| commit | e91e84fa4cfeb67a9a096f1adaa1a1a692474724 | [log] [tgz] |
|---|---|---|
| author | Jason Wang <jasowang@redhat.com> | Thu Jun 20 12:58:57 2013 +0800 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Mon Jun 24 16:24:17 2013 -0700 |
| tree | 7e36ab11890da81a89817e2b24e85cc11b480b83 | |
| parent | 0686ab7a7d05cda3373e311a49b2478bd4f03c5d [diff] |
drivers: hv: check interrupt mask before read_index This patches add a read barriers to force the driver to check the interrupt mask before read_index. Otherwise we may lost a kick to host. Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>