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[23.128.96.18]) by mx.google.com with ESMTP id p2si5107823ejb.4.2021.04.14.07.35.38; Wed, 14 Apr 2021 07:36:05 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmx.net header.s=badeba3b8450 header.b=DclMOqzL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=gmx.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349751AbhDNH51 (ORCPT + 99 others); Wed, 14 Apr 2021 03:57:27 -0400 Received: from mout.gmx.net ([212.227.15.19]:34569 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245671AbhDNH5X (ORCPT ); Wed, 14 Apr 2021 03:57:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1618387013; bh=THS3x+hU0eqVl18y1Db7EOuahnPn/NI11RQChZnBbJw=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=DclMOqzLj3H3kxQtuL/eClDM53XEQy9KHCPI2B9uFwki7yOcfi0w/XV92HZV4xw+/ stjkgs/q+YFFiOTJDHYrAwdsFPHm/D+M4aQ7woLIN0TJHCz9ft6NC6J2FK1Mp68PP0 rhkv+GECCJgjK9fLcFfOaHd7LNmI3iEzvoDyYx0M= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.191.216.50]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1M72sP-1lT2pG16P1-008cGJ; Wed, 14 Apr 2021 09:56:53 +0200 Message-ID: Subject: Re: =?UTF-8?Q?=E5=9B=9E=E5=A4=8D=3A?= Question on KASAN calltrace record in RT From: Mike Galbraith To: "Zhang, Qiang" , Dmitry Vyukov Cc: Andrew Halaney , "andreyknvl@gmail.com" , "ryabinin.a.a@gmail.com" , "akpm@linux-foundation.org" , "linux-kernel@vger.kernel.org" , "kasan-dev@googlegroups.com" Date: Wed, 14 Apr 2021 09:56:52 +0200 In-Reply-To: References: ,<182eea30ee9648b2a618709e9fc894e49cb464ad.camel@gmx.de> Content-Type: text/plain; charset="ISO-8859-15" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:lOl8XRpuQSDP5jCLgTZRxrpHEEiYy6+1yubRgO/J/4je0GfEMvp h4u1jz185MnWrGanzgpPolJ7uRtTXt5qqFIqhhM1d6+LYPP5fT/GVY9HMJ68Kste03PBL8d lcdJJFJpcs++Ksdv9Sz30NOudW63ejXvLTCwdTkkcwArK8GxWn1Bjwz23ThTMH57um1xfBB fJRvtKmBBfBmrUI0o5SOw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:siDEEibQxqo=:EvtHd77BMBR0tdMlJIOtUs OmiK5HRrlJfX7CW1iIvdyOTDjOpD3MSOgDWwOJXPFHHwzL2NaAbt5E/FBHMNKDKUnxSOGHZDj 12FJ2xKsK6P15mqaB2rykElfTDOyi6MSzcfmeaWGh7AvCMFzXs71fC2v6mktcM9gBNW3HRK8i 7E2m7zB83moDV0deKWzsbvxgzyZ4yfwhLFRtOS4BM8gFTaVxsHLWtOMmI+VZ9nxfSqNha4CHg fJNgaOWcmvfIU4ImMFmW1i3IOYPxhFrIHfxfUF6vX9Vq31hyVjlpw+lypWv6FR6J0QKzMCGQY vEOqPgTOkBHbZtDpin1n8l/waME5m2wRh9FrOlfb1LK9qxMoHx/0nzr5S0t4Os0m9K30OJCRj JrR/DfR1yxVJTWyMk3VyLMDuEdztHXQMBjP5CN6RGy3hTMueNOKyX4WOJwP6LDo94cmDh1T7U 0XCsvf/ggBKUSNiYPkBCdh7hpkF4wIwqvnku12fyxaO2nsMsvOQORIdX/G6Zn91nd6Ven3P2y p7ADfd+5JBce6ocSuY6dpW9Wx3Gu/lzdf7Y7/z6CcsWdMtv/F1+JBenUJJTg7um/EzErMHr57 g1l70dUicQjFkrf17PpMpiZYEmY+lSuqIpXnpVFtPWs4jyeyd4Jtd4Ol7/negh04Cf9zzk0CN SItsFcxBEF/G5yHvCxtxURfJbBFttVNtuI/r/Sv+uzadlHt5rDuD4HmXhVvlj+Xrbz9KEAkWC A3TTValnN9yQ4pecWCaLgLCi0VsHVfRbz1U8Z0q7jYc2Prf3S8GgtMDshnxzcGynXux21ICQD x1P16Xpe9mLTCnhokC1XSWJh4XIT2Scq+wwS8YkozM8lLtwB/NaSuDeEbFIWIOdDLr+Qv5Fig 3U1AGZWAi4W8+/fpqTjWGHmts/dZT7RrFkjQcdudqK7tBcwBDrVOibAcP7kF1AIrNZwXJtr3o kr2BB5ZT9LeflNSq9dRf5WlKCH/SaGK50mXoGX4/5rVdJfsw6bfN/Za9Nt3/JoXuSPx3T0lpn ypyOX85OKna/6HSTgVMOerIe+x8Kf0GUvcbtWp7dtAofZLAUX5jJWgHQGx7dOkjicZedaBBKI LpOWTzTkjzBLT+gIuiI11ddfx+LNaqWlMITYydwVvbdX0uVF2Mf9LXlZ8TOgwoQ/an799ozG5 vtnofUFVLZ5ZdIpRlNrb8ZgqnORD78NZGeePRbW1vmWSzl9GiX4RTI3tXiskkbqxPvSb8= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2021-04-14 at 07:29 +0000, Zhang, Qiang wrote: > > if CONFIG_PREEMPT_RT is enabled and but not in preemptible, the preallo= c should be allowed No, you can't take an rtmutex when not preemptible. -Mike