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Re: [PATCH v3] s390/kvm: fix diag318 propagation and reset functionality
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From: |
Thomas Huth |
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Subject: |
Re: [PATCH v3] s390/kvm: fix diag318 propagation and reset functionality |
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Date: |
Sun, 15 Nov 2020 17:47:17 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 |
On 13/11/2020 23.10, Collin Walling wrote:
> The Control Program Name Code (CPNC) portion of the diag318
> info must be set within the SIE block of each VCPU in the
> configuration. The handler will iterate through each VCPU
> and dirty the diag318_info reg to be synced with KVM on a
> subsequent sync_regs call.
>
> Additionally, the diag318 info resets must be handled via
> userspace. As such, QEMU will reset this value for each
> VCPU during a modified clear, load normal, and load clear
> reset event.
>
> Fixes: fabdada9357b ("s390: guest support for diagnose 0x318")
> Signed-off-by: Collin Walling <walling@linux.ibm.com>
> ---
Patch looks fine to me now.
Reviewed-by: Thomas Huth <thuth@redhat.com>