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Re: [Xen-devel] [PATCH v2 3/3] xen/blkback: Use refcount_t for refcount

On Tue, Aug 13, 2019 at 02:16:50PM +0800, Chuhong Yuan wrote:
> Reference counters are preferred to use refcount_t instead of
> atomic_t.
> This is because the implementation of refcount_t can prevent
> overflows and detect possible use-after-free.
> So convert atomic_t ref counters to refcount_t.
> Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx>

Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks, Roger.

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