The patch titled
netconsole: Use netif_running() in write_msg()
has been added to the -mm tree. Its filename is
netconsole-use-netif_running-in-write_msg.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: netconsole: Use netif_running() in write_msg()
From: Satyam Sharma <satyam@xxxxxxxxxxxxx>
Avoid unnecessarily disabling interrupts and calling netpoll_send_udp() if the
corresponding local interface is not up.
Signed-off-by: Satyam Sharma <satyam@xxxxxxxxxxxxx>
Acked-by: Keiichi Kii <k-keiichi@xxxxxxxxxxxxx>
Cc: Matt Mackall <mpm@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/netconsole.c | 18 +++++++++---------
1 files changed, 9 insertions(+), 9 deletions(-)
diff -puN drivers/net/netconsole.c~netconsole-use-netif_running-in-write_msg drivers/net/netconsole.c
--- a/drivers/net/netconsole.c~netconsole-use-netif_running-in-write_msg
+++ a/drivers/net/netconsole.c
@@ -75,16 +75,16 @@ static void write_msg(struct console *co
int frag, left;
unsigned long flags;
- local_irq_save(flags);
-
- for (left = len; left;) {
- frag = min(left, MAX_PRINT_CHUNK);
- netpoll_send_udp(&np, msg, frag);
- msg += frag;
- left -= frag;
+ if (netif_running(np.dev)) {
+ local_irq_save(flags);
+ for (left = len; left;) {
+ frag = min(left, MAX_PRINT_CHUNK);
+ netpoll_send_udp(&np, msg, frag);
+ msg += frag;
+ left -= frag;
+ }
+ local_irq_restore(flags);
}
-
- local_irq_restore(flags);
}
static struct console netconsole = {
_
Patches currently in -mm which might be from satyam@xxxxxxxxxxxxx are
use-mutex-instead-of-semaphore-in-the-dvb-frontend-tuning-interface.patch
netconsole-cleanups-codingstyle-prettyfication.patch
netconsole-remove-bogus-check.patch
netconsole-simplify-boot-module-option-setup-logic.patch
netconsole-use-netif_running-in-write_msg.patch
netconsole-add-some-useful-tips-to-documentation.patch
netconsole-introduce-netconsole_target.patch
netconsole-introduce-netconsole_netdev_notifier.patch
netconsole-support-multiple-logging-targets.patch
netconsole-support-dynamic-reconfiguration-using-configfs.patch
use-mutex-instead-of-semaphore-in-the-onstream-scsi-tape-driver.patch
use-mutex-instead-of-semaphore-in-the-scsi-tape-driver.patch
use-mutex-instead-of-semaphore-in-the-host-ap-driver.patch
use-mutex-instead-of-semaphore-in-isdn-subsystem-common-functions.patch
-
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