[dpdk-dev] [PATCH v3 16/16] vfio: change VFIO init to be extendable
Jan Viktorin
viktorin at rehivetech.com
Mon Jul 4 17:16:51 CEST 2016
We can now just OR the vfio_enabled sequentially and so adding new VFIO
subsystems (vfio_platform) is possible.
Signed-off-by: Jan Viktorin <viktorin at rehivetech.com>
---
lib/librte_eal/linuxapp/eal/eal.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 606b777..3fb2188 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -705,12 +705,14 @@ rte_eal_iopl_init(void)
#ifdef VFIO_PRESENT
static int rte_eal_vfio_setup(void)
{
- if (internal_config.no_pci)
- return 0;
+ int vfio_enabled = 0;
- pci_vfio_enable();
+ if (!internal_config.no_pci) {
+ pci_vfio_enable();
+ vfio_enabled |= pci_vfio_is_enabled();
+ }
- if (pci_vfio_is_enabled()) {
+ if (vfio_enabled) {
/* if we are primary process, create a thread to communicate with
* secondary processes. the thread will use a socket to wait for
--
2.8.0
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