Skip to content

cpu: fix panic at core power down#453

Merged
lgirdwood merged 1 commit intothesofproject:masterfrom
tlauda:topic/smp-waiti-fix
Oct 3, 2018
Merged

cpu: fix panic at core power down#453
lgirdwood merged 1 commit intothesofproject:masterfrom
tlauda:topic/smp-waiti-fix

Conversation

@tlauda
Copy link
Copy Markdown
Contributor

@tlauda tlauda commented Oct 2, 2018

Fixes panic at core power down. Panic happened due to
the waiti check, where we expect waiti to be executed
on irq level 0 and cpu power down happens on idc task
irq level. This is OK, because core is going to be
reset anyway.

Signed-off-by: Tomasz Lauda tomasz.lauda@linux.intel.com

@tlauda tlauda requested a review from lgirdwood October 2, 2018 14:01
Comment thread src/arch/xtensa/smp/cpu.c Outdated
Fixes panic at core power down. Panic happened due to
the waiti check, where we expect waiti to be executed
on irq level 0 and cpu power down happens on idc task
irq level. This is OK, because core is going to be
reset anyway.

Signed-off-by: Tomasz Lauda <tomasz.lauda@linux.intel.com>
@tlauda tlauda force-pushed the topic/smp-waiti-fix branch from a807236 to 62de7e9 Compare October 3, 2018 12:26
@tlauda
Copy link
Copy Markdown
Contributor Author

tlauda commented Oct 3, 2018

@lgirdwood Comment added.

@lgirdwood lgirdwood merged commit 57744b8 into thesofproject:master Oct 3, 2018
@tlauda tlauda deleted the topic/smp-waiti-fix branch November 22, 2019 11:26
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants