Hi,

Could I confirm that this patch is going to be merged in 20.02?

Regards,
Yasufumi

On 2019/12/06 19:44, Burakov, Anatoly wrote:
On 27-Nov-19 8:48 AM, Yasufumi Ogawa wrote:
From: Yasufumi Ogawa <ogawa.yasuf...@lab.ntt.co.jp>

In secondary_msl_create_walk(), it creates a file for fbarrays with its
PID for reserving unique name among secondary processes. However, it
does not work if several secondaries run as app containers because each
of containerized secondary has PID 1, and failed to reserve unique name
other than first one. To reserve unique name in each of containers, use
hostname in addition to PID.

Signed-off-by: Yasufumi Ogawa <ogawa.yasuf...@lab.ntt.co.jp>
---
  lib/librte_eal/common/include/rte_fbarray.h |  7 ++++++-
  lib/librte_eal/linux/eal/eal_memalloc.c     | 11 ++++++++---
  2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/lib/librte_eal/common/include/rte_fbarray.h b/lib/librte_eal/common/include/rte_fbarray.h
index 6dccdbec9..df003b8dc 100644
--- a/lib/librte_eal/common/include/rte_fbarray.h
+++ b/lib/librte_eal/common/include/rte_fbarray.h
@@ -39,7 +39,12 @@ extern "C" {
  #include <rte_compat.h>
  #include <rte_rwlock.h>
-#define RTE_FBARRAY_NAME_LEN 64
+/* Filename of fbarray is defined as a combination of several params
+ * such as "fbarray_memseg-1048576k-0-0_PID_HOSTNAME".
+ * The length of string before PID can be 32bytes, and the length of
+ * PID can be 7bytes maximamly. Final 1 byte is for null terminator.
+ */
+#define RTE_FBARRAY_NAME_LEN (32 + 7 + 1 + HOST_NAME_MAX + 1)

This breaks ABI, but i believe this doesn't break *stable* ABI, so it is OK.

Reviewed-by: Anatoly Burakov <anatoly.bura...@intel.com>

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