[PATCH] mem: explicitly initialise shared locks

[fengchengwen]

Acked-by: Chengwen Feng <fengchengwen at huawei.com>

On 2023/10/27 16:00, David Marchand wrote:
> Locks in the DPDK shared memory were not initialised so far.
> This is not really a problem as the early_mem_config structure is stored
> in the bss section (and so set to 0 by default).
> Yet, for consistency, explicitly initialise those locks with relevant
> initialiser macros.
> 
> Suggested-by: Thomas Monjalon <thomas at monjalon.net>
> Signed-off-by: David Marchand <david.marchand at redhat.com>
> ---
>  lib/eal/common/eal_common_config.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/eal/common/eal_common_config.c b/lib/eal/common/eal_common_config.c
> index 0daf0f3188..2d6c04a49a 100644
> --- a/lib/eal/common/eal_common_config.c
> +++ b/lib/eal/common/eal_common_config.c
> @@ -8,7 +8,14 @@
>  #include "eal_memcfg.h"
>  
>  /* early configuration structure, when memory config is not mmapped */
> -static struct rte_mem_config early_mem_config;
> +static struct rte_mem_config early_mem_config = {
> +	.mlock = RTE_RWLOCK_INITIALIZER,
> +	.qlock = RTE_RWLOCK_INITIALIZER,
> +	.mplock = RTE_RWLOCK_INITIALIZER,
> +	.tlock = RTE_SPINLOCK_INITIALIZER,
> +	.ethdev_lock = RTE_SPINLOCK_INITIALIZER,
> +	.memory_hotplug_lock = RTE_RWLOCK_INITIALIZER,
> +};
>  
>  /* Address of global and public configuration */
>  static struct rte_config rte_config = {
>