Re: [PATCH] scsi: hisi_sas: Fix memory ordering in hisi_sas_task_deliver()

[Martin K. Petersen]

On Tue, 17 May 2022 16:04:21 +0800, John Garry wrote:

> The memories for the slot should be observed to be written prior to
> observing the slot as ready.
> 
> Prior to commit 26fc0ea74fcb ("scsi: libsas: Drop SAS_TASK_AT_INITIATOR"),
> we had a spin_lock() + spin_unlock() immediately before marking the slot
> as ready. The spin_unlock() - with release semantics - caused the slot
> memory to be observed to be written.
> 
> [...]

Applied to 5.19/scsi-queue, thanks!

[1/1] scsi: hisi_sas: Fix memory ordering in hisi_sas_task_deliver()
      https://git.kernel.org/mkp/scsi/c/6c6ac8b7773f

-- 
Martin K. Petersen	Oracle Linux Engineering