Currently, primary process initialization is finalized by setting
the RTE_MAGIC value in the shared config. However, it is not
possible to check whether secondary process initialization has
completed. Add such a value to internal config.
Signed-off-by: Anatoly Burakov
---
Notes:
v4: make init_complete volatile
This patchset is dependent upon earlier IPC fixes patchset [1].
[1] http://dpdk.org/dev/patchwork/bundle/aburakov/IPC_Fixes/
lib/librte_eal/common/eal_common_options.c | 1 +
lib/librte_eal/common/eal_internal_cfg.h | 2 ++
lib/librte_eal/linuxapp/eal/eal.c | 2 ++
3 files changed, 5 insertions(+)
diff --git a/lib/librte_eal/common/eal_common_options.c
b/lib/librte_eal/common/eal_common_options.c
index 9f2f8d2..0be80cb 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -194,6 +194,7 @@ eal_reset_internal_config(struct internal_config
*internal_cfg)
internal_cfg->vmware_tsc_map = 0;
internal_cfg->create_uio_dev = 0;
internal_cfg->user_mbuf_pool_ops_name = NULL;
+ internal_cfg->init_complete = 0;
}
static int
diff --git a/lib/librte_eal/common/eal_internal_cfg.h
b/lib/librte_eal/common/eal_internal_cfg.h
index 1169fcc..a0082d1 100644
--- a/lib/librte_eal/common/eal_internal_cfg.h
+++ b/lib/librte_eal/common/eal_internal_cfg.h
@@ -56,6 +56,8 @@ struct internal_config {
/**< user defined mbuf pool ops name */
unsigned num_hugepage_sizes; /**< how many sizes on this system */
struct hugepage_info hugepage_info[MAX_HUGEPAGE_SIZES];
+ volatile unsigned int init_complete;
+ /**< indicates whether EAL has completed initialization */
};
extern struct internal_config internal_config; /**< Global EAL configuration.
*/
diff --git a/lib/librte_eal/linuxapp/eal/eal.c
b/lib/librte_eal/linuxapp/eal/eal.c
index 38306bf..2ecd07b 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -669,6 +669,8 @@ rte_eal_mcfg_complete(void)
/* ALL shared mem_config related INIT DONE */
if (rte_config.process_type == RTE_PROC_PRIMARY)
rte_config.mem_config->magic = RTE_MAGIC;
+
+ internal_config.init_complete = 1;
}
/*
--
2.7.4