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: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
e949b09b71
commit
c1a6085195
|
@ -56,6 +56,10 @@ static char config[MAX_PARAM_LENGTH];
|
||||||
module_param_string(netconsole, config, MAX_PARAM_LENGTH, 0);
|
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]");
|
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
|
#ifndef MODULE
|
||||||
static int __init option_setup(char *opt)
|
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;
|
struct netconsole_target *nt;
|
||||||
const char *tmp;
|
const char *tmp;
|
||||||
|
|
||||||
|
if (oops_only && !oops_in_progress)
|
||||||
|
return;
|
||||||
/* Avoid taking lock and disabling interrupts unnecessarily */
|
/* Avoid taking lock and disabling interrupts unnecessarily */
|
||||||
if (list_empty(&target_list))
|
if (list_empty(&target_list))
|
||||||
return;
|
return;
|
||||||
|
|
Reference in New Issue