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| author | Jason Wang <jasowang@redhat.com> | 2013-06-20 12:58:57 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-24 16:24:17 -0700 |
| commit | e91e84fa4cfeb67a9a096f1adaa1a1a692474724 (patch) | |
| tree | 7e36ab11890da81a89817e2b24e85cc11b480b83 /drivers/hv/hyperv_vmbus.h | |
| parent | 0686ab7a7d05cda3373e311a49b2478bd4f03c5d (diff) | |
| download | lwn-e91e84fa4cfeb67a9a096f1adaa1a1a692474724.tar.gz lwn-e91e84fa4cfeb67a9a096f1adaa1a1a692474724.zip | |
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>
Diffstat (limited to 'drivers/hv/hyperv_vmbus.h')
0 files changed, 0 insertions, 0 deletions