Thread (4 messages) 4 messages, 2 authors, 2016-01-27
STALE3833d REVIEWED: 1 (0M)

[PATCH v6 02/11] eal/linux: never check iopl for arm

From: Santosh Shukla <hidden>
Date: 2016-01-21 10:26:25
Subsystem: library code, the rest · Maintainers: Andrew Morton, Linus Torvalds

iopl() syscall not supported in linux-arm/arm64 so always return 0 value.

Signed-off-by: Santosh Shukla <redacted>
Acked-by: Jan Viktorin <redacted>
Suggested-by: Stephen Hemminger <stephen@networkplumber.org>
---

v5 --> v5:
- Renamed patch titled from "linuxapp: eal: arm: Always return 0 for
  rte_eal_iopl_init()" to current, Suggested by David.
  v5 patch was this[1]
 [1] http://dpdk.org/dev/patchwork/patch/9978/

 lib/librte_eal/linuxapp/eal/eal.c |    2 ++
 1 file changed, 2 insertions(+)
diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 635ec36..a2a3485 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -715,6 +715,8 @@ rte_eal_iopl_init(void)
 	if (iopl(3) != 0)
 		return -1;
 	return 0;
+#elif defined(RTE_ARCH_ARM) || defined(RTE_ARCH_ARM64)
+	return 0; /* iopl syscall not supported for ARM/ARM64 */
 #else
 	return -1;
 #endif
-- 
1.7.9.5
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