From: Stephen Hemminger <step...@networkplumber.org>

Use rte_log directly, eliminating no longer used rte_pmd_dev_trace
function. This removes variable length array which is problem on
Windows and other compilers not doing C99.

Also, drop unused RTE_PROC_PRIMARY macros.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
Signed-off-by: Jeff Shaw <jeffrey.b.s...@intel.com>
---

V2:
  - Changed named variable "args..." to use "..." with ##__VA_LIST__.
    Pasting is necessary to support case where only the format string,
    with no arguments, is passed.

---
 lib/librte_eal/common/include/rte_dev.h | 44 +++------------------------------
 1 file changed, 4 insertions(+), 40 deletions(-)

diff --git a/lib/librte_eal/common/include/rte_dev.h 
b/lib/librte_eal/common/include/rte_dev.h
index a9724dc91..366beb7c0 100644
--- a/lib/librte_eal/common/include/rte_dev.h
+++ b/lib/librte_eal/common/include/rte_dev.h
@@ -43,54 +43,18 @@ typedef void (*rte_dev_event_cb_fn)(const char *device_name,
                                        enum rte_dev_event_type event,
                                        void *cb_arg);
 
-__attribute__((format(printf, 2, 0)))
-static inline void
-rte_pmd_debug_trace(const char *func_name, const char *fmt, ...)
-{
-       va_list ap;
-
-       va_start(ap, fmt);
-
-       {
-               char buffer[vsnprintf(NULL, 0, fmt, ap) + 1];
-
-               va_end(ap);
-
-               va_start(ap, fmt);
-               vsnprintf(buffer, sizeof(buffer), fmt, ap);
-               va_end(ap);
-
-               rte_log(RTE_LOG_ERR, RTE_LOGTYPE_PMD, "%s: %s",
-                       func_name, buffer);
-       }
-}
-
 /*
  * Enable RTE_PMD_DEBUG_TRACE() when at least one component relying on the
  * RTE_*_RET() macros defined below is compiled in debug mode.
  */
 #if defined(RTE_LIBRTE_EVENTDEV_DEBUG)
-#define RTE_PMD_DEBUG_TRACE(...) \
-       rte_pmd_debug_trace(__func__, __VA_ARGS__)
+#define RTE_PMD_DEBUG_TRACE(fmt, ...)                                  \
+       rte_log(RTE_LOG_ERR, RTE_LOGTYPE_PMD, "%s: " fmt, __func__,     \
+               ##__VA_ARGS__)
 #else
-#define RTE_PMD_DEBUG_TRACE(...) (void)0
+#define RTE_PMD_DEBUG_TRACE(...) do { } while(0)
 #endif
 
-/* Macros for checking for restricting functions to primary instance only */
-#define RTE_PROC_PRIMARY_OR_ERR_RET(retval) do { \
-       if (rte_eal_process_type() != RTE_PROC_PRIMARY) { \
-               RTE_PMD_DEBUG_TRACE("Cannot run in secondary processes\n"); \
-               return retval; \
-       } \
-} while (0)
-
-#define RTE_PROC_PRIMARY_OR_RET() do { \
-       if (rte_eal_process_type() != RTE_PROC_PRIMARY) { \
-               RTE_PMD_DEBUG_TRACE("Cannot run in secondary processes\n"); \
-               return; \
-       } \
-} while (0)
-
 /* Macros to check for invalid function pointers */
 #define RTE_FUNC_PTR_OR_ERR_RET(func, retval) do { \
        if ((func) == NULL) { \
-- 
2.14.3

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