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Date: Wed, 25 Mar 2020 22:19:27 +0100 (CET)
From: checkpatch@dpdk.org
Subject: [dpdk-test-report] |WARNING| pw67126 [PATCH v2 13/32] eal/trace:
	implement provider payload
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Test-Label: checkpatch
Test-Status: WARNING
http://dpdk.org/patch/67126

_coding style issues_


WARNING:MACRO_WITH_FLOW_CONTROL: Macros with flow control statements should be avoided
#155: FILE: lib/librte_eal/common/include/rte_trace_provider.h:92:
+#define __rte_trace_emit_header_generic(t)\
+void *mem;\
+do {\
+	const uint64_t val = __atomic_load_n(t, __ATOMIC_ACQUIRE);\
+	if (likely(!(val & __RTE_TRACE_FIELD_ENABLE_MASK)))\
+		return;\
+	mem = __rte_trace_mem_get(val);\
+	if (unlikely(mem == NULL)) \
+		return;\
+	mem = __rte_trace_emit_ev_header(mem, val);\
+} while (0)

ERROR:MULTISTATEMENT_MACRO_USE_DO_WHILE: Macros starting with if should be enclosed by a do - while loop to avoid possible if/else logic defects
#167: FILE: lib/librte_eal/common/include/rte_trace_provider.h:104:
+#define __rte_trace_emit_header_dp(t)\
+	if (rte_trace_is_dp_enabled())\
+		return;\
+	__rte_trace_emit_header_generic(t);

WARNING:MACRO_WITH_FLOW_CONTROL: Macros with flow control statements should be avoided
#167: FILE: lib/librte_eal/common/include/rte_trace_provider.h:104:
+#define __rte_trace_emit_header_dp(t)\
+	if (rte_trace_is_dp_enabled())\
+		return;\
+	__rte_trace_emit_header_generic(t);

WARNING:TRAILING_SEMICOLON: macros should not use a trailing semicolon
#167: FILE: lib/librte_eal/common/include/rte_trace_provider.h:104:
+#define __rte_trace_emit_header_dp(t)\
+	if (rte_trace_is_dp_enabled())\
+		return;\
+	__rte_trace_emit_header_generic(t);

WARNING:MACRO_WITH_FLOW_CONTROL: Macros with flow control statements should be avoided
#192: FILE: lib/librte_eal/common/include/rte_trace_provider.h:129:
+#define rte_trace_ctf_string(in)\
+do {\
+	if (unlikely(in == NULL))\
+		return;\
+	rte_strscpy(mem, in, __RTE_TRACE_EMIT_STRING_LEN_MAX);\
+	mem = RTE_PTR_ADD(mem, __RTE_TRACE_EMIT_STRING_LEN_MAX);\
+} while (0)

total: 1 errors, 4 warnings, 104 lines checked