linux-kernel - [PATCH -mm] 2.6.23-rc4-mm1: kgdboe link errors

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Message-Id: <20070912101537.129d10c7.randy.dunlap@oracle.com>
Date:	Wed, 12 Sep 2007 10:15:37 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	kgdb-bugreport@...ts.sourceforge.net, amitkale@...syssoft.com,
	jason.wessel@...driver.com,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Matt Mackall <mpm@...enic.com>
Subject: [PATCH -mm] 2.6.23-rc4-mm1: kgdboe link errors

On Wed, 12 Sep 2007 11:31:22 +0200 Jiri Slaby wrote:

> randconfig [1] causes this link errors:
> ERROR: "netpoll_cleanup" [drivers/net/kgdboe.ko] undefined!
> ERROR: "netpoll_setup" [drivers/net/kgdboe.ko] undefined!
> ERROR: "netpoll_parse_options" [drivers/net/kgdboe.ko] undefined!
> ERROR: "netpoll_poll" [drivers/net/kgdboe.ko] undefined!
> ERROR: "netpoll_send_udp" [drivers/net/kgdboe.ko] undefined!
> ERROR: "netpoll_set_trap" [drivers/net/kgdboe.ko] undefined!
> make[2]: *** [__modpost] Error 1
> make[1]: *** [modules] Error 2
> make: *** [all] Error 2
> 
> [1] http://www.fi.muni.cz/~xslaby/sklad/1.config


From: Randy Dunlap <randy.dunlap@...cle.com>

Fix kgdb build problems:
  Building modules, stage 2.
ERROR: "netpoll_cleanup" [drivers/net/kgdboe.ko] undefined!
ERROR: "netpoll_setup" [drivers/net/kgdboe.ko] undefined!
ERROR: "netpoll_parse_options" [drivers/net/kgdboe.ko] undefined!
ERROR: "netpoll_poll" [drivers/net/kgdboe.ko] undefined!
ERROR: "netpoll_send_udp" [drivers/net/kgdboe.ko] undefined!
ERROR: "netpoll_set_trap" [drivers/net/kgdboe.ko] undefined!
make[1]: *** [__modpost] Error 1


Add 'select' for net-poll/console related config symbols, but
make KGDBOE 'depend on' NET.  We don't want to 'select' CONFIG_NET,
but if it is already enabled, the 'select's will enable the rest
of the needed interfaces.

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 lib/Kconfig.kgdb |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- linux-2.6.23-rc4-mm1.orig/lib/Kconfig.kgdb
+++ linux-2.6.23-rc4-mm1/lib/Kconfig.kgdb
@@ -174,9 +174,11 @@ endchoice
 
 config KGDBOE
 	tristate "KGDB: On ethernet" if !KGDBOE_NOMODULE
-	depends on m && KGDB
+	depends on m && KGDB && NET
+	select NETCONSOLE
 	select NETPOLL
 	select NETPOLL_TRAP
+	select NET_POLL_CONTROLLER
 	help
 	  Uses the NETPOLL API to communicate with the host GDB via UDP.
 	  In order for this to work, the ethernet interface specified must
-
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