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Commit c1a60851 authored by Amerigo Wang's avatar Amerigo Wang Committed by David S. Miller
Browse files

netconsole: add oops_only module option 



Some people wants to log only oops messages via netconsole,
(this is also why netoops was invented)
so add a module option for netconsole. This can be tuned
via /sys/module/netconsole/parameters/oops_only at run time
as well.

Cc: David Miller <davem@davemloft.net>
Signed-off-by: default avatarCong Wang <amwang@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e949b09b

drivers/net/netconsole.c

+6 −0
Original line number Diff line number Diff line
@@ -56,6 +56,10 @@ static char config[MAX_PARAM_LENGTH]; 
module_param_string(netconsole, config, MAX_PARAM_LENGTH, 0);

MODULE_PARM_DESC(netconsole, " netconsole=[src-port]@[src-ip]/[dev],[tgt-port]@<tgt-ip>/[tgt-macaddr]");



static bool oops_only = false;

module_param(oops_only, bool, 0600);

MODULE_PARM_DESC(oops_only, "Only log oops messages");



#ifndef	MODULE

static int __init option_setup(char *opt)

{
@@ -683,6 +687,8 @@ static void write_msg(struct console *con, const char *msg, unsigned int len) 
	struct netconsole_target *nt;

	const char *tmp;



	if (oops_only && !oops_in_progress)

		return;

	/* Avoid taking lock and disabling interrupts unnecessarily */

	if (list_empty(&target_list))

		return;