From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: random: Wake up writers when random pools are zapped
Date: Sat, 19 May 2018 17:55:19 -0400 [thread overview]
Message-ID: <20180519215519.GA23448@thunk.org> (raw)
In-Reply-To: <20180518065736.szvspgdeyiaiqheb@gondor.apana.org.au>
On Fri, May 18, 2018 at 02:57:36PM +0800, Herbert Xu wrote:
> As it is when the pool is zapped with RNDCLEARPOOL writers are
> not woken up and therefore the pool may remain in the empty state
> indefinitely.
>
> This patch wakes them up unless the write threshold is set to zero.
>
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Thanks, applied.
Out of curiosity, how/when were you using RNDCLEARPOOL/RNDZAPENTCNT?
Hopefully it was only testing hw_random drivers, or some such?
- Ted
next prev parent reply other threads:[~2018-05-19 21:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-18 6:57 random: Wake up writers when random pools are zapped Herbert Xu
2018-05-19 21:55 ` Theodore Y. Ts'o [this message]
2018-05-20 3:02 ` Herbert Xu
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