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Re: [Xen-devel] [PATCH v2 for-4.7 13/14] oxenstored: fix error when shifting negative value

On Tue, Apr 26, 2016 at 04:37:49PM +0100, Andrew Cooper wrote:
> On 26/04/16 16:35, Wei Liu wrote:
> > The title is a bit too cryptic to me. Where do that shift happen?
> Ocaml stores integers shifted left by one, and with the bottom bit set.
> Values with the bottom bit clear are pointers into the GC'd heap. 
> Values with the bottom bit set are integers, and need to be shifted by 1
> bit to have calculations performed.

This is better.

Roger, can you add the above paragraphs to commit message? Thanks.


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