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From: Chris Friesen <chris.friesen@genband.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Bill Fink <billfink@mindspring.com>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Thomas Graf <tgraf@suug.ch>, Vimal <j.vimal@gmail.com>,
	netdev@vger.kernel.org, shemminger <shemminger@vyatta.com>
Subject: Re: [PATCH] Rate should be u64 to avoid integer overflow at high speeds (>= ~35Gbit)
Date: Wed, 13 Mar 2013 10:57:42 -0600	[thread overview]
Message-ID: <5140B006.500@genband.com> (raw)
In-Reply-To: <20130313083400.2329e982@nehalam.linuxnetplumber.net>

On 03/13/2013 09:34 AM, Stephen Hemminger wrote:

> As others have said the multiplier shift approach is a not a workable
> solution because it is likely to cause too many compatibility surprises.
> Older kernels would ignore the multiplier and therefore not give the users
> the effective rate they wanted.

How is that any different than ignoring the 64-bit value and not giving 
the effective rate they wanted?

Chris

  reply	other threads:[~2013-03-13 16:58 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-10  3:20 [PATCH] Rate should be u64 to avoid integer overflow at high speeds (>= ~35Gbit) Vimalkumar
2013-03-10  4:03 ` Eric Dumazet
2013-03-10  4:53   ` Vimal
2013-03-10  5:05     ` Eric Dumazet
2013-03-10  5:49       ` Bill Fink
2013-03-10  5:54         ` Eric Dumazet
2013-03-12 14:29           ` Chris Friesen
2013-03-12 15:42             ` Thomas Graf
2013-03-12 15:44               ` Eric Dumazet
2013-03-12 15:53               ` Chris Friesen
2013-03-12 15:56                 ` Chris Friesen
2013-03-13  6:01               ` Bill Fink
2013-03-13  6:13                 ` Eric Dumazet
2013-03-13 15:29                   ` Bill Fink
2013-03-13 15:34                     ` Stephen Hemminger
2013-03-13 16:57                       ` Chris Friesen [this message]
2013-03-14  4:08                       ` Bill Fink

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