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| author | Keith Busch <kbusch@kernel.org> | 2020-10-30 20:28:54 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-11-02 21:03:14 +0300 |
| commit | 38210800bf66d7302da1bb5b624ad68638da1562 (patch) | |
| tree | 15addd048414fd3d8cede3c3af6607327e2cf166 /lib/test_overflow.c | |
| parent | 65ff5cd04551daf2c11c7928e48fc3483391c900 (diff) | |
| download | linux-38210800bf66d7302da1bb5b624ad68638da1562.tar.xz | |
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>
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions