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Make nvd vs nda choice boot-time rather than build-time
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Authored by imp on Aug 2 2017, 6:48 PM.

Details

Summary

Introduce hw.nvme.use_nvd tunable. This tunable allows both nvd and
nda to be installed in the kernel, while allowing only one of them to
create devices. This is an all-or-nothing setting, and you can't
change it after boot-time. However, it will allow easier A/B testing.

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

Code all looks good. Just a couple of typos.

sys/dev/nvme/nvme_sysctl.c
38 ↗(On Diff #31485)

NVMe is the typical abbreviation (lower case e).

40 ↗(On Diff #31485)

deviecs => devices

This revision now requires changes to proceed.Aug 4 2017, 3:25 AM
This revision was automatically updated to reflect the committed changes.