[dpdk-stable] [dpdk-dev] [PATCH 3/3] eal/windows: cleanup interrupt resources

[Jie Zhou]

On Sun, May 02, 2021 at 05:33:33AM +0300, Dmitry Kozlyuk wrote:
> Interrupt manager in Windows EAL allocates on IOCP and starts
> a control thread that runs indefinitely. At DPDK cleanup
> this thread was not stopped and IOCP handle was not closed.
> 
> Gracefully stop interrupt-handling in rte_eal_cleanup().
> The thread already closes IOCP handle before exiting.
> 
> Fixes: 5c016fc0205a ("eal/windows: add interrupt thread skeleton")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk at gmail.com>

Acked-by: Jie Zhou <jizh at microsoft.com>
Tested-by: Jie Zhou <jizh at microsoft.com>

> ---
>  lib/eal/windows/eal.c            |  1 +
>  lib/eal/windows/eal_interrupts.c | 26 ++++++++++++++++++++++++--
>  lib/eal/windows/eal_windows.h    |  5 +++++
>  3 files changed, 30 insertions(+), 2 deletions(-)

Enabled a subset of Unit test on Windows and when running alarm_autotest, system hang at rte_eal_alarm_set. After applying this patch set, no repro any more. Also system hang at pmd_perf_autotest and no repro with the patch. It is with Intel i40e.