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

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Message-ID: <d47e3abad714ddae643c7e3a10bbf428a65ddd17.camel@gmx.de>
Date:   Wed, 14 Apr 2021 09:56:52 +0200
From:   Mike Galbraith <efault@....de>
To:     "Zhang, Qiang" <Qiang.Zhang@...driver.com>,
        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: 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