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Re: [PATCH 1/1] docs/s390x: fix vfio-ap device_del description


From: Thomas Huth
Subject: Re: [PATCH 1/1] docs/s390x: fix vfio-ap device_del description
Date: Wed, 17 Jun 2020 19:17:54 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0

On 17/06/2020 18.06, Christian Borntraeger wrote:
> device_del requires an id and not a sysfsfile.
> 
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
>  docs/system/s390x/vfio-ap.rst | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/docs/system/s390x/vfio-ap.rst b/docs/system/s390x/vfio-ap.rst
> index 3cd84179a2df..f441df69edde 100644
> --- a/docs/system/s390x/vfio-ap.rst
> +++ b/docs/system/s390x/vfio-ap.rst
> @@ -606,10 +606,11 @@ action.
>  
>  To hot plug a vfio-ap device, use the QEMU ``device_add`` command::
>  
> -    (qemu) device_add vfio-ap,sysfsdev="$path-to-mdev"
> +    (qemu) device_add vfio-ap,sysfsdev="$path-to-mdev",id="$id"
>  
>  Where the ``$path-to-mdev`` value specifies the absolute path to a mediated
>  device to which AP resources to be used by the guest have been assigned.
> +``$id`` is the name value for the optional id parameter.
>  
>  Note that on Linux guests, the AP devices will be created in the
>  ``/sys/bus/ap/devices`` directory when the AP bus subsequently performs its 
> periodic
> @@ -632,10 +633,9 @@ or a prior hot plug action.
>  
>  To hot unplug a vfio-ap device, use the QEMU ``device_del`` command::
>  
> -    (qemu) device_del vfio-ap,sysfsdev="$path-to-mdev"
> +    (qemu) device_del "id"

Do you want to use $id instead of id here?
>  
> -Where ``$path-to-mdev`` is the same as the path specified when the vfio-ap
> -device was attached to the virtual machine's ap-bus.
> +Where ``$id`` is the same id that was specified at device creation.

            ^--- ... since you use $id here.

>  On a Linux guest, the AP devices will be removed from the 
> ``/sys/bus/ap/devices``
>  directory on the guest when the AP bus subsequently performs its periodic 
> scan,

With the 1 $ question fixed:

Reviewed-by: Thomas Huth <thuth@redhat.com>




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