Cc: <linux-kernel@...>, Andrew Morton <akpm@...>, Ingo Molnar <mingo@...>, Greg Kroah-Hartman <gregkh@...>, Christoph Hellwig <hch@...>, <ltt-dev@...>, <systemtap@...>, Douglas Niehaus <niehaus@...>, Martin J. Bligh <mbligh@...>, Thomas Gleixner <tglx@...>
So it is "one cpu may write, other cpus may read", and as big as
long. Are you sure obscure architectures (sparc?) can implement this
in useful way? ... maybe yes, unless obscure architecture exists where
second other cpu can see garbage data when first cpu writes into long
...?
Pavel
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