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Differential D5081

Remove NOWAIT in the places where actually can wait.
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Authored by howard0su_gmail.com on Jan 26 2016, 12:26 PM.
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honzhan_microsoft.com
decui_microsoft.com
delphij
sepherosa_gmail.com
royger
adrian
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rS295308: hyperv: Use WAITOK in the places where we can wait
Summary

use M_WAITOK when applicatable
Remove code to check NULL return values.
Convert sc_lock to normal mutex

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rS FreeBSD src repository - subversion
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Buildable 2271
Build 2280: arc lint + arc unit

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howard0su_gmail.com updated this revision to Diff 12717.Jan 26 2016, 12:26 PM
howard0su_gmail.com retitled this revision from to Remove NOWAIT in the places where actually can wait..
howard0su_gmail.com updated this object.
howard0su_gmail.com edited the test plan for this revision. (Show Details)
Herald added subscribers: Contributor Reviews (src), imp. · View Herald TranscriptJan 26 2016, 12:26 PM
howard0su_gmail.com added reviewers: decui_microsoft.com, honzhan_microsoft.com, royger, sepherosa_gmail.com, delphij.Jan 27 2016, 2:35 AM
howard0su_gmail.com added parent revisions: D4920: Hyperv: Event handling code refactor., D4963: Use standard taskqueue instead of hv_work_queue.
howard0su_gmail.com updated this revision to Diff 12742.Jan 27 2016, 5:46 AM

rebase to HEAD

howard0su_gmail.com added a parent revision: D5087: hyperv/vmbus: malloc a buffer of PAGE_SIZE is grantee physical contig..Jan 29 2016, 2:38 PM
howard0su_gmail.com added a reviewer: adrian.Feb 4 2016, 4:49 AM
adrian accepted this revision.Feb 4 2016, 5:52 AM
adrian edited edge metadata.

i'm going to OK this, but when changing things to M_WAITOK, just make sure you run it on -HEAD with WITNESS and other debugging enabled (which it is by default, so don't disable it.)

Thanks!

This revision is now accepted and ready to land.Feb 4 2016, 5:52 AM
howard0su_gmail.com added a comment.Feb 4 2016, 7:03 AM

Yes. i already running HEAD with WITNESS with the change.

Closed by commit rS295308: hyperv: Use WAITOK in the places where we can wait (authored by sephe). · Explain WhyFeb 5 2016, 7:20 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
sys/
dev/
hyperv/
netvsc/
17 lines
21 lines
vmbus/
41 lines
6 lines
14 lines

Diff 12717

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sys/dev/hyperv/netvsc/hv_net_vsc.c

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sys/dev/hyperv/netvsc/hv_rndis_filter.c

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sys/dev/hyperv/vmbus/hv_connection.c

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sys/dev/hyperv/vmbus/hv_hv.c

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sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c

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