linux-kernel - 回复: 回复: Question on KASAN calltrace record in RT

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Message-ID: <DM6PR11MB42020E2F3A57E285D512A7B2FF4E9@DM6PR11MB4202.namprd11.prod.outlook.com>
Date:   Wed, 14 Apr 2021 08:09:56 +0000
From:   "Zhang, Qiang" <Qiang.Zhang@...driver.com>
To:     Mike Galbraith <efault@....de>, Dmitry Vyukov <dvyukov@...gle.com>
CC:     Andrew Halaney <ahalaney@...hat.com>,
        "andreyknvl@...il.com" <andreyknvl@...il.com>,
        "ryabinin.a.a@...il.com" <ryabinin.a.a@...il.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kasan-dev@...glegroups.com" <kasan-dev@...glegroups.com>
Subject: 回复: 回复: Question on KASAN calltrace record in RT



________________________________________
发件人: Mike Galbraith <efault@....de>
发送时间: 2021年4月14日 15:56
收件人: Zhang, Qiang; Dmitry Vyukov
抄送: Andrew Halaney; andreyknvl@...il.com; ryabinin.a.a@...il.com; akpm@...ux-foundation.org; linux-kernel@...r.kernel.org; kasan-dev@...glegroups.com
主题: Re: 回复: 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