Hi misamoylov,
Thank you, the kernel-ml-devel-4.8.13-1.el7.elrepo.x86_64.rpm is OK for me. I have compiled the soft-iwarp, but thers is not the ibv_devices.

uname -sr
Linux 4.8.13-1.el7.elrepo.x86_64

ibv_devices
device node GUID
------ ----------------
ls /dev/infiniband/
rdma_cm uverbs0 uverbs1

strace -f ibv_devices
....
.....
mprotect(0x7f78455dd000, 4096, PROT_READ) = 0
munmap(0x7f7846f9e000, 22390) = 0
open("/sys/class/infiniband_verbs/uverbs1/device/vendor", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/sys/class/infiniband_verbs/uverbs1/device/vendor", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/sys/class/infiniband_verbs/uverbs1/device/vendor", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/sys/class/infiniband_verbs/uverbs1/device/vendor", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/sys/class/infiniband_verbs/uverbs0/device/vendor", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/sys/class/infiniband_verbs/uverbs0/device/vendor", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/sys/class/infiniband_verbs/uverbs0/device/vendor", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/sys/class/infiniband_verbs/uverbs0/device/vendor", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
futex(0x7f7846d85534, FUTEX_WAKE_PRIVATE, 2147483647) = 0
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 1), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7846fa3000
write(1, " device \t node GUI"..., 34 device node GUID
) = 34
write(1, " ------ \t-----------"..., 38 ------ ----------------
) = 38
exit_group(0) = ?
+++ exited with 0 +++

4.10 kernel support #12

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