hyperv/vmbus: Use atomic swap and flsl to process event flags
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Authored by sepherosa_gmail.com on May 17 2016, 1:32 AM.

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howard0su_gmail.com
honzhan_microsoft.com
decui_microsoft.com
delphij
royger
adrian

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rS300105: hyperv/vmbus: Use atomic swap and flsl to process event flags

Summary

Greatly reduce the locked instructions and reduce number of inner loops.

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Repository

rS FreeBSD src repository - subversion

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sepherosa_gmail.com updated this revision to Diff 16429.May 17 2016, 1:32 AM

sepherosa_gmail.com retitled this revision from to hyperv/vmbus: Use atomic swap and flsl to process event flags.

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.

Closed by commit rS300105: hyperv/vmbus: Use atomic swap and flsl to process event flags (authored by sephe). · Explain WhyMay 18 2016, 3:29 AM

This revision was automatically updated to reflect the committed changes.

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Path

Size

head/

sys/

dev/

hyperv/

vmbus/

hv_connection.c

40 lines

Diff 16500

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

hyperv/vmbus: Use atomic swap and flsl to process event flagsClosedPublicActions