linux-kernel - Re: [PATCH v5 0/4] Untie the host lock entanglement

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Message-ID: <173379777408.2787035.14259305456500332981.b4-ty@oracle.com>
Date: Mon,  9 Dec 2024 21:35:32 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Avri Altman <avri.altman@....com>
Cc: "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bart Van Assche <bvanassche@....org>, Bean Huo <beanhuo@...ron.com>
Subject: Re: [PATCH v5 0/4] Untie the host lock entanglement - part 2

On Sun, 24 Nov 2024 09:08:04 +0200, Avri Altman wrote:

> Here is the 2nd part in the sequel, watering down the scsi host lock
> usage in the ufs driver. This work is motivated by a comment made by
> Bart [1], of the abuse of the scsi host lock in the ufs driver.  Its
> Precursor [2] removed the host lock around some of the host register
> accesses.
> 
> This part replaces the scsi host lock by dedicated locks serializing
> access to the clock gating and clock scaling members.
> 
> [...]

Applied to 6.14/scsi-queue, thanks!

[1/4] scsi: ufs: core: Introduce ufshcd_has_pending_tasks
      https://git.kernel.org/mkp/scsi/c/e738ba458e75
[2/4] scsi: ufs: core: Prepare to introduce a new clock_gating lock
      https://git.kernel.org/mkp/scsi/c/7869c6521f57
[3/4] scsi: ufs: core: Introduce a new clock_gating lock
      https://git.kernel.org/mkp/scsi/c/209f4e43b806
[4/4] scsi: ufs: core: Introduce a new clock_scaling lock
      https://git.kernel.org/mkp/scsi/c/be769e5cf53b

-- 
Martin K. Petersen	Oracle Linux Engineering