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From: Daniel Borkmann <dborkman@redhat.com>
To: Joe Perches <joe@perches.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
	"Theodore Ts'o" <tytso@mit.edu>
Subject: Re: [PATCH net-next 1/2] net: introduce generic net_random_N helper
Date: Tue, 03 Sep 2013 13:40:33 +0200	[thread overview]
Message-ID: <5225CAB1.7080402@redhat.com> (raw)
In-Reply-To: <1378206045.2048.9.camel@joe-AO722>

On 09/03/2013 01:00 PM, Joe Perches wrote:
> On Tue, 2013-09-03 at 12:26 +0200, Daniel Borkmann wrote:
>> We have implemented the same function over and over, so introduce a
>> generic helper net_random_N() that unifies these implementations.
>> It internally used net_random() which eventually resolves to
>> prandom_u32(). Explicit include of reciprocal_div.h is not necessary.
>
> Perhaps adding a generic helper to random.h like
> 	u32 prandom_u32_between(u32 low, u32 high);
> or
> 	u32 prandom_u32_range(u32 bound1, u32 bound2)
> would be better.

Sure, this could be done as a follow-up. Once, we've migrated users to
the new API, follow-ups could go ahead to do the rest, and migration
will be easy. Note that the lower bound is 0 here.

  reply	other threads:[~2013-09-03 11:40 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-03 10:26 [PATCH net-next 0/2] net_random_N, reciprocal_divide helper updates Daniel Borkmann
2013-09-03 10:26 ` [PATCH net-next 1/2] net: introduce generic net_random_N helper Daniel Borkmann
2013-09-03 11:00   ` Joe Perches
2013-09-03 11:40     ` Daniel Borkmann [this message]
2013-09-03 12:15       ` Joe Perches
2013-09-03 12:26         ` Daniel Borkmann
2013-09-03 12:41           ` Joe Perches
2013-09-03 13:59   ` Eric Dumazet
2013-09-03 10:26 ` [PATCH net-next 2/2] net: use reciprocal_divide instead of reimplementing it Daniel Borkmann
2013-09-03 14:02   ` Eric Dumazet
2013-09-03 14:35     ` Daniel Borkmann

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