lkml.org 
[lkml]   [2019]   [Jan]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v3 0/3] virtio-balloon: tweak config_changed
From
Date
Can you please cc stable? Right now 4.20 does not work under KVM.



On 07.01.2019 08:01, Wei Wang wrote:
> Since virtio-ccw doesn't work with accessing to the config space
> inside an interrupt context, this patch series avoids that issue by
> moving the config register accesses to the related workqueue contexts.
>
> v2->v3 ChangeLog:
> - rename cmd_id_received to cmd_id_received_cache, and have call sites
> read the latest value via virtio_balloon_cmd_id_received. (Still
> kept Cornelia and Halil's reviewed-by as it's a minor change)
> - remove zeroing vb->num_free_page_blocks in probe since vb is
> allocated via kzalloc.
> v1->v2 ChangeLog:
> - add config_read_bitmap to indicate to the workqueue callbacks about
> the necessity of reading the related config fields.
>
> Wei Wang (3):
> virtio-balloon: tweak config_changed implementation
> virtio-balloon: improve update_balloon_size_func
> virtio_balloon: remove the unnecessary 0-initialization
>
> drivers/virtio/virtio_balloon.c | 104 ++++++++++++++++++++++++++--------------
> 1 file changed, 69 insertions(+), 35 deletions(-)
>

\
 
 \ /
  Last update: 2019-01-07 18:25    [W:0.120 / U:4.676 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site