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path: root/drivers/infiniband/hw/ehca/hcp_if.c
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Diffstat (limited to 'drivers/infiniband/hw/ehca/hcp_if.c')
-rw-r--r--drivers/infiniband/hw/ehca/hcp_if.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index b0783773f1c8..4776a8b0feec 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/infiniband/hw/ehca/hcp_if.c
@@ -81,6 +81,8 @@
#define H_MP_SHUTDOWN EHCA_BMASK_IBM(48, 48)
#define H_MP_RESET_QKEY_CTR EHCA_BMASK_IBM(49, 49)
+static DEFINE_SPINLOCK(hcall_lock);
+
static u32 get_longbusy_msecs(int longbusy_rc)
{
switch (longbusy_rc) {