Use processor barrier in MemoryFence implementation to solve stress test failure #38
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Tracked-On: OAM-128405 Signed-off-by: Gang G Chen <[email protected]>
__volatile__("": : :"memory") is compiler barrier to tell compiler
don't reoder memory related instruction
__volatile__("mfence": : :"memory") is processor barrier that all
the RW instuction to complete before this instruction
This can sovle kernelflinger hang issue in boot stress test
Tracked-On: OAM-128405
Signed-off-by: Gang G Chen <[email protected]>
Signed-off-by: Alek Du <[email protected]>
sysopenci
added
Valid commit message
Pending Developer Approval
sysopenci
requested review from
ceiba1985,
dyang23,
gkdeepa,
kwang13,
lchen43,
shyjumon-n,
xihua-chen and
yaoxinshi-intel
dyang23
approved these changes
Dec 12, 2024
sysopenci
added
Developer Approved
PR approved
and removed
Pending Developer Approval
sysopenci
removed request for
ceiba1985,
kwang13,
xihua-chen,
lchen43,
gkdeepa,
shyjumon-n and
yaoxinshi-intel
|
Android CI has started Engineering Build for this issue ,Please check the linked Tracked-On issue/Android CI Web for more details. |
|
FAILURE: Android CI has completed Engineering Build for this issue.Please check the linked Tracked-On issue/Android CI Web for more details. |
sysopenci
added
Engineering Build Failed
and removed
Engineering Build Not Started
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
No description provided.