linux-kernel - Re: [PATCH v3 10/10] ntb_perf: clear link_is

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Date:	Wed, 15 Jun 2016 21:33:52 +0000
From:	"Jiang, Dave" <dave.jiang@...el.com>
To:	"Allen.Hubbe@....com" <Allen.Hubbe@....com>,
	"logang@...tatee.com" <logang@...tatee.com>,
	"jdmason@...zu.us" <jdmason@...zu.us>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"shuahkh@....samsung.com" <shuahkh@....samsung.com>,
	"sudipm.mukherjee@...il.com" <sudipm.mukherjee@...il.com>,
	"linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
	"arnd@...db.de" <arnd@...db.de>,
	"linux-ntb@...glegroups.com" <linux-ntb@...glegroups.com>
Subject: Re: [PATCH v3 10/10] ntb_perf: clear link_is_up flag when the link
 goes down.

On Wed, 2016-06-15 at 15:26 -0600, Logan Gunthorpe wrote:
> When the link goes down, the link_is_up flag did not return to
> false. This could have caused some subtle corner case bugs
> when the link goes up and down quickly.
> 
> Signed-off-by: Logan Gunthorpe <logang@...tatee.com>

Acked-by: Dave Jiang <dave.jiang@...el.com>

And all the other ntb_perf patches since there were no additional
changes. 

> ---
>  drivers/ntb/test/ntb_perf.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/ntb/test/ntb_perf.c
> b/drivers/ntb/test/ntb_perf.c
> index f0784e5..ae9d1b2 100644
> --- a/drivers/ntb/test/ntb_perf.c
> +++ b/drivers/ntb/test/ntb_perf.c
> @@ -557,6 +557,8 @@ static void perf_link_cleanup(struct work_struct
> *work)
>  
>  	if (!perf->link_is_up)
>  		cancel_delayed_work_sync(&perf->link_work);
> +
> +	perf->link_is_up = false;
>  }
>  
>  static int perf_setup_mw(struct ntb_dev *ntb, struct perf_ctx *perf)
> -- 
> 2.1.4
>