575), Ian Campbell wrote:
> > +#if 0 /* Currently unused in Xen */
> > +/*
> > + * 64-bit atomic operations.
> > + */
> 
> Do we imagine that we're going to need them or can we just drop them
> entirely?  I'd be happier to pull in an up-to-date set of atomic64 ops
> from linux if we need them than to deliberately carry dead code.

I've generally tried to keep these files as close to Linux as I can to
ease future syncing, but since future syncing in this case is likely to
mean "pull in a whole new implementation from Linux" perhaps I don't
care so much...

Ian.


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