Received: by 2002:a25:7ec1:0:0:0:0:0 with SMTP id z184csp4240941ybc; Tue, 26 Nov 2019 06:08:52 -0800 (PST) X-Google-Smtp-Source: APXvYqwQMzpFnGlu4QgbhuwF+TtO6b9FYR0KDB3gK55lTYWQlkJRK2XwyH5Z1qKGrNXTit0XlzAM X-Received: by 2002:a17:906:6403:: with SMTP id d3mr44170250ejm.258.1574777332343; Tue, 26 Nov 2019 06:08:52 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1574777332; cv=none; d=google.com; s=arc-20160816; b=o8CyBX92jAWFC06Q82L3CyKvTvr3UqgPv0LcZbOuL5v3f/mcbBgR8RU1HqzcNOAzeN XczQTMrppMaCpAcuVHyp9jDRBu9IryDXzt8OM1cmsXYCRfTfKj+PWlHTKGR/RswH7F09 6IlBF1P2EcnhuqvT827/9jcY/ud8MATkw0h64UpX/PQJY5dgKruo+FEv6+Al/yX41qJa YnZvUPSxW+kEmtpyWQwEy/8RbO0h+VapAL4W5fxO9pF4KyeNu2nBwFBTZD13ABgWLjx2 hlArLJpE9T436Y+6XXjbBEKBAGahvSVDeUtDWYZxM4eW4NU+rRdFL3u9yeUTXdgoMEDP YXOQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:date:cc:to:from:subject:message-id :dkim-signature; bh=WlPnUjC0Phkva1NreMCotJOZ/GKrJRhduHCPYVkHaA0=; b=qUl88jZ45xMo+hCF/k+AbTh+HBTn04uBRuSN8oJs/3BM09+s3XYQ77DX128xWKGbHi J1HHjytSoJxGqelvAAUdFuEFARQgO4Uwh6I/L7zJQnAlr6HQsR29NtuwFg/8HEvSmnFW mggYI3N2T6h1ri0DOf+77zXJKOBnv7jTr6TSLXHVgUBI637+Vb6D9ME7oqdzH/HklP/w i72VDP/OnmUp3HuLBlwIy7Q2HtBQqbvn4uFQDumARHL90i3edLrBe0GQfE9I+euisDRz g5t2G0tp5nfD9/GUbNSaPvFscxvnkKqplNA8mb/O9mPIJG9rjutJvPQdc6uUzgAtgBhb +ULw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@mediatek.com header.s=dk header.b=fTbR+yoo; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mediatek.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id dn24si8710590edb.251.2019.11.26.06.08.27; Tue, 26 Nov 2019 06:08:52 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@mediatek.com header.s=dk header.b=fTbR+yoo; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mediatek.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727587AbfKZNLi (ORCPT + 99 others); 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