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Merge branch 'core-printk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'core-printk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  ratelimit: Make suppressed output messages more useful
  printk: Remove ratelimit.h from kernel.h
  ratelimit: Fix/allow use in atomic contexts
  ratelimit: Use per ratelimit context locking
This commit is contained in:
Linus Torvalds
2009-12-05 09:50:22 -08:00
parent 3e72b810e3 5c82871335
commit d0b093a8b5
8 changed files with 62 additions and 38 deletions
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7
kernel/printk.c
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@ -33,6 +33,7 @@
#include <linux/bootmem.h>
#include <linux/syscalls.h>
#include <linux/kexec.h>
#include <linux/ratelimit.h>
#include <asm/uaccess.h>
@ -1376,11 +1377,11 @@ late_initcall(disable_boot_consoles);
*/
DEFINE_RATELIMIT_STATE(printk_ratelimit_state, 5 * HZ, 10);
int printk_ratelimit(void)
int __printk_ratelimit(const char *func)
{
return __ratelimit(&printk_ratelimit_state);
return ___ratelimit(&printk_ratelimit_state, func);
}
EXPORT_SYMBOL(printk_ratelimit);
EXPORT_SYMBOL(__printk_ratelimit);
/**
* printk_timed_ratelimit - caller-controlled printk ratelimiting

3
kernel/sysctl.c
View File

@ -36,6 +36,7 @@
#include <linux/sysrq.h>
#include <linux/highuid.h>
#include <linux/writeback.h>
#include <linux/ratelimit.h>
#include <linux/hugetlb.h>
#include <linux/initrd.h>
#include <linux/key.h>
@ -158,6 +159,8 @@ extern int no_unaligned_warning;
extern int unaligned_dump_stack;
#endif
extern struct ratelimit_state printk_ratelimit_state;
#ifdef CONFIG_RT_MUTEXES
extern int max_lock_depth;
#endif