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| Started by | Bjorn Helgaas <helgaas@kernel.org> |
|---|---|
| First post | 2017-07-05 21:50 +0200 |
| Last post | 2017-07-05 21:50 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH 13/16] switchtec_ntb: implement doorbell registers Bjorn Helgaas <helgaas@kernel.org> - 2017-07-05 21:50 +0200
| From | Bjorn Helgaas <helgaas@kernel.org> |
|---|---|
| Date | 2017-07-05 21:50 +0200 |
| Subject | Re: [PATCH 13/16] switchtec_ntb: implement doorbell registers |
| Message-ID | <tZYtb-2gN-3@gated-at.bofh.it> |
On Wed, Jun 28, 2017 at 09:26:45PM -0600, Logan Gunthorpe wrote: > Pretty straightforward implementation of doorbell registers. > The shift and mask were setup in an earlier patch and this just hooks > up the approprirate portion of the idb register as the local doorbells > and the opposite portion of odb as the peer doorbells. The db mask is > protected by a spinlock to avoid concurrent read-modify-write accesses. s/approprirate/appropriate/
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