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Re: [Xen-devel] [PATCH v3 4/8] x86/vm_event/monitor/cr: check for vm-event subscriber on domctl

To: "Corneliu ZUZU" <czuzu@xxxxxxxxxxxxxxx>
From: "Jan Beulich" <JBeulich@xxxxxxxx>
Date: Wed, 06 Jul 2016 10:01:04 -0600
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxx
Delivery-date: Wed, 06 Jul 2016 16:01:14 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

>>> On 06.07.16 at 17:52, <czuzu@xxxxxxxxxxxxxxx> wrote:
> Also adjust returned error code for similar check from -EINVAL to more
> descriptive -ENOSYS (XEN_DOMCTL_MONITOR_OP_EMULATE_EACH_REP).

I'm not sure that's more descriptive, and we really try to not use
ENOSYS for other than unimplemented hypercalls. EOPNOTSUPP
perhaps?

Jan


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- Re: [Xen-devel] [PATCH v3 4/8] x86/vm_event/monitor/cr: check for vm-event subscriber on domctl
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References:
- [Xen-devel] [PATCH v3 0/8] x86/vm-event: Adjustments & fixes
  - From: Corneliu ZUZU
- [Xen-devel] [PATCH v3 4/8] x86/vm_event/monitor/cr: check for vm-event subscriber on domctl
  - From: Corneliu ZUZU

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