masayuki2009 commented on PR #9065:
URL: https://github.com/apache/nuttx/pull/9065#issuecomment-1519260725
@hujun260
I think that 'cpu: ' in the commit log is too generic and would lead to
misunderstanding.
My recommendation is to use 'arm64: ' instead.
```
commit 6063c0516e9899230d6de9e1c9ac8ca1bfbd0143 (tag: nuttx-20230424-015132)
Author: hujun5 <huj...@xiaomi.com>
Date: Fri Apr 7 17:11:33 2023 +0800
cpu: in SMP pthread_cancel occasionally deadlock
In smp when cpu0 calls up_cpu_resume to release the cpu1 lock, another
locked cpu1 did not execute immediately,
and soon cpu0 called up_cpu_resume again, now cpu1 unable to respond to
the interrupt at this time, resulting in a deadlock.
Our solution is to restore cpu1 execution from asynchronous to
synchronous to ensure that cpu1 is restored.
Signed-off-by: hujun5 <huj...@xiaomi.com>
```
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