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Message-ID: <1259235525.9212.444.camel@calx>
Date:	Thu, 26 Nov 2009 05:38:45 -0600
From:	Matt Mackall <mpm@...enic.com>
To:	Ian Molton <ian.molton@...labora.co.uk>
Cc:	linux-kernel@...r.kernel.org, rusty@...tcorp.com.au,
	jeff@...zik.org
Subject: Re:

On Thu, 2009-11-26 at 10:49 +0000, Ian Molton wrote:
> Hi guys,
> 
> 	This version uses a statically allocated buffer. I dont feel it is a
> good idea not to pass the address and length of the buffer to the hardware
> drivers, as they shouldnt have intimate knowledge of the core, IMO.

I agree, but let me quote myself:
---
> +             if (!data_avail) {
> +                     bytes_read = rng_get_data(current_rng, rng_buffer,
> +                             RNG_BUFFSIZE, !(filp->f_flags & O_NONBLOCK));

No need to pass rng_buffer to the helper as there's only one with global
scope.
---

-- 
http://selenic.com : development and support for Mercurial and Linux


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