Messages in this thread | | | From | "Martin K. Petersen" <> | Subject | Re: [PATCH] scsi: hisi_sas: Fix memory ordering in hisi_sas_task_deliver() | Date | Thu, 19 May 2022 21:09:11 -0400 |
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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
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