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
