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Differential D5879

hyperv/hn: Cap default # of rings to 8.
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Authored by sepherosa_gmail.com on Apr 8 2016, 5:03 AM.
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howard0su_gmail.com
honzhan_microsoft.com
decui_microsoft.com
delphij
royger
adrian
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network
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rS297809: hyperv/hn: Cap default # of rings to 8.
Summary

8 gives the best performance in both Azure and local Hyper-V on both 10Ge and 40Ge. More rings are still allowed by manual configuration.

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sepherosa_gmail.com updated this revision to Diff 14999.Apr 8 2016, 5:03 AM
sepherosa_gmail.com retitled this revision from to hyperv/hn: Cap default # of rings to 8..
sepherosa_gmail.com updated this object.
sepherosa_gmail.com edited the test plan for this revision. (Show Details)
sepherosa_gmail.com added reviewers: network, adrian, delphij, royger, decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com.
decui_microsoft.com accepted this revision.Apr 8 2016, 10:55 AM
decui_microsoft.com edited edge metadata.
This revision is now accepted and ready to land.Apr 8 2016, 10:55 AM
Closed by commit rS297809: hyperv/hn: Cap default # of rings to 8. (authored by sephe). · Explain WhyApr 11 2016, 6:32 AM
This revision was automatically updated to reflect the committed changes.

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sys/
dev/
hyperv/
netvsc/
10 lines

Diff 14999

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sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

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