diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2018-04-03 11:59:04 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-02 07:53:40 -0700 |
| commit | 7aa90727fda6943274224bc8dde19d346b60ee3f (patch) | |
| tree | 1b207e6350de275e467855d989eb15f9cd03443c /include/linux | |
| parent | dd807a784fd36f4136516d5858efb6473dda422c (diff) | |
drm/virtio: fix vq wait_event condition
commit d02d270014f70dcab0117776b81a37b6fca745ae upstream.
Wait until we have enough space in the virt queue to actually queue up
our request. Avoids the guest spinning in case we have a non-zero
amount of free entries but not enough for the request.
Cc: stable@vger.kernel.org
Reported-by: Alain Magloire <amagloire@blackberry.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180403095904.11152-1-kraxel@redhat.com
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions