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Date: Sat, 27 May 2017 07:48:51 +0200 (CEST)
From: checkpatch@dpdk.org
Subject: [dpdk-test-report] |WARNING| pw24714 [PATCH 3/4] cxgbe: remove rmb
	bottleneck in RX path
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Test-Label: checkpatch
Test-Status: WARNING
http://dpdk.org/patch/24714

_coding style issues_


CHECK:MACRO_ARG_REUSE: Macro argument reuse 'head' - possible side-effects?
#37: FILE: drivers/net/cxgbe/sge.c:686:
+#define PIDXDIFF(head, tail, wrap) \
+	((tail) >= (head) ? (tail) - (head) : (wrap) - (head) + (tail))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'tail' - possible side-effects?
#37: FILE: drivers/net/cxgbe/sge.c:686:
+#define PIDXDIFF(head, tail, wrap) \
+	((tail) >= (head) ? (tail) - (head) : (wrap) - (head) + (tail))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'q' - possible side-effects?
#39: FILE: drivers/net/cxgbe/sge.c:688:
+#define P_IDXDIFF(q, idx) PIDXDIFF((q)->cidx, idx, (q)->size)

WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON()
#129: FILE: drivers/net/cxgbe/sge.c:1494:
+				BUG_ON(!(len & F_RSPD_NEWBUF));

total: 0 errors, 1 warnings, 3 checks, 176 lines checked