Re: [PATCH 0/3] Use refcount_t for refcount

From: Leon Romanovsky
Date: Sun Aug 04 2019 - 08:48:32 EST


On Fri, Aug 02, 2019 at 08:10:35PM +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.
>
> First convert the refcount field to refcount_t in mlx5/driver.h.
> Then convert the uses to refcount_() APIs.

You can't do it, because you need to ensure that driver compiles and
works between patches. By converting driver.h alone to refcount_t, you
simply broke mlx5 driver.

NAK, to be clear.

And please don't sent series of patches as standalone patches.

Thanks,