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From: Bart Van Assche <bvanassche@acm.org>
To: Can Guo <cang@codeaurora.org>
Cc: asutoshd@codeaurora.org, nguyenb@codeaurora.org,
	hongwus@codeaurora.org, linux-scsi@vger.kernel.org,
	kernel-team@android.com, Stanley Chu <stanley.chu@mediatek.com>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Bean Huo <beanhuo@micron.com>, Jaegeuk Kim <jaegeuk@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Kiwoong Kim <kwmad.kim@samsung.com>,
	Satya Tangirala <satyat@google.com>,
	open list <linux-kernel@vger.kernel.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-arm-kernel@lists.infradead.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-mediatek@lists.infradead.org>
Subject: Re: [PATCH v1 2/3] scsi: ufs: Optimize host lock on transfer requests send/compl paths
Date: Tue, 25 May 2021 09:40:34 -0700	[thread overview]
Message-ID: <c254b5bf-62ea-4edf-f600-db6789c747b1@acm.org> (raw)
In-Reply-To: <0cfbf580e340073ff972be493a59dbe7@codeaurora.org>

On 5/24/21 6:40 PM, Can Guo wrote:
> Agree with all above, and what you ask is right what we are doing in
> the 3rd change - get rid of host lock on dispatch and completion
> paths.
> 
> I agree with using dedicated spin locks for dedicated purposes in
> UFS driver, e.g., clk gating has its own gating_lock and clk scaling
> has its own scaling_lock. But this specific series is only for
> improving performance. We will take your comments into consideration
> and address it in future.
Thanks!

Bart.

  reply	other threads:[~2021-05-25 16:40 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1621845419-14194-1-git-send-email-cang@codeaurora.org>
2021-05-24  8:36 ` [PATCH v1 1/3] scsi: ufs: Remove a redundant command completion logic in error handler Can Guo
2021-05-24 16:43   ` Bart Van Assche
2021-05-25  4:15   ` Stanley Chu
2021-05-31  7:14   ` Bean Huo
2021-05-24  8:36 ` [PATCH v1 2/3] scsi: ufs: Optimize host lock on transfer requests send/compl paths Can Guo
2021-05-24 20:10   ` Bart Van Assche
2021-05-25  1:34     ` Asutosh Das (asd)
2021-05-25  8:24       ` Avri Altman
2021-05-28  7:30         ` Avri Altman
2021-06-02 21:18           ` Asutosh Das (asd)
2021-05-25  1:40     ` Can Guo
2021-05-25 16:40       ` Bart Van Assche [this message]
2021-05-31 16:04   ` Bean Huo
2021-06-02  2:14     ` Can Guo
2021-06-03  0:18     ` Bart Van Assche
2021-06-03  2:54   ` Stanley Chu
2021-06-04  1:49     ` Can Guo
2021-06-17  2:49   ` Bart Van Assche
2021-06-23  2:04     ` Can Guo
2021-06-28 22:58   ` Bart Van Assche
2021-06-29  5:41     ` Can Guo
2021-07-01 15:57       ` Bart Van Assche
2021-05-24  8:36 ` [PATCH v1 3/3] scsi: ufs: Utilize Transfer Request List Completion Notification Register Can Guo
2021-05-31 16:05   ` Bean Huo
2021-06-03  2:54   ` Stanley Chu

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