Bug 1421810 – [rt] implement the simple work queue from upstream PREEMPT_RT series

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Bug 1421810 - [rt] implement the simple work queue from upstream PREEMPT_RT series

Summary:	[rt] implement the simple work queue from upstream PREEMPT_RT series

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 7
Classification:	Red Hat
Component:	kernel-rt (Show other bugs)
Sub Component:
Version:	7.4
Hardware:	x86_64 Linux

Priority	medium Severity medium
Target Milestone:	rc
Target Release:	---
Assigned To:	Clark Williams
QA Contact:	Jiri Kastner
Docs Contact:

URL:
Whiteboard:
Keywords:

Depends On:
Blocks:	1353018 1410158
	Show dependency tree / graph

Reported:	2017-02-13 13:15 EST by Clark Williams
Modified:	2017-08-01 20:24 EDT (History)
CC List:	2 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2017-08-01 15:00:29 EDT
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
work-simple-Simple-work-queue-implemenation.patch (5.16 KB, patch) 2017-02-13 13:17 EST, Clark Williams	no flags	Details \| Diff
fs-aio-simple-simple-work.patch (3.46 KB, patch) 2017-02-13 13:18 EST, Clark Williams	no flags	Details \| Diff
genirq-do-not-invoke-the-affinity-callback-via-a-wor.patch (3.93 KB, patch) 2017-02-13 13:18 EST, Clark Williams	no flags	Details \| Diff
hrtimer-Move-schedule_work-call-to-helper-thread.patch (3.06 KB, patch) 2017-02-13 13:19 EST, Clark Williams	no flags	Details \| Diff
0001-wait.h-include-atomic.h.patch (1.38 KB, patch) 2017-02-14 10:18 EST, Clark Williams	no flags	Details \| Diff
0002-work-simple-Simple-work-queue-implemenation.patch (5.64 KB, patch) 2017-02-14 10:19 EST, Clark Williams	no flags	Details \| Diff
0003-Revert-genirq-do-not-invoke-the-affinity-callback-vi.patch (4.47 KB, patch) 2017-02-14 10:20 EST, Clark Williams	no flags	Details \| Diff
0004-genirq-Do-not-invoke-the-affinity-callback-via-a-wor.patch (4.03 KB, patch) 2017-02-14 10:21 EST, Clark Williams	no flags	Details \| Diff
0005-Revert-hrtimer-Move-schedule_work-call-to-helper-thr.patch (2.00 KB, patch) 2017-02-14 10:21 EST, Clark Williams	no flags	Details \| Diff
0006-hrtimer-Move-schedule_work-call-to-helper-thread.patch (3.27 KB, patch) 2017-02-14 10:23 EST, Clark Williams	no flags	Details \| Diff
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2017:2077	normal	SHIPPED_LIVE	Important: kernel-rt security, bug fix, and enhancement update	2017-08-01 14:13:37 EDT

Groups: None (edit)

Description Clark Williams 2017-02-13 13:15:40 EST

Pull in simple work queue

Comment 1 Clark Williams 2017-02-13 13:17 EST

Created attachment 1249982 [details]
work-simple-Simple-work-queue-implemenation.patch

4.8.15-rt10 upstream PREEMPT_RT implementation of swork queues

Comment 2 Clark Williams 2017-02-13 13:18 EST

Created attachment 1249983 [details]
fs-aio-simple-simple-work.patch

Comment 3 Clark Williams 2017-02-13 13:18 EST

Created attachment 1249984 [details]
genirq-do-not-invoke-the-affinity-callback-via-a-wor.patch

Comment 4 Clark Williams 2017-02-13 13:19 EST

Created attachment 1249985 [details]
hrtimer-Move-schedule_work-call-to-helper-thread.patch

Comment 5 Clark Williams 2017-02-14 10:18 EST

Created attachment 1250277 [details]
0001-wait.h-include-atomic.h.patch

ARM only fix

Comment 6 Clark Williams 2017-02-14 10:19 EST

Created attachment 1250278 [details]
0002-work-simple-Simple-work-queue-implemenation.patch

Implement swork queues on RHEL-RT 7.4

Comment 7 Clark Williams 2017-02-14 10:20 EST

Created attachment 1250280 [details]
0003-Revert-genirq-do-not-invoke-the-affinity-callback-vi.patch

Revert helper thread irq fix

Comment 8 Clark Williams 2017-02-14 10:21 EST

Created attachment 1250281 [details]
0004-genirq-Do-not-invoke-the-affinity-callback-via-a-wor.patch

Implement genirq locking fix using simple-workqueue

Comment 9 Clark Williams 2017-02-14 10:21 EST

Created attachment 1250282 [details]
0005-Revert-hrtimer-Move-schedule_work-call-to-helper-thr.patch

revert helper thread fix to hrtimer locking issue

Comment 10 Clark Williams 2017-02-14 10:23 EST

Created attachment 1250283 [details]
0006-hrtimer-Move-schedule_work-call-to-helper-thread.patch

Implement hrtimer locking fix with simple-workqueue

Comment 11 Clark Williams 2017-02-14 10:25:07 EST

Scratch build against -563 7.4 kernel with above series and new swait code ran rteval for 12 hours with passing latency. 

https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=12537155

Comment 16 errata-xmlrpc 2017-08-01 15:00:29 EDT

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2017:2077

Comment 17 errata-xmlrpc 2017-08-01 20:24:28 EDT

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2017:2077

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