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Groups > linux.kernel > #1630087 > unrolled thread
| Started by | "Martin K. Petersen" <martin.petersen@oracle.com> |
|---|---|
| First post | 2017-04-25 00:40 +0200 |
| Last post | 2017-04-25 00:40 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH V2] scsi: mpt3sas: remove redundant wmb "Martin K. Petersen" <martin.petersen@oracle.com> - 2017-04-25 00:40 +0200
| From | "Martin K. Petersen" <martin.petersen@oracle.com> |
|---|---|
| Date | 2017-04-25 00:40 +0200 |
| Subject | Re: [PATCH V2] scsi: mpt3sas: remove redundant wmb |
| Message-ID | <tzUOd-4s5-7@gated-at.bofh.it> |
Sinan, > Due to relaxed ordering requirements on multiple architectures, > drivers are required to use wmb/rmb/mb combinations when they need to > guarantee observability between the memory and the HW. Applied to 4.12/scsi-queue, thanks! -- Martin K. Petersen Oracle Linux Engineering
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