iopl() call is mostly for the i386 architecture. In Power and other
architecture, it doesn't exist. This patch modified rte_eal_iopl_init()
and make it return -1 for Power and other architecture. Thus
rte_config.flags will not contain EAL_FLG_HIGH_IOPL flag for other
architecture.
Signed-off-by: Chao Zhu <chaozhu at linux.vnet.ibm.com>
---
lib/librte_eal/linuxapp/eal/eal.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/lib/librte_eal/linuxapp/eal/eal.c
b/lib/librte_eal/linuxapp/eal/eal.c
index 7a1d087..8c0223f 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -50,7 +50,9 @@
#include <errno.h>
#include <sys/mman.h>
#include <sys/queue.h>
+#if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)
#include <sys/io.h>
+#endif
#include <rte_common.h>
#include <rte_debug.h>
@@ -752,13 +754,19 @@ rte_eal_mcfg_complete(void)
/*
* Request iopl privilege for all RPL, returns 0 on success
+ * iopl() call is mostly for the i386 architecture. For other architectures,
+ * return -1 to indicate IO priviledge can't be changed in this way.
*/
int
rte_eal_iopl_init(void)
{
+#if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)
if (iopl(3) != 0)
return -1;
return 0;
+#else
+ return -1;
+#endif
}
/* Launch threads, called at application init(). */
--
1.7.1
