Skip to content

cpu/stm32/periph_timer: fix spurious IRQs and race conditions#18969

Merged
maribu merged 2 commits intoRIOT-OS:masterfrom
maribu:cpu/stm32/periph_timer/fix_spurious_irqs
Nov 25, 2022
Merged

cpu/stm32/periph_timer: fix spurious IRQs and race conditions#18969
maribu merged 2 commits intoRIOT-OS:masterfrom
maribu:cpu/stm32/periph_timer/fix_spurious_irqs

Conversation

@maribu
Copy link
Copy Markdown
Member

@maribu maribu commented Nov 24, 2022

Contribution description

This fixes in the periph_timer implementation of STM32:

  • race conditions when two threads share the same timer peripheral, but distinct sets of timer channel
  • spurious IRQs

Testing procedure

The test in #18963 should now pass

Issues/PRs references

#18963

@maribu
cpu/stm32/periph_timer: fix race conditions
93c5755 
Allow two threads to share the same timer - provided they use distinct
sets of timer channels - without occasionally corrupting registers or
state flags.
@maribu
cpu/stm32/periph_timer: fix spurious IRQs
20fc71d
@maribu maribu added Type: bug The issue reports a bug / The PR fixes a bug (including spelling errors) CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR Process: needs backport Integration Process: The PR is required to be backported to a release or feature branch labels Nov 24, 2022
@github-actions github-actions bot added Area: cpu Area: CPU/MCU ports Platform: ARM Platform: This PR/issue effects ARM-based platforms labels Nov 24, 2022
@benpicco benpicco requested a review from fabian18 November 24, 2022 23:57
@riot-ci
Copy link
Copy Markdown

riot-ci commented Nov 25, 2022

Murdock results

✔️ PASSED

20fc71d cpu/stm32/periph_timer: fix spurious IRQs

Success Failures Total Runtime
117858 0 117858 01h:56m:36s

Artifacts

@maribu maribu merged commit cf93e9e into RIOT-OS:master Nov 25, 2022
@maribu maribu deleted the cpu/stm32/periph_timer/fix_spurious_irqs branch November 25, 2022 07:11
@maribu
Copy link
Copy Markdown
Member Author

maribu commented Nov 25, 2022

Thx!

@fabian18 the reason @benpicco pingged you is likely due to the issue you found with some network timeout triggering right aeay resulting in two transmissions where only one was expected. I cannot remember the exact context or PR. I think this fix PR may have solved the issue.

@maribu maribu mentioned this pull request Nov 25, 2022
Merged
@maribu
Copy link
Copy Markdown
Member Author

maribu commented Nov 25, 2022

Backport provided in #18972

@maribu maribu mentioned this pull request Nov 25, 2022
Merged
@fabian18
Copy link
Copy Markdown
Contributor

fabian18 commented Nov 25, 2022

Yes this fixes Issue #18217! Great!

@fabian18 fabian18 mentioned this pull request Nov 25, 2022
Closed
@maribu maribu mentioned this pull request Nov 25, 2022
Open
20 tasks
@kaspar030 kaspar030 added this to the Release 2023.01 milestone Jan 19, 2023
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

@benpicco benpicco benpicco approved these changes

@aabadie aabadie Awaiting requested review from aabadie aabadie is a code owner

@fjmolinas fjmolinas Awaiting requested review from fjmolinas

@DipSwitch DipSwitch Awaiting requested review from DipSwitch

@vincent-d vincent-d Awaiting requested review from vincent-d vincent-d is a code owner

@fabian18 fabian18 Awaiting requested review from fabian18

Assignees

No one assigned

Labels

Area: cpu Area: CPU/MCU ports CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR Platform: ARM Platform: This PR/issue effects ARM-based platforms Process: needs backport Integration Process: The PR is required to be backported to a release or feature branch Type: bug The issue reports a bug / The PR fixes a bug (including spelling errors)

Projects

None yet

Milestone

Release 2023.01

Development

Successfully merging this pull request may close these issues.

5 participants

@maribu @riot-ci @fabian18 @benpicco @kaspar030