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Re: [PATCH v4 6/6] s390x: kvm: Make kvm_sclp_service_call void

From: Janosch Frank
Subject: Re: [PATCH v4 6/6] s390x: kvm: Make kvm_sclp_service_call void
Date: Wed, 27 Nov 2019 19:38:06 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1

On 11/27/19 7:25 PM, Janosch Frank wrote:
> There's 0 (initiated), busy and operational and as far as I know we
> implement neither.

That came out wrong...
s/operational/not operational/

We only implement "command initiated" / cc = 0
We can never have busy, because we handle sclp calls synchronously.
The spec does not give any indication when we could return "not
operational". I guess that's just a free pass for hypervisors.

> sclp_service_call() returns either 0 or -PGM_CODE, so we don't need to
> check when we're after the pgm injection code.

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