bnx2x: First slow path interrupt race
The "read for interrupts" flag must be set before enabling slow-path
interrupts as well (and not just before fast-path interrupts)
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index b573951..7c53379 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -4812,6 +4812,15 @@
bnx2x_init_context(bp);
bnx2x_init_internal(bp, load_code);
bnx2x_init_ind_table(bp);
+ bnx2x_stats_init(bp);
+
+ /* At this point, we are ready for interrupts */
+ atomic_set(&bp->intr_sem, 0);
+
+ /* flush all before enabling interrupts */
+ mb();
+ mmiowb();
+
bnx2x_int_enable(bp);
}
@@ -6420,17 +6429,8 @@
}
}
- bnx2x_stats_init(bp);
-
bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
- /* Enable Rx interrupt handling before sending the ramrod
- as it's completed on Rx FP queue */
- bnx2x_napi_enable(bp);
-
- /* Enable interrupt handling */
- atomic_set(&bp->intr_sem, 0);
-
rc = bnx2x_setup_leading(bp);
if (rc) {
BNX2X_ERR("Setup leading failed!\n");