With the introduction of IOVA mode, the only blocker to run
with 4KB pages for NICs binding to vfio-pci, is that
RTE_BAD_PHYS_ADDR is not a valid IOVA address.
We can refine this by using VA as IOVA if it's IOVA mode.
Signed-off-by: Jianfeng Tan <jianfeng....@intel.com>
---
lib/librte_eal/linuxapp/eal/eal_memory.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c
b/lib/librte_eal/linuxapp/eal/eal_memory.c
index 28bca49..187d338 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -1030,7 +1030,10 @@ rte_eal_hugepage_init(void)
strerror(errno));
return -1;
}
- mcfg->memseg[0].phys_addr = RTE_BAD_PHYS_ADDR;
+ if (rte_eal_iova_mode() == RTE_IOVA_VA)
+ mcfg->memseg[0].phys_addr = (uintptr_t)addr;
+ else
+ mcfg->memseg[0].phys_addr = RTE_BAD_PHYS_ADDR;
mcfg->memseg[0].addr = addr;
mcfg->memseg[0].hugepage_sz = RTE_PGSIZE_4K;
mcfg->memseg[0].len = internal_config.memory;
--
2.7.4
