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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-08-08 16:21:02 -0400 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-08-08 16:21:02 -0400 |
commit | e4ddcb0a6bf04d53ce77b4eb87bbbb32c4261d11 (patch) | |
tree | d27d2fea50a384d97aa2d0cf5c8657c916f761d4 /kernel/printk.c | |
parent | f2afa7711f8585ffc088ba538b9a510e0d5dca12 (diff) | |
parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
download | kernel-crypto-e4ddcb0a6bf04d53ce77b4eb87bbbb32c4261d11.tar.gz kernel-crypto-e4ddcb0a6bf04d53ce77b4eb87bbbb32c4261d11.tar.xz kernel-crypto-e4ddcb0a6bf04d53ce77b4eb87bbbb32c4261d11.zip |
Merge commit 'v2.6.27-rc1' into for-linus
Diffstat (limited to 'kernel/printk.c')
-rw-r--r-- | kernel/printk.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 07ad9e7f7a6..a7f7559c5f6 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -933,7 +933,7 @@ void suspend_console(void) { if (!console_suspend_enabled) return; - printk("Suspending console(s)\n"); + printk("Suspending console(s) (use no_console_suspend to debug)\n"); acquire_console_sem(); console_suspended = 1; } @@ -1308,6 +1308,8 @@ void tty_write_message(struct tty_struct *tty, char *msg) } #if defined CONFIG_PRINTK + +DEFINE_RATELIMIT_STATE(printk_ratelimit_state, 5 * HZ, 10); /* * printk rate limiting, lifted from the networking subsystem. * @@ -1315,22 +1317,9 @@ void tty_write_message(struct tty_struct *tty, char *msg) * every printk_ratelimit_jiffies to make a denial-of-service * attack impossible. */ -int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst) -{ - return __ratelimit(ratelimit_jiffies, ratelimit_burst); -} -EXPORT_SYMBOL(__printk_ratelimit); - -/* minimum time in jiffies between messages */ -int printk_ratelimit_jiffies = 5 * HZ; - -/* number of messages we send before ratelimiting */ -int printk_ratelimit_burst = 10; - int printk_ratelimit(void) { - return __printk_ratelimit(printk_ratelimit_jiffies, - printk_ratelimit_burst); + return __ratelimit(&printk_ratelimit_state); } EXPORT_SYMBOL(printk_ratelimit); |