2021-04-14 14:36:05

by Mike Galbraith

Subject: Re: 回复: Question on KASAN calltrace record in RT

On Wed, 2021-04-14 at 07:29 +0000, Zhang, Qiang wrote:
>
> if CONFIG_PREEMPT_RT is enabled and but not in preemptible, the prealloc should be allowed

No, you can't take an rtmutex when not preemptible.

-Mike

2021-04-14 21:02:16

by Zhang, Qiang

Subject: 回复: 回复: Question on KASAN calltrace recor d in RT

________________________________________
??????: Mike Galbraith <[email protected]>
????ʱ??: 2021??4??14?? 15:56
?ռ???: Zhang, Qiang; Dmitry Vyukov
????: Andrew Halaney; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]
????: Re: ?ظ?: Question on KASAN calltrace record in RT

[Please note: This e-mail is from an EXTERNAL e-mail address]

On Wed, 2021-04-14 at 07:29 +0000, Zhang, Qiang wrote:
>
> if CONFIG_PREEMPT_RT is enabled and but not in preemptible, the prealloc should be allowed
>
>No, you can't take an rtmutex when not preemptible.
>
Oh, I'm in a mess,

Thank you for your explanation.

> -Mike