Re: [PATCH 1/1] KVM: s390: diag9c forwarding

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On 1/18/21 2:45 PM, Janosch Frank wrote:
On 1/18/21 2:17 PM, Christian Borntraeger wrote:
From: Pierre Morel <pmorel@xxxxxxxxxxxxx>

When we receive intercept a DIAG_9C from the guest we verify
that the target real CPU associated with the virtual CPU
designated by the guest is running and if not we forward the
DIAG_9C to the target real CPU.

To avoid a diag9c storm we allow a maximal rate of diag9c forwarding.

The rate is calculated as a count per second defined as a
new parameter of the s390 kvm module: diag9c_forwarding_hz .

The default value is to not forward diag9c.

Before Conny starts yelling I'll do it myself:
Documentation

yes, it comes soon.


--
Pierre Morel
IBM Lab Boeblingen



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