linux-kernel - Re: [PATCH 1/4] NTB: ntb_perf: Increased the number of message retries to 1000

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Message-ID: <e67dce79-bd64-9dd2-927c-124a34fcdcfc@amd.com>
Date:   Mon, 20 May 2019 12:17:28 +0000
From:   Sanjay R Mehta <sanmehta@....com>
To:     Jon Mason <jdmason@...zu.us>, "Mehta, Sanju" <Sanju.Mehta@....com>
CC:     "S-k, Shyam-sundar" <Shyam-sundar.S-k@....com>,
        "dave.jiang@...el.com" <dave.jiang@...el.com>,
        "allenbh@...il.com" <allenbh@...il.com>,
        "linux-ntb@...glegroups.com" <linux-ntb@...glegroups.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] NTB: ntb_perf: Increased the number of message
 retries to 1000


On 3/20/2019 11:20 PM, Jon Mason wrote:
> On Fri, Feb 15, 2019 at 09:20:07AM +0000, Mehta, Sanju wrote:
>> From: Sanjay R Mehta <sanju.mehta@....com>
>>
>> while waiting for the peer ntb_perf to initialize scratchpad
>> registers, local side ntb_perf  might have already exhausted the
>> maximum number of retries which is currently set to 500. To avoid
>> this and to give little more time to the peer ntb_perf for scratchpad
>> initialization, increased the number of retries to 1000
>>
>> Signed-off-by: Sanjay R Mehta <sanju.mehta@....com>
> Series applied to my ntb branch.

Hi Jon,

The above patch series is not visible in 5.2-rc1 branch. Please let me know when I can expect them in upstream kernel.

Thanks & Regards,

Sanjay Mehta

>
> Thanks,
> Jon
>
>
>> ---
>>  drivers/ntb/test/ntb_perf.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c
>> index 2a9d6b0..a828d0e 100644
>> --- a/drivers/ntb/test/ntb_perf.c
>> +++ b/drivers/ntb/test/ntb_perf.c
>> @@ -100,7 +100,7 @@ MODULE_DESCRIPTION("PCIe NTB Performance Measurement Tool");
>>  #define DMA_TRIES		100
>>  #define DMA_MDELAY		10
>>  
>> -#define MSG_TRIES		500
>> +#define MSG_TRIES		1000
>>  #define MSG_UDELAY_LOW		1000
>>  #define MSG_UDELAY_HIGH		2000
>>  
>> -- 
>> 2.7.4
>>
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