Subject: Re: [PATCH v1 3/3] scsi: ufs: Utilize Transfer Request List Completion Notification Register

From: Bean Huo <[email-masked]>
Date: Mon, 31 May 2021 18:05:24 +0200

On Mon, 2021-05-24 at 01:36 -0700, Can Guo wrote:
> By reading the UTP Transfer Request List Completion Notification
> Register,
> 
> which is added in UFSHCI Ver 3.0, SW can easily get the compeleted
> transfer
> 
> requests. Thus, SW can get rid of host lock, which is used to
> synchronize
> 
> the tr_doorbell and outstanding_reqs, on transfer requests dispatch
> and
> 
> completion paths. This can further benefit random read/write
> performance.
> 
> 
> 
> Cc: Stanley Chu <[email-masked]>
> 
> Co-developed-by: Asutosh Das <[email-masked]>
> 
> Signed-off-by: Asutosh Das <[email-masked]>
> 
> Signed-off-by: Can Guo <[email-masked]>

Reviewed-by: Bean Huo <[email-masked]>

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