This is a note to let you know that I've just added the patch titled bug.h: Add WARN_RATELIMIT
to the 2.6.33-longterm tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/longterm/longterm-queue-2.6.33.git;a=summary The filename of the patch is: bug.h-add-warn_ratelimit.patch and it can be found in the queue-2.6.33 subdirectory. If you, or anyone else, feels it should not be added to the 2.6.33 longterm tree, please let <sta...@kernel.org> know about it. >From ac8da642f31961c5dbc7b6cf4053fc9c78720b05 Mon Sep 17 00:00:00 2001 From: Joe Perches <j...@perches.com> Date: Sat, 21 May 2011 07:48:39 +0000 Subject: bug.h: Add WARN_RATELIMIT From: Joe Perches <j...@perches.com> [ Upstream commit b3eec79b0776e5340a3db75b34953977c7e5086e ] Add a generic mechanism to ratelimit WARN(foo, fmt, ...) messages using a hidden per call site static struct ratelimit_state. Also add an __WARN_RATELIMIT variant to be able to use a specific struct ratelimit_state. Signed-off-by: Joe Perches <j...@perches.com> Signed-off-by: David S. Miller <da...@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gre...@suse.de> --- include/asm-generic/bug.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -50,6 +50,22 @@ struct bug_entry { #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0) #endif +#define __WARN_RATELIMIT(condition, state, format...) \ +({ \ + int rtn = 0; \ + if (unlikely(__ratelimit(state))) \ + rtn = WARN(condition, format); \ + rtn; \ +}) + +#define WARN_RATELIMIT(condition, format...) \ +({ \ + static DEFINE_RATELIMIT_STATE(_rs, \ + DEFAULT_RATELIMIT_INTERVAL, \ + DEFAULT_RATELIMIT_BURST); \ + __WARN_RATELIMIT(condition, &_rs, format); \ +}) + /* * WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report * significant issues that need prompt attention if they should ever Patches currently in longterm-queue-2.6.33 which might be from j...@perches.com are /home/gregkh/linux/longterm/longterm-queue-2.6.33/queue-2.6.33/net-filter-use-warn_ratelimit.patch /home/gregkh/linux/longterm/longterm-queue-2.6.33/queue-2.6.33/bug.h-add-warn_ratelimit.patch _______________________________________________ stable mailing list stable@linux.kernel.org http://linux.kernel.org/mailman/listinfo/stable