[Intel-wired-lan] [net-next 15/25] fm10k: use separate workqueue for fm10k driver

Jeff Kirsher jeffrey.t.kirsher at intel.com
Fri Apr 3 21:04:58 UTC 2015


On Fri, 2015-04-03 at 13:27 -0700, Jeff Kirsher wrote:
> Since we run the watchdog periodically, which might take a while and
> potentially monopolize the system default workqueue, create our own
> separate work queue. This also helps reduce and stabilize latency
> between scheduling the work in our interrupt and actually performing
> the work. Still use a timer for the regular scheduled interval but
> queue the work onto its own work queue.
> 
> It seemed overkill to create a single workqueue per interface, so we
> just spawn a single work queue for all interfaces upon driver load.
> For
> this reason, use a multi-threaded workqueue with one thread per
> processor, rather than single threaded queue.
> 
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher at intel.com>
> Signed-off-by: Jacob Keller <jacob.e.keller at intel.com>
> Acked-by: Matthew Vick <matthew.vick at intel.com>
> ---
>  drivers/net/ethernet/intel/fm10k/fm10k.h      |  3 +++
>  drivers/net/ethernet/intel/fm10k/fm10k_main.c | 12 ++++++++++++
>  drivers/net/ethernet/intel/fm10k/fm10k_pci.c  |  2 +-
>  3 files changed, 16 insertions(+), 1 deletion(-)

I have applied to my queue.
-- 
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git
dev-queue
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