[dpdk-dev] [PATCH v2] net/i40e: fix global register recovery

[Zhang, Qi Z]

> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Guo, Jia
> Sent: Tuesday, November 24, 2020 1:56 PM
> To: Xing, Beilei <beilei.xing at intel.com>; dev at dpdk.org
> Cc: stable at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2] net/i40e: fix global register recovery
> 
> Acked-by: Jeff Guo <jia.guo at intel.com>
> 
> > -----Original Message-----
> > From: Xing, Beilei <beilei.xing at intel.com>
> > Sent: Friday, November 20, 2020 4:50 PM
> > To: dev at dpdk.org
> > Cc: Guo, Jia <jia.guo at intel.com>; Xing, Beilei
> > <beilei.xing at intel.com>; stable at dpdk.org
> > Subject: [PATCH v2] net/i40e: fix global register recovery
> >
> > From: Beilei Xing <beilei.xing at intel.com>
> >
> > PMD configures the global register I40E_GLINT_CTL during device
> > initialization to work around the Rx write back issue. But when a
> > device is bound from DPDK to kernel, the global register is not
> > recovered to the original state, it will cause kernel driver performance drop
> issue.
> > This patch fixes this issue.
> >
> > Fixes: be6c228d4da3 ("i40e: support Rx interrupt")
> > Fixes: 4ab831449a1c ("net/i40e: fix interrupt conflict with
> > multi-driver")
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Beilei Xing <beilei.xing at intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi