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Differential D6333

hyperv/vmbus: Simplify event processing
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Authored by sepherosa_gmail.com on May 12 2016, 8:07 AM.
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howard0su_gmail.com
honzhan_microsoft.com
decui_microsoft.com
delphij
royger
adrian
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rS299890: hyperv/vmbus: Simplify event processing
Summary

For channel0, it will never be processed on event handling path, so there is no need to install it. After skipping in the channel0 installation, we could discard the channel0 check on event handling hot code path.

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rS FreeBSD src repository - subversion
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sepherosa_gmail.com updated this revision to Diff 16243.May 12 2016, 8:07 AM
sepherosa_gmail.com retitled this revision from to hyperv/vmbus: Simplify event processing.
sepherosa_gmail.com updated this object.
sepherosa_gmail.com edited the test plan for this revision. (Show Details)
sepherosa_gmail.com added reviewers: adrian, delphij, royger, decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com.
howard0su_gmail.com added inline comments.May 15 2016, 12:01 AM
sys/dev/hyperv/vmbus/hv_connection.c
342 ↗(On Diff #16243)

dword is not changed in the inner loop. you can optimize this as well.

Closed by commit rS299890: hyperv/vmbus: Simplify event processing (authored by sephe). · Explain WhyMay 16 2016, 3:56 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
head/
sys/
dev/
hyperv/
vmbus/
9 lines
15 lines

Diff 16365

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head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c

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head/sys/dev/hyperv/vmbus/hv_connection.c

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