diff mbox series

[v10,13/18] distributor: check max SIMD bitwidth

Message ID 20201019134858.32507-14-david.marchand@redhat.com (mailing list archive)
State Accepted, archived
Delegated to: David Marchand
Headers
Series add max SIMD bitwidth to EAL |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

David Marchand Oct. 19, 2020, 1:48 p.m. UTC 
  From: Ciara Power <ciara.power@intel.com>

When choosing a vector path to take, an extra condition must be
satisfied to ensure the max SIMD bitwidth allows for the CPU enabled
path.

Signed-off-by: Ciara Power <ciara.power@intel.com>
Acked-by: David Hunt <david.hunt@intel.com>
---
v4: Updated enum name.
v3: Moved max SIMD bitwidth check to configure function with other vec
    support checks.
---
 lib/librte_distributor/rte_distributor.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/lib/librte_distributor/rte_distributor.c b/lib/librte_distributor/rte_distributor.c
index ef34facba6..07e385a259 100644
--- a/lib/librte_distributor/rte_distributor.c
+++ b/lib/librte_distributor/rte_distributor.c
@@ -14,6 +14,7 @@ 
 #include <rte_eal_memconfig.h>
 #include <rte_pause.h>
 #include <rte_tailq.h>
+#include <rte_vect.h>
 
 #include "rte_distributor.h"
 #include "rte_distributor_single.h"
@@ -762,7 +763,8 @@  rte_distributor_create(const char *name,
 
 	d->dist_match_fn = RTE_DIST_MATCH_SCALAR;
 #if defined(RTE_ARCH_X86)
-	d->dist_match_fn = RTE_DIST_MATCH_VECTOR;
+	if (rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128)
+		d->dist_match_fn = RTE_DIST_MATCH_VECTOR;
 #endif
 
 	/*