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Date:   Wed, 21 Mar 2018 10:10:47 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Christoph Hellwig <hch@....de>
Cc:     viro@...iv.linux.org.uk, Avi Kivity <avi@...lladb.com>,
        linux-aio@...ck.org, linux-fsdevel@...r.kernel.org,
        netdev@...r.kernel.org, linux-api@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 28/28] random: convert to ->poll_mask

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@....de>
> ---
>  drivers/char/random.c | 27 +++++++++++++++------------
>  1 file changed, 15 insertions(+), 12 deletions(-)

Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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