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From: Richard Weinberger <richard@nod.at>
To: Dark <dark@volatile.bz>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
	linux-um <linux-um@lists.infradead.org>,
	Richard Weinberger <richard.weinberger@gmail.com>,
	Johannes Berg <johannes@sipsolutions.net>
Subject: Re: [PATCH v2] um: Rewrite host RNG driver.
Date: Thu, 29 Aug 2019 20:48:33 +0200 (CEST)	[thread overview]
Message-ID: <899887272.76523.1567104513068.JavaMail.zimbra@nod.at> (raw)
In-Reply-To: <20190829135001.6a5ff940@TheDarkness.local>

----- Ursprüngliche Mail -----
> Von: "Dark" <dark@volatile.bz>
> +	// Returning -EAGAIN to userspace is not nice.
> +	if (err == -EAGAIN)
> +		return 0;

Hmm, doesn't this result in a short read?
The current drives sets the calling task to sleep and wakes
it up as soon data is available again. I'd assumes ti have the
same behavior for the new driver.

Thanks,
//richard

  reply	other threads:[~2019-08-29 18:48 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-29 17:56 Alexander Neville
2019-08-29 18:48 ` Richard Weinberger [this message]
2019-08-29 20:56   ` Alexander Neville
2019-08-29 21:03     ` Richard Weinberger

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