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authorYuval Shaia <yuval.shaia@oracle.com>2019-03-11 03:29:07 -0700
committerMarcel Apfelbaum <marcel.apfelbaum@gmail.com>2019-03-16 15:52:44 +0200
commit2cfa95300908f401f5b9bdf3de734cf6228a2722 (patch)
treec1b3ef94eb46a9a8f205bd22b5f9757ed9000859 /hw/rdma/rdma_rm_defs.h
parentb20fc7951084bb77e867d114c916e409c3a6821a (diff)
hw/rdma: Protect against concurrent execution of poll_cq
The function rdma_poll_cq is called from two contexts - completion handler thread which sense new completion on backend channel and explicitly as result of guest issuing poll_cq command. Add lock to protect against concurrent executions. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Message-Id: <1552300155-25216-4-git-send-email-yuval.shaia@oracle.com> Reviewed-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Diffstat (limited to 'hw/rdma/rdma_rm_defs.h')
-rw-r--r--hw/rdma/rdma_rm_defs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/rdma/rdma_rm_defs.h b/hw/rdma/rdma_rm_defs.h
index 0ba61d1838..f0ee1f3072 100644
--- a/hw/rdma/rdma_rm_defs.h
+++ b/hw/rdma/rdma_rm_defs.h
@@ -105,6 +105,7 @@ typedef struct RdmaDeviceResources {
RdmaRmResTbl cq_tbl;
RdmaRmResTbl cqe_ctx_tbl;
GHashTable *qp_hash; /* Keeps mapping between real and emulated */
+ QemuMutex lock;
} RdmaDeviceResources;
#endif