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Re: [Xen-devel] [PATCHv2 1/2] xen/prvicmd: use ENOTTY if the IOCTL is not supported

To: David Vrabel <david.vrabel@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
From: Juergen Gross <jgross@xxxxxxxx>
Date: Mon, 8 Aug 2016 12:35:42 +0200
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Delivery-date: Mon, 08 Aug 2016 10:35:46 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 04/08/16 17:16, David Vrabel wrote:
> The standard return value for ioctl(2) where the cmd is not supported
> is ENOTTY, not EINVAL.
> 
> Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>

Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen

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References:
- [Xen-devel] [PATCHv2 0/2] xen/privcmd: prevent page migration for hypercall buffers
  - From: David Vrabel
- [Xen-devel] [PATCHv2 1/2] xen/prvicmd: use ENOTTY if the IOCTL is not supported
  - From: David Vrabel

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