From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: saravanak@google.com, asutoshd@codeaurora.org,
salyzyn@google.com, rnayak@codeaurora.org,
kernel-team@android.com, hongwus@codeaurora.org,
Can Guo <cang@codeaurora.org>,
nguyenb@codeaurora.org, linux-scsi@vger.kernel.org
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCH V7 0/3] Minor fixes to UFS error handling
Date: Wed, 9 Dec 2020 12:23:15 -0500 [thread overview]
Message-ID: <160753457754.14816.406841787648084993.b4-ty@oracle.com> (raw)
In-Reply-To: <1606910644-21185-1-git-send-email-cang@codeaurora.org>
On Wed, 2 Dec 2020 04:04:00 -0800, Can Guo wrote:
> This series mainly fixes below two things which come along with UFS error
> handling in some corner cases.
> [1] Concurrency problems btw err_handler and paths like system suspend/resume/shutdown and async scan.
> [2] Race condition btw UFS error recovery and task abort which happens to W-LU during suspend/resume/shutdown.
>
> The 1st change is tested with error/fault injections to power mode change
> operations during system PM operations and async scan. The 2nd change is
> tested by mimicing SSU cmd timeout during suspend/resume/shutdown. The 3rd
> one is just a minor change to a check condition in IRQ handler such that
> the driver can dump host regs when AH8 error happens.
>
> [...]
Applied to 5.11/scsi-queue, thanks!
[1/3] scsi: ufs: Serialize eh_work with system PM events and async scan
https://git.kernel.org/mkp/scsi/c/88a92d6ae4fe
[2/3] scsi: ufs: Fix a race condition between ufshcd_abort and eh_work
https://git.kernel.org/mkp/scsi/c/7a7e66c65d41
[3/3] scsi: ufs: Print host regs in IRQ handler when AH8 error happens
https://git.kernel.org/mkp/scsi/c/ace3804b69af
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2020-12-09 17:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-02 12:04 [PATCH V7 0/3] Minor fixes to UFS error handling Can Guo
2020-12-02 12:04 ` [PATCH V7 1/3] scsi: ufs: Serialize eh_work with system PM events and async scan Can Guo
2020-12-02 12:04 ` Can Guo
2020-12-02 12:04 ` Can Guo
2020-12-02 12:04 ` [PATCH V7 2/3] scsi: ufs: Fix a race condition between ufshcd_abort and eh_work Can Guo
2020-12-03 2:21 ` Stanley Chu
2020-12-03 4:01 ` Can Guo
2020-12-03 4:51 ` Stanley Chu
2020-12-03 5:11 ` Can Guo
2020-12-03 5:19 ` Stanley Chu
2020-12-03 5:21 ` Can Guo
2020-12-02 12:04 ` [PATCH V7 3/3] scsi: ufs: Print host regs in IRQ handler when AH8 error happens Can Guo
2020-12-02 12:04 ` Can Guo
2020-12-02 12:04 ` Can Guo
2020-12-07 23:31 ` [PATCH V7 0/3] Minor fixes to UFS error handling Martin K. Petersen
2020-12-08 5:04 ` Stanley Chu
2020-12-09 17:23 ` Martin K. Petersen [this message]
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