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

2019-08-13 Thread Roger Pau Monné
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.

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

2019-08-12 Thread Chuhong Yuan
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 --- Changes in v2: - Also convert pendin