On Tue, 2014-12-02 at 11:46 +0200, Vladimir Kondratiev wrote:
> Add rate-limited flavor of wil_err(); in some cases,
> specially in IRQ and data path, if something went wrong,
> error message may be printed at very high rate, rendering
> whole system unresponsive or unstable.
> Need to do real function and not a macro to have arguments
> always evaluated.
net_<foo>_ratelimited uses the same form.
include/linux/net.h:#define net_ratelimited_function(function, ...)
include/linux/net.h-do {
include/linux/net.h- if (net_ratelimit())
include/linux/net.h- function(__VA_ARGS__);
include/linux/net.h-} while (0)
include/linux/net.h-#define net_err_ratelimited(fmt, ...)
include/linux/net.h: net_ratelimited_function(pr_err, fmt, ##__VA_ARGS__)
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