From: Cornelia Huck <cohuck@redhat.com>
To: Thomas Huth <thuth@redhat.com>
Cc: Tony Krowiak <akrowiak@linux.ibm.com>,
Peter Maydell <peter.maydell@linaro.org>,
David Hildenbrand <david@redhat.com>,
qemu-devel <qemu-devel@nongnu.org>,
Halil Pasic <pasic@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
qemu-s390x <qemu-s390x@nongnu.org>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [PATCH 1/1] docs/s390x: fix vfio-ap device_del description
Date: Thu, 18 Jun 2020 12:35:57 +0200 [thread overview]
Message-ID: <20200618123557.5c2ad135.cohuck@redhat.com> (raw)
In-Reply-To: <38f61553-10d9-2d45-0e10-ef30f9607b0f@redhat.com>
On Wed, 17 Jun 2020 19:17:54 +0200
Thomas Huth <thuth@redhat.com> wrote:
> 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>
Indeed, no reason to skimp on the $s :)
Fixed up and pushed to s390-next, thanks.
prev parent reply other threads:[~2020-06-18 10:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-17 16:06 [PATCH 1/1] docs/s390x: fix vfio-ap device_del description Christian Borntraeger
2020-06-17 16:07 ` Christian Borntraeger
2020-06-17 16:17 ` Cornelia Huck
2020-06-17 17:17 ` Thomas Huth
2020-06-18 10:35 ` Cornelia Huck [this message]
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