patches for DPDK stable branches
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From: "Zhao1, Wei" <wei.zhao1@intel.com>
To: "dev@dpdk.org" <dev@dpdk.org>
Cc: "stable@dpdk.org" <stable@dpdk.org>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>,
	 "Ye, Xiaolong" <xiaolong.ye@intel.com>,
	"Fu, Qi" <qi.fu@intel.com>
Subject: Re: [dpdk-stable] [PATCH] net/ice: disable useless interrupt
Date: Thu, 31 Oct 2019 01:50:31 +0000
Message-ID: <A2573D2ACFCADC41BB3BE09C6DE313CA07F661AB@PGSMSX103.gar.corp.intel.com> (raw)
In-Reply-To: <1572421604-14087-1-git-send-email-wei.zhao1@intel.com>

Tested-by: Qi Fu < qi.fu@intel.com>

> -----Original Message-----
> From: Zhao1, Wei
> Sent: Wednesday, October 30, 2019 3:47 PM
> To: dev@dpdk.org
> Cc: stable@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>; Ye, Xiaolong
> <xiaolong.ye@intel.com>; Zhao1, Wei <wei.zhao1@intel.com>
> Subject: [PATCH] net/ice: disable useless interrupt
> 
> This is a useless interrupt which will cause intr every time when download
> FDIR rte_flow rule.
> 
> Fixes: cf911d90e366 ("net/ice: support link update")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
> ---
>  drivers/net/ice/ice_ethdev.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
> index d746758..404d734 100644
> --- a/drivers/net/ice/ice_ethdev.c
> +++ b/drivers/net/ice/ice_ethdev.c
> @@ -1225,6 +1225,8 @@ ice_pf_enable_irq0(struct ice_hw *hw)
>  		      GLINT_DYN_CTL_INTENA_M |
>  		      GLINT_DYN_CTL_CLEARPBA_M |
>  		      GLINT_DYN_CTL_ITR_INDX_M);
> +	/* disable useless intr */
> +	ICE_WRITE_REG(hw, GL_MDCK_TX_TDPU, 0x2);
> 
>  	ice_flush(hw);
>  }
> --
> 2.7.5


      reply index

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-30  7:46 Wei Zhao
2019-10-31  1:50 ` Zhao1, Wei [this message]

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patches for DPDK stable branches

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