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A large fleet may have several unhappy > systems, leaving the netcons infrastructure somewhat flustered. > > Reinstate the rate limit we had before. > Nit: How about avoiding the 'we' and saying: Reinstate the two-per-minute rate limit. > Fixes: ea324444ece9f ("x86/mce: Restore MCA polling interval halving") > Cc: stable@vger.kernel.org > Signed-off-by: Rik van Riel > Reviewed-by: Tony Luck > Reviewed-by: Qiuxu Zhuo > Reviewed-by: Breno Leitao > Signed-off-by: Breno Leitao > --- Reviewed-by: Sohil Mehta > arch/x86/kernel/cpu/mce/core.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c > index 50b1614968be6a..06f858faf2b1cd 100644 > --- a/arch/x86/kernel/cpu/mce/core.c > +++ b/arch/x86/kernel/cpu/mce/core.c > @@ -150,8 +150,12 @@ EXPORT_PER_CPU_SYMBOL_GPL(injectm); > > void mce_log(struct mce_hw_err *err) > { > + /* Not more than two messages every minute */ > + static DEFINE_RATELIMIT_STATE(ratelimit, 60*HZ, 2); > + > if (mce_gen_pool_add(err)) { > - pr_info(HW_ERR "Machine check events logged\n"); > + if (__ratelimit(&ratelimit)) > + pr_info(HW_ERR "Machine check events logged\n"); > irq_work_queue(&mce_irq_work); > } > } >