From: Cornelia Huck <cohuck@redhat.com>
To: Wei Wang <wei.w.wang@intel.com>
Cc: virtio-dev@lists.oasis-open.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
mst@redhat.com, borntraeger@de.ibm.com, pbonzini@redhat.com,
dgilbert@redhat.com, pasic@linux.ibm.com
Subject: [virtio-dev] Re: [PATCH v1 1/2] virtio-balloon: tweak config_changed implementation
Date: Thu, 3 Jan 2019 10:40:18 +0100 [thread overview]
Message-ID: <20190103104018.33eeaa29.cohuck@redhat.com> (raw)
In-Reply-To: <1546493462-32244-2-git-send-email-wei.w.wang@intel.com>
On Thu, 3 Jan 2019 13:31:01 +0800
Wei Wang <wei.w.wang@intel.com> wrote:
> virtio-ccw has deadlock issues with reading config registers inside the
s/config registers/the config space/ ?
> interrupt context, so we tweak the virtballoon_changed implementation
> by moving the config read operations into the related workqueue contexts.
Also credit Christian with a Reported-by:?
>
> Signed-off-by: Wei Wang <wei.w.wang@intel.com>
> ---
> drivers/virtio/virtio_balloon.c | 54 ++++++++++++++++++++---------------------
> 1 file changed, 26 insertions(+), 28 deletions(-)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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WARNING: multiple messages have this Message-ID (diff)
From: Cornelia Huck <cohuck@redhat.com>
To: Wei Wang <wei.w.wang@intel.com>
Cc: virtio-dev@lists.oasis-open.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
mst@redhat.com, borntraeger@de.ibm.com, pbonzini@redhat.com,
dgilbert@redhat.com, pasic@linux.ibm.com
Subject: Re: [PATCH v1 1/2] virtio-balloon: tweak config_changed implementation
Date: Thu, 3 Jan 2019 10:40:18 +0100 [thread overview]
Message-ID: <20190103104018.33eeaa29.cohuck@redhat.com> (raw)
In-Reply-To: <1546493462-32244-2-git-send-email-wei.w.wang@intel.com>
On Thu, 3 Jan 2019 13:31:01 +0800
Wei Wang <wei.w.wang@intel.com> wrote:
> virtio-ccw has deadlock issues with reading config registers inside the
s/config registers/the config space/ ?
> interrupt context, so we tweak the virtballoon_changed implementation
> by moving the config read operations into the related workqueue contexts.
Also credit Christian with a Reported-by:?
>
> Signed-off-by: Wei Wang <wei.w.wang@intel.com>
> ---
> drivers/virtio/virtio_balloon.c | 54 ++++++++++++++++++++---------------------
> 1 file changed, 26 insertions(+), 28 deletions(-)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
next prev parent reply other threads:[~2019-01-03 9:40 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-03 5:31 [virtio-dev] [PATCH v1 0/2] virtio-balloon: tweak config_changed Wei Wang
2019-01-03 5:31 ` Wei Wang
2019-01-03 5:31 ` Wei Wang
2019-01-03 5:31 ` [virtio-dev] [PATCH v1 1/2] virtio-balloon: tweak config_changed implementation Wei Wang
2019-01-03 5:31 ` Wei Wang
2019-01-03 5:31 ` Wei Wang
2019-01-03 9:40 ` Cornelia Huck
2019-01-03 9:40 ` Cornelia Huck [this message]
2019-01-03 9:40 ` Cornelia Huck
2019-01-03 10:31 ` Wei Wang
2019-01-03 10:31 ` [virtio-dev] " Wei Wang
2019-01-03 10:31 ` Wei Wang
2019-01-03 12:16 ` [virtio-dev] " Halil Pasic
2019-01-03 12:16 ` Halil Pasic
2019-01-03 16:42 ` Michael S. Tsirkin
2019-01-03 16:42 ` [virtio-dev] " Michael S. Tsirkin
2019-01-03 16:42 ` Michael S. Tsirkin
2019-01-04 5:14 ` [virtio-dev] " Wei Wang
2019-01-04 5:14 ` Wei Wang
2019-01-04 5:14 ` Wei Wang
2019-01-04 5:14 ` Wei Wang
2019-01-03 5:31 ` [virtio-dev] [PATCH v1 2/2] virtio-balloon: improve update_balloon_size_func Wei Wang
2019-01-03 5:31 ` Wei Wang
2019-01-03 5:31 ` Wei Wang
2019-01-03 9:42 ` Cornelia Huck
2019-01-03 9:42 ` [virtio-dev] " Cornelia Huck
2019-01-03 9:42 ` Cornelia Huck
2019-01-03 12:18 ` [virtio-dev] " Halil Pasic
2019-01-03 12:18 ` Halil Pasic
2019-01-03 9:26 ` [PATCH v1 0/2] virtio-balloon: tweak config_changed Cornelia Huck
2019-01-03 9:26 ` [virtio-dev] " Cornelia Huck
2019-01-03 9:26 ` Cornelia Huck
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