[lkml]   [2019]   [Jan]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v1 1/2] virtio-balloon: tweak config_changed implementation
On Thu,  3 Jan 2019 13:31:01 +0800
Wei Wang <> wrote:

> virtio-ccw has deadlock issues with reading config registers inside the
> interrupt context

I would say something like 'virtio-ccw does not support using
virtio_config_ops from an atomic context' as the limitation is not
limited to read config (aka. get()). But I'm fine with your formulation
as well.

> , so we tweak the virtballoon_changed implementation
> by moving the config read operations into the related workqueue contexts.
> Signed-off-by: Wei Wang <>

Reviewed-by: Halil Pasic <>


 \ /
  Last update: 2019-01-03 13:17    [W:0.090 / U:0.192 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site