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

From: Randy Dunlap
Date: Wed Sep 12 2007 - 13:18:22 EST


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@xxxxxxxxxx>

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@xxxxxxxxxx>
---
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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