From: Jaegeuk Kim <jaegeuk@kernel.org>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
kernel-team@android.com, cang@codeaurora.org,
alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org,
stanley.chu@mediatek.com
Subject: Re: [PATCH v2] scsi: ufs: fix livelock of ufshcd_clear_ua_wluns
Date: Tue, 5 Jan 2021 20:28:26 -0800 [thread overview]
Message-ID: <X/U8avB/Sy546xlh@google.com> (raw)
In-Reply-To: <yq17doqg2j3.fsf@ca-mkp.ca.oracle.com>
On 01/05, Martin K. Petersen wrote:
>
> Jaegeuk,
>
> > When gate_work/ungate_work gets an error during hibern8_enter or exit,
> > ufshcd_err_handler()
> > ufshcd_scsi_block_requests()
> > ufshcd_reset_and_restore()
> > ufshcd_clear_ua_wluns() -> stuck
> > ufshcd_scsi_unblock_requests()
> >
> > In order to avoid it, ufshcd_clear_ua_wluns() can be called per recovery flows
> > such as suspend/resume, link_recovery, and error_handler.
> >
> > Fixes: 1918651f2d7e ("scsi: ufs: Clear UAC for RPMB after ufshcd resets")
> > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
>
> Please resubmit instead of replying to an existing patch. Both b4 and
> patchwork get confused.
Ok, I posted a new one. Thanks,
>
> Thanks!
>
> --
> Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2021-01-06 4:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-18 3:31 [PATCH] scsi: ufs: fix livelock of ufshcd_clear_ua_wluns Jaegeuk Kim
2020-12-20 22:02 ` Avri Altman
2020-12-21 15:23 ` Jaegeuk Kim
2020-12-21 17:00 ` Avri Altman
2020-12-21 17:19 ` Jaegeuk Kim
2020-12-21 18:05 ` Avri Altman
2020-12-21 19:35 ` Jaegeuk Kim
2020-12-21 20:13 ` Avri Altman
2020-12-21 4:25 ` Can Guo
2020-12-21 15:14 ` Jaegeuk Kim
2020-12-21 15:26 ` [PATCH v2] " Jaegeuk Kim
2021-01-06 3:45 ` Martin K. Petersen
2021-01-06 4:28 ` Jaegeuk Kim [this message]
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