vfio: change default per vfio_cfg map all dpdk segments for DMA
diff mbox series

Message ID 1589540514-26972-1-git-send-email-wangyunjian@huawei.com
State New
Delegated to: David Marchand
Headers show
Series
  • vfio: change default per vfio_cfg map all dpdk segments for DMA
Related show

Checks

Context Check Description
ci/iol-testing fail Testing issues
ci/iol-mellanox-Performance success Performance Testing PASS
ci/Intel-compilation success Compilation OK
ci/iol-nxp-Performance success Performance Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/travis-robot success Travis build: passed
ci/checkpatch success coding style OK

Commit Message

wangyunjian May 15, 2020, 11:01 a.m. UTC
From: Yunjian Wang <wangyunjian@huawei.com>

As all vfio_cfgs need to map all dpdk segments for DMA, but now only
default_vfio_cfg map it. This patch changes rte_vfio_setup_device()
as a default map, so that IOMMU progrming does notneed to map dpdk
segments separately.

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
 lib/librte_eal/linux/eal_vfio.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

Patch
diff mbox series

diff --git a/lib/librte_eal/linux/eal_vfio.c b/lib/librte_eal/linux/eal_vfio.c
index d26e1649a..46160c328 100644
--- a/lib/librte_eal/linux/eal_vfio.c
+++ b/lib/librte_eal/linux/eal_vfio.c
@@ -807,10 +807,7 @@  rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr,
 			 * after registering callback, to prevent races
 			 */
 			rte_mcfg_mem_read_lock();
-			if (vfio_cfg == default_vfio_cfg)
-				ret = t->dma_map_func(vfio_container_fd);
-			else
-				ret = 0;
+			ret = t->dma_map_func(vfio_container_fd);
 			if (ret) {
 				RTE_LOG(ERR, EAL,
 					"  %s DMA remapping failed, error %i (%s)\n",