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From: Ben Hutchings <bhutchings@solarflare.com>
To: David Miller <davem@davemloft.net>
Cc: jeffrey.t.kirsher@intel.com, netdev@vger.kernel.org,
	alexander.h.duyck@intel.com
Subject: Re: [net-next-2.6 PATCH 3/4] ixgbe: remove rx_hdr_split debug counter for non-debug configurations
Date: Wed, 27 May 2009 12:16:57 +0100	[thread overview]
Message-ID: <1243423017.16597.143.camel@deadeye> (raw)
In-Reply-To: <20090526.203810.50281143.davem@davemloft.net>

On Tue, 2009-05-26 at 20:38 -0700, David Miller wrote:
> From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
> Date: Tue, 26 May 2009 17:54:45 -0700
> 
> > The counter rx_hdr_split was meant to be a debug counter.  As such it
> > should only be enabled when debugging.
> > 
> > Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> > Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
> 
> I disagree with this change.
> 
> Any statistic is useful for diagnosing problems by users, and
> if you hide it behind DEBUG then users never see the facility.
> 
> Either it's unconditionally in the driver or it's unconditionally out.
> I say keep it in :-)

If rx_hdr_split means the same thing at Intel as it does here, it's a
hardware feature Microsoft wants for use in Hyper-V and it won't be
enabled under Linux.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

  reply	other threads:[~2009-05-27 11:17 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-27  0:54 [net-next-2.6 PATCH 1/4] ixgbe: fix 82598 SFP initialization after driver load Jeff Kirsher
2009-05-27  0:54 ` [net-next-2.6 PATCH 2/4] ixgbe: fix driver loading with unsupported module on 82598 Jeff Kirsher
2009-05-27  1:28   ` Ben Hutchings
2009-05-27  3:41     ` David Miller
2009-05-27  0:54 ` [net-next-2.6 PATCH 3/4] ixgbe: remove rx_hdr_split debug counter for non-debug configurations Jeff Kirsher
2009-05-27  3:38   ` David Miller
2009-05-27 11:16     ` Ben Hutchings [this message]
2009-05-27 20:52       ` David Miller
2009-05-29  0:01         ` Duyck, Alexander H
2009-05-29  0:04           ` David Miller
2009-05-27  0:55 ` [net-next-2.6 PATCH 4/4] ixgbe: Remove device ID 0x10d8 Jeff Kirsher
2009-05-27  3:40   ` David Miller
2009-05-27  3:40 ` [net-next-2.6 PATCH 1/4] ixgbe: fix 82598 SFP initialization after driver load David Miller

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