[PATCH v3 3/6] KVM: PPC: Don't use pr_emerg when mmio emulation fails

Fabiano Rosas farosas at linux.ibm.com
Wed Jan 12 01:39:39 AEDT 2022


Nicholas Piggin <npiggin at gmail.com> writes:

> Excerpts from Fabiano Rosas's message of January 8, 2022 7:00 am:
>> If MMIO emulation fails we deliver a Program interrupt to the
>> guest. This is a normal event for the host, so use pr_info.
>> 
>> Signed-off-by: Fabiano Rosas <farosas at linux.ibm.com>
>> ---
>
> Should it be rate limited to prevent guest spamming host log? In the 
> case of informational messages it's always good if it gives the 
> administrator some idea of what to do with it. If it's normal
> for the host does it even need a message? If yes, then identifying which
> guest and adding something like "(this might becaused by a bug in guest 
> driver)" would set the poor admin's mind at rest.

I'll drop this message then and improve the other one that is emitted
earlier at the emulation code.


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