Re: [PATCH] x86/mce: Restore rate limit on MCE logged message

[Breno Leitao]

On Sun, Nov 08, 2026 at 02:37:51PM -0500, Rik van Riel wrote:
> FCommit ea324444ece9f moved the "Machine check events logged"
> print from mce_notify_irq() into mce_log() and dropped its
> two-per-minute rate limit as a side effect.
> 
> A particularly unhappy system can spew out around 100 million
> of those "Machine check events logged" messages every hour,
> without that rate limit. A large fleet may have several unhappy
> systems, leaving the netcons infrastructure somewhat flustered.
> 
> Reinstate the rate limit we had before.
> 
> Fixes: ea324444ece9f ("x86/mce: Restore MCA polling interval halving")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Rik van Riel <riel@xxxxxxxxxxx>

Reviewed-by: Breno Leitao <leitao@xxxxxxxxxx>