From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE723C432C0 for ; Tue, 26 Nov 2019 13:11:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A6682071E for ; Tue, 26 Nov 2019 13:11:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="fTbR+yoo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727604AbfKZNLi (ORCPT ); Tue, 26 Nov 2019 08:11:38 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:54691 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726121AbfKZNLi (ORCPT ); Tue, 26 Nov 2019 08:11:38 -0500 X-UUID: c3e429ce4cb44acfabb86d3ab2b00dbf-20191126 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=WlPnUjC0Phkva1NreMCotJOZ/GKrJRhduHCPYVkHaA0=; b=fTbR+yooKFztBsSCvuDvMAttoEjWpz/cVcLKPpJ0EKQDKoVquDsLw2z6NDMp4LE8xBsTaUIdyaWLDrnkeuz/7PjepOy4ZfdEqmF5PeXP9dKNECa7JVUnL5cjvKLdK8Xg6pEdDnGpD9cuvGStTSGBN/wHZNXXBlA0fvIAWj10pg0=; X-UUID: c3e429ce4cb44acfabb86d3ab2b00dbf-20191126 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1179083908; Tue, 26 Nov 2019 21:11:32 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 26 Nov 2019 21:11:27 +0800 Received: from [172.21.84.99] (172.21.84.99) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 26 Nov 2019 21:12:01 +0800 Message-ID: <1574773890.12247.23.camel@mtksdccf07> Subject: Re: [PATCH 1/1] sched: panic, when call schedule with preemption disable From: Kathleen Chang To: Peter Zijlstra CC: Matthias Brugger , , , , Date: Tue, 26 Nov 2019 21:11:30 +0800 In-Reply-To: <20191121123048.GQ4097@hirez.programming.kicks-ass.net> References: <1574323985-24193-1-git-send-email-yt.chang@mediatek.com> <20191121123048.GQ4097@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVGh1LCAyMDE5LTExLTIxIGF0IDEzOjMwICswMTAwLCBQZXRlciBaaWpsc3RyYSB3cm90ZToN Cj4gT24gVGh1LCBOb3YgMjEsIDIwMTkgYXQgMDQ6MTM6MDVQTSArMDgwMCwgWVQgQ2hhbmcgd3Jv dGU6DQo+ID4gV2hlbiBwcmVlbXB0aW9uIGlzIGRpc2FibGUsIGNhbGwgc2NoZWR1bGUoKSBpcyBp bmNvcnJlY3QgYmVoYXZpb3IuDQo+ID4gU3VnZ2VzdCB0byBwYW5pYyBkaXJlY3RseSByYXRoZXIg dGhhbiBkZXBlbmQgb24gcGFuaWNfb25fd2Fybi4NCj4gDQo+IFdoeSE/DQoNCg0KMS4gUGFuaWMg ZGlyZWN0bHkgd2lsbCBlYXNpbHkgZmluZCB0aGUgcm9vdCBjYXVzZS4gDQoNCiAgIENhbGwgc2No ZWR1bGluZyBpbiBhdG9taWMgYWZmZWN0cyBub3Qgb25seSBwZXJmb3JtYW5jZSBidXQgYWxzbw0K c3lzdGVtIHN0YWJpbGl0eS4gDQogICAgZXg6IA0KICAgICAgQ2FsbCBzY2hlZHVsaW5nIGluIElS USB3aWxsIHJlc3VsdCBpbiBJUlEgZW5hYmxlIGFmdGVyIHNjaGVkdWxlKCkgDQoNCjIuIEEgbG90 IG9mIHdhcm5pbmdzIGRlcGVuZCBvbiBwYW5pY19vbl93YXJuLiBJdCBpcyBub3QgcHJhY3RpY2Fs IHRvDQpzZXQgcGFuaWNfb25fd2Fybj0xLiANCg0K