| commit | 38210800bf66d7302da1bb5b624ad68638da1562 | [log] [tgz] |
|---|---|---|
| author | Keith Busch <kbusch@kernel.org> | Fri Oct 30 10:28:54 2020 -0700 |
| committer | Christoph Hellwig <hch@lst.de> | Mon Nov 02 19:03:14 2020 +0100 |
| tree | 15addd048414fd3d8cede3c3af6607327e2cf166 | |
| parent | 65ff5cd04551daf2c11c7928e48fc3483391c900 [diff] |
Revert "nvme-pci: remove last_sq_tail" Multiple CPUs may be mapped to the same hctx, allowing mulitple submission contexts to attempt commit_rqs(). We need to verify we're not writing the same doorbell value multiple times since that's a spec violation. Revert commit 54b2fcee1db041a83b52b51752dade6090cf952f. Link: https://bugzilla.redhat.com/show_bug.cgi?id=1878596 Reported-by: "B.L. Jones" <brandon.gustav@googlemail.com> Signed-off-by: Keith Busch <kbusch@kernel.org>