Re: spinlock recursion in aio_complete()

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On 5/20/23 22:43, Helge Deller wrote:
On a single-CPU parisc64 machine I face the spinlock recursion below.
Happens reproduceably directly at bootup since kernel 6.2 (and ~ 6.1.5).
Kernel is built for SMP. Same kernel binary works nicely on machines with more than
one CPU, but stops on UP machines.
Any idea or patch I could try?

How about performing one or more of the following actions?
* Translating aio_complete+0x68 into a line number.
* Repeating the test with lockdep enabled.
* Bisecting this issue.

Thanks,

Bart.



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