eal: set iopl only when needed

[dpdk.git] / lib / librte_eal / linuxapp / eal / eal.c

diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 6c8e760..7a1d087 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -87,8 +87,6 @@
 
 #define SOCKET_MEM_STRLEN (RTE_MAX_NUMA_NODES * 10)
 
-#define HIGHEST_RPL 3
-
 /* Allow the application to print its usage message too if set */
 static rte_usage_hook_t        rte_application_usage_hook = NULL;
 
@@ -755,10 +753,12 @@ rte_eal_mcfg_complete(void)
 /*
  * Request iopl privilege for all RPL, returns 0 on success
  */
-static int
+int
 rte_eal_iopl_init(void)
 {
-       return iopl(HIGHEST_RPL);
+       if (iopl(3) != 0)
+               return -1;
+       return 0;
 }
 
 /* Launch threads, called at application init(). */
@@ -820,9 +820,6 @@ rte_eal_init(int argc, char **argv)
 
        rte_config_init();
 
-       if (rte_eal_iopl_init() == 0)
-               rte_config.flags |= EAL_FLG_HIGH_IOPL;
-
        if (rte_eal_pci_init() < 0)
                rte_panic("Cannot init PCI\n");