Re: [dpdk-dev] [PATCH v3 0/2] Improve service stop support

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

-----Original Message-----
> Date: Thu, 21 Jun 2018 09:23:21 -0500
> From: Gage Eads <gage.eads@intel.com>
> To: dev@dpdk.org
> CC: jerin.jacob@caviumnetworks.com, harry.van.haaren@intel.com,
>  bruce.richardson@intel.com, nikhil.rao@intel.com,
>  erik.g.carrillo@intel.com, abhinandan.gujjar@intel.com,
>  thomas@monjalon.net
> Subject: [PATCH v3 0/2] Improve service stop support
> X-Mailer: git-send-email 2.13.6
> 
> 
> Existing service functions allow us to stop a service, but doing so doesn't
> guarantee that the service has finished running on a service core. This
> patch set introduces a function, rte_service_may_be_active(), to check
> whether a stopped service is truly stopped.
> 
> This is needed for flows that modify a resource that the service is
> using; for example when stopping an eventdev, any event adapters and/or
> scheduler service need to be quiesced first.
> 
> This patch set also adds support for the event sw PMD's device stop flush
> callback, which relies on this new mechanism to ensure that the
> scheduler service is no longer active.
> 
> v2:
> - Move function to DPDK_18.08 block in rte_eal_version.map
> - Fix signed vs. unsigned comparison compiler warning
> 
> v3:
> - Move function to EXPERIMENTAL block and add experimental tags
> - Fix typo in function documentation
> 

Applied series to dpdk-next-eventdev/master. Thanks.

> Gage Eads (2):
>   service: add mechanism for quiescing a service
>   event/sw: support device stop flush callback
> 
>  drivers/event/sw/sw_evdev.c                 | 114 +++++++++++++++++++++++++++-
>  drivers/event/sw/sw_evdev_selftest.c        |  81 +++++++++++++++++++-
>  lib/librte_eal/common/include/rte_service.h |  20 +++++
>  lib/librte_eal/common/rte_service.c         |  32 +++++++-
>  lib/librte_eal/rte_eal_version.map          |   1 +
>  test/test/test_service_cores.c              |  43 +++++++++++
>  6 files changed, 284 insertions(+), 7 deletions(-)
> 
> --
> 2.13.6
>