From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Guo, Jia" <jia.guo@intel.com>,
"Xing, Beilei" <beilei.xing@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH v2] net/i40e: fix global register recovery
Date: Fri, 11 Dec 2020 02:23:56 +0000 [thread overview]
Message-ID: <e30f806b19134e9f8913c0db250349d2@intel.com> (raw)
In-Reply-To: <46dc7f84914d48c3b4fdb257cc9762e7@intel.com>
> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Guo, Jia
> Sent: Tuesday, November 24, 2020 1:56 PM
> To: Xing, Beilei <beilei.xing@intel.com>; dev@dpdk.org
> Cc: stable@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2] net/i40e: fix global register recovery
>
> Acked-by: Jeff Guo <jia.guo@intel.com>
>
> > -----Original Message-----
> > From: Xing, Beilei <beilei.xing@intel.com>
> > Sent: Friday, November 20, 2020 4:50 PM
> > To: dev@dpdk.org
> > Cc: Guo, Jia <jia.guo@intel.com>; Xing, Beilei
> > <beilei.xing@intel.com>; stable@dpdk.org
> > Subject: [PATCH v2] net/i40e: fix global register recovery
> >
> > From: Beilei Xing <beilei.xing@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@dpdk.org
> >
> > Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
prev parent reply other threads:[~2020-12-11 2:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 6:16 [dpdk-stable] [PATCH] net/i40e: fix conflict with multi-driver beilei.xing
2020-11-19 6:24 ` Guo, Jia
2020-11-20 8:49 ` [dpdk-stable] [PATCH v2] net/i40e: fix global register recovery beilei.xing
2020-11-24 5:56 ` Guo, Jia
2020-12-11 2:23 ` Zhang, Qi Z [this message]
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