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From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: "Tobin C. Harding" <me@tobin.cc>
Cc: linux-kernel@vger.kernel.org,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Kees Cook <keescook@chromium.org>,
	Anna-Maria Gleixner <anna-maria@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH 2/3] random: Return nbytes filled from hw RNG
Date: Tue, 1 May 2018 20:19:21 -0400	[thread overview]
Message-ID: <20180502001921.GB24100@thunk.org> (raw)
In-Reply-To: <1525217620-4107-3-git-send-email-me@tobin.cc>

On Wed, May 02, 2018 at 09:33:39AM +1000, Tobin C. Harding wrote:
> Currently the function get_random_bytes_arch() has return value 'void'.
> If the hw RNG fails we currently fall back to using get_random_bytes().
> This defeats the purpose of requesting random material from the hw RNG
> in the first place.
> 
> There are currently no intree users of get_random_bytes_arch().
> 
> Only get random bytes from the hw RNG, make function return the number
> of bytes retrieved from the hw RNG.
> 
> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
> Signed-off-by: Tobin C. Harding <me@tobin.cc>

Acked-by: Theodore Ts'o <tytso@mit.edu>

  parent reply	other threads:[~2018-05-02  0:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-01 23:33 [PATCH 0/3] enable early printing of hashed pointers Tobin C. Harding
2018-05-01 23:33 ` [PATCH 1/3] random: Fix whitespace pre random-bytes work Tobin C. Harding
2018-05-02  0:18   ` Theodore Y. Ts'o
2018-05-01 23:33 ` [PATCH 2/3] random: Return nbytes filled from hw RNG Tobin C. Harding
2018-05-01 23:44   ` Tobin C. Harding
2018-05-02  0:19   ` Theodore Y. Ts'o [this message]
2018-05-02  1:39   ` Steven Rostedt
2018-05-02  2:07     ` Tobin C. Harding
2018-05-01 23:33 ` [PATCH 3/3] vsprintf: Add use-early-random-bytes cmd line option Tobin C. Harding
2018-05-02  1:02   ` Linus Torvalds
2018-05-02  1:27     ` tcharding
2018-05-02  1:45       ` Steven Rostedt
2018-05-02  2:05         ` tcharding
2018-05-02  2:51         ` Linus Torvalds
2018-05-02 21:56   ` Andrew Morton
2018-05-03  2:56     ` Tobin C. Harding

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