iopl() call is mostly for the i386 architecture. In Power architecture.
It doesn't exist. This patch modified rte_eal_iopl_init() and make it
return -1 on Power. This means rte_config.flags will not contain
EAL_FLG_HIGH_IOPL flag on IBM Power architecture.
Signed-off-by: Chao Zhu <bjzhuc at cn.ibm.com>
---
lib/librte_eal/linuxapp/eal/eal.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/lib/librte_eal/linuxapp/eal/eal.c
b/lib/librte_eal/linuxapp/eal/eal.c
index 4869e7c..8cc1f21 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -50,7 +50,10 @@
#include <errno.h>
#include <sys/mman.h>
#include <sys/queue.h>
+/* Power architecture doesn't have this header file */
+#ifndef RTE_ARCH_PPC_64
#include <sys/io.h>
+#endif
#include <rte_common.h>
#include <rte_debug.h>
@@ -1019,11 +1022,19 @@ rte_eal_mcfg_complete(void)
/*
* Request iopl privilege for all RPL, returns 0 on success
+ *
+ * Power architecture doesn't have iopl function, so this function
+ * return -1 on Power architecture, because this function is only used
+ * in rte_eal_init to add EAL_FLG_HIGH_IOPL to rte_config.flags.
*/
static int
rte_eal_iopl_init(void)
{
+#ifndef RTE_ARCH_PPC_64
return iopl(HIGHEST_RPL);
+#else
+ return -1;
+#endif
}
/* Launch threads, called at application init(). */
--
1.7.1
