From: Christian Borntraeger <borntraeger@de.ibm.com>
To: Pierre Morel <pmorel@linux.ibm.com>, kvm@vger.kernel.org
Cc: linux-s390@vger.kernel.org, frankja@linux.ibm.com,
cohuck@redhat.com, david@redhat.com, thuth@redhat.com
Subject: Re: [PATCH v4 1/1] KVM: s390: diag9c (directed yield) forwarding
Date: Tue, 23 Feb 2021 16:12:02 +0100 [thread overview]
Message-ID: <ddbd3bc5-91f0-6588-6563-d5a890e210f2@de.ibm.com> (raw)
In-Reply-To: <1613997661-22525-2-git-send-email-pmorel@linux.ibm.com>
On 22.02.21 13:41, Pierre Morel wrote:
> When we 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 of 0 is to not forward diag9c.
>
> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
I will carry that via the s390kvm tree, thanks.
prev parent reply other threads:[~2021-02-23 15:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-22 12:41 [PATCH v4 0/1] KVM: s390: diag9c (directed yield) forwarding Pierre Morel
2021-02-22 12:41 ` [PATCH v4 1/1] " Pierre Morel
2021-02-23 11:14 ` Cornelia Huck
2021-02-23 11:32 ` Pierre Morel
2021-02-23 15:12 ` Christian Borntraeger [this message]
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