On Tue, Oct 01, 2024 at 06:26:03PM +0200, Mattias Rönnblom wrote:
> Calling rte_exit() from a worker lcore thread causes a deadlock in
> rte_service_finalize().
>
> This patch makes rte_service_finalize() deadlock-free by avoiding the
> need to synchronize with service lcore threads, which in turn is
> achieved by moving service and per-lcore state from the heap to being
> statically allocated.
>
> The BSS segment increases with ~156 kB (on x86_64 with default
> RTE_MAX_LCORE and RTE_SERVICE_NUM_MAX).
>
> According to the service perf autotest, this change also results in a
> slight reduction of service framework overhead.
>
> Fixes: 33666b448f15 ("service: fix crash on exit")
> Cc: harry.van.haa...@intel.com
> Cc: sta...@dpdk.org
>
> Signed-off-by: Mattias Rönnblom <mattias.ronnb...@ericsson.com>
> ---
Acked-by: Tyler Retzlaff <roret...@linux.microsoft.com>
