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From: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>
To: "Qiu, Michael" <michael.qiu@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2] ixgbe: Fix disable interrupt twice
Date: Fri, 29 Jan 2016 08:07:05 +0000	[thread overview]
Message-ID: <6A0DE07E22DDAD4C9103DF62FEBC0909034256DA@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <1454047090-21274-1-git-send-email-michael.qiu@intel.com>

Hi Michael,

> -----Original Message-----
> From: Qiu, Michael
> Sent: Friday, January 29, 2016 1:58 PM
> To: dev@dpdk.org
> Cc: Zhou, Danny; Liu, Yong; Liang, Cunming; Lu, Wenzhuo; Qiu, Michael
> Subject: [PATCH v2] ixgbe: Fix disable interrupt twice
> 
> Currently, ixgbe vf and pf will disable interrupt twice in stop stage and uninit
> stage. It will cause an error:
> 
>     testpmd> quit
> 
>     Shutting down port 0...
>     Stopping ports...
>     Done
>     Closing ports...
>     EAL: Error disabling MSI-X interrupts for fd 26
>     Done
> 
> Becasue the interrupt already been disabled in stop stage.
> Since it is enabled in init stage, better remove from stop stage.
I'm afraid it's not a good idea to just remove the intr_disable from dev_stop.
I think dev_stop have the chance to be used independently with dev_unint. In this scenario, we still need intr_disable, right?
Maybe what we need is some check before we disable the intr:)

  reply	other threads:[~2016-01-29  8:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-29  5:51 [dpdk-dev] [PATCH] " Michael Qiu
2016-01-29  5:58 ` [dpdk-dev] [PATCH v2] " Michael Qiu
2016-01-29  8:07   ` Lu, Wenzhuo [this message]
2016-02-01  8:05     ` Qiu, Michael
2016-02-02  1:03       ` Lu, Wenzhuo
2016-02-02  2:06         ` Qiu, Michael
2016-02-02  2:14           ` Zhang, Helin
2016-02-02  2:57             ` Qiu, Michael
2016-02-02  3:07               ` Zhang, Helin
2016-02-02  3:15                 ` Qiu, Michael
2016-02-02 11:03               ` Ananyev, Konstantin
2016-02-19  8:07                 ` Qiu, Michael
2016-02-19 15:14                   ` Ananyev, Konstantin
2016-02-02  2:26           ` Lu, Wenzhuo
2016-02-23  2:10   ` Zhang, Helin
2016-02-26 14:39     ` Bruce Richardson

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