Re: [PATCH 28/28] random: convert to ->poll_mask

[Greg KH]

On Wed, Mar 21, 2018 at 08:40:32AM +0100, Christoph Hellwig wrote:
> The big change is that random_read_wait and random_write_wait are merged
> into a single waitqueue that uses keyed wakeups.  Because wait_event_*
> doesn't know about that this will lead to occassional spurious wakeups
> in _random_read and add_hwgenerator_randomness, but wait_event_* is
> designed to handle these and were are not in a a hot path there.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  drivers/char/random.c | 27 +++++++++++++++------------
>  1 file changed, 15 insertions(+), 12 deletions(-)

Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>