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Message-ID: <20081103043033.13607.2028.stgit@jtkirshe-mobile.jf.intel.com>
Date:	Sun, 02 Nov 2008 20:30:33 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	jeff@...zik.org
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Andrew Gallatin <gallatin@...i.com>
Subject: [UPDATED PATCH] net: kconfig cleanup

The bool kconfig option added to ixgbe and myri10ge for DCA is ambigous,
so this patch adds a description to the kconfig option.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
CC: Andrew Gallatin <gallatin@...i.com>
---

 drivers/net/Kconfig |   18 +++++++++++++++---
 1 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index f749b40..11f143f 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2010,9 +2010,13 @@ config IGB_LRO
 	  If in doubt, say N.
 
 config IGB_DCA
-	bool "Enable DCA"
+	bool "Direct Cache Access (DCA) Support"
 	default y
 	depends on IGB && DCA && !(IGB=y && DCA=m)
+	---help---
+	  Say Y here if you want to use Direct Cache Access (DCA) in the
+	  driver.  DCA is a method for warming the CPU cache before data
+	  is used, with the intent of lessening the impact of cache misses.
 
 source "drivers/net/ixp2000/Kconfig"
 
@@ -2437,9 +2441,13 @@ config IXGBE
 	  will be called ixgbe.
 
 config IXGBE_DCA
-	bool
+	bool "Direct Cache Access (DCA) Support"
 	default y
 	depends on IXGBE && DCA && !(IXGBE=y && DCA=m)
+	---help---
+	  Say Y here if you want to use Direct Cache Access (DCA) in the
+	  driver.  DCA is a method for warming the CPU cache before data
+	  is used, with the intent of lessening the impact of cache misses.
 
 config IXGB
 	tristate "Intel(R) PRO/10GbE support"
@@ -2489,9 +2497,13 @@ config MYRI10GE
 	  will be called myri10ge.
 
 config MYRI10GE_DCA
-	bool
+	bool "Direct Cache Access (DCA) Support"
 	default y
 	depends on MYRI10GE && DCA && !(MYRI10GE=y && DCA=m)
+	---help---
+	  Say Y here if you want to use Direct Cache Access (DCA) in the
+	  driver.  DCA is a method for warming the CPU cache before data
+	  is used, with the intent of lessening the impact of cache misses.
 
 config NETXEN_NIC
 	tristate "NetXen Multi port (1/10) Gigabit Ethernet NIC"

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