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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 660A9C433FE for ; Tue, 26 Apr 2022 15:14:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:CC:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QWg5eYCa9GF4wQ3j2s7STZTKk3jWoJprxMcLn97lXHc=; b=2F4gM9oWeSGNzj PvTq4HHIT+ilyUl8TFAqb/Rx/sznRnOKtjTqjTb2WiIpY0698dq8nR9Rz6+JNS7mYoxdQpqO69ri2 2f7bePvYR8XKCWWKhutWCTuPGoAHYWYbRcc9uBvgunMLA6qdWazzMM9QZX1vfoUBmwW5NVTLKBWTu e9AfPL6vABG7CU1+Px7MuWlrsyyq7XJYC8ECsPM9O1NWtWuaE3i/AXhkmr7926RDypUr4SnNm+kC0 LmocCauDFfN+m/f72AphT1g90Lv7y6St9OeIVCJfCydqP9LgcZ88p1y8wTZcrQHFcOuMn3ueA+uYa TPBgBc74dTVDcyPYpVwQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1njMsu-00F8VX-29; Tue, 26 Apr 2022 15:13:48 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1njMsq-00F8P2-Cr for linux-arm-kernel@lists.infradead.org; Tue, 26 Apr 2022 15:13:46 +0000 Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Knljt5KSfzfb9P; Tue, 26 Apr 2022 23:12:34 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 26 Apr 2022 23:13:27 +0800 Received: from [10.174.177.243] (10.174.177.243) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 26 Apr 2022 23:13:27 +0800 Message-ID: <4c8acff0-38c5-4a4e-e216-c5252259b1f8@huawei.com> Date: Tue, 26 Apr 2022 23:13:27 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.1 Subject: Re: [PATCH] arm64: kcsan: Fix kcsan test_barrier fail and panic Content-Language: en-US To: Marco Elver CC: , , , , References: <20220426081700.1376542-1-wangkefeng.wang@huawei.com> From: Kefeng Wang In-Reply-To: X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220426_081344_675254_3B42C5B4 X-CRM114-Status: UNSURE ( 9.58 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Ck9uIDIwMjIvNC8yNiAyMDoxMCwgTWFyY28gRWx2ZXIgd3JvdGU6Cj4gT24gVHVlLCBBcHIgMjYs IDIwMjIgYXQgMDg6MTdBTSArMDAwMCwgS2VmZW5nIFdhbmcgd3JvdGU6Cj4+IEFzICJrY3Nhbjog U3VwcG9ydCBkZXRlY3RpbmcgYSBzdWJzZXQgb2YgbWlzc2luZyBtZW1vcnkgYmFycmllcnMiCj4+ IGludHJvZHVjZWQgS0NTQU5fU1RSSUNUIHdoaWNoIG1ha2Uga2NzYW4gZGV0ZWN0cyBtb3JlIG1p c3NpbmcgbWVtb3J5Cj4+IGJhcnJpZXIsIGJ1dCBhcm02NCBkb24ndCBoYXZlIEtDU0FOIGluc3Ry dW1lbnRhdGlvbiBmb3IgYmFycmllcnMsIHNvCj4+IHRoZSBuZXcgc2VsZnRlc3QgdGVzdF9iYXJy aWVyKCkgd2lsbCBmYWlsLCB0aGVuIHBhbmljLgo+IFRoYW5rcyBmb3IgZml4aW5nIHRoaXMgLSBk aWQga2NzYW5fdGVzdCBtb2R1bGUgcGFzcyBhcyB3ZWxsPwoKWWVz77yMIHNlbGZ0ZXN0IGFuZCBr Y3Nhbl90ZXN0wqAgcGFzc2VkIHdpdGggZ2NjMTEgJiBjbGFuZyAxNC4KCi4uLgoKPj4gKyNpZmRl ZiBfX2RtYV9tYgo+PiArI2RlZmluZSBkbWFfbWIoKQlkbyB7IGtjc2FuX21iKCk7IF9fZG1hX21i KCk7IH0gd2hpbGUgKDApCj4+ICsjZW5kaWYKPj4gKwo+IFNvIGl0IGxvb2tzIGxpa2UgYXJtNjQg aXMgdGhlIG9ubHkgYXJjaCB0aGF0IGRlZmluZXMgZG1hX21iKCkuIEJ5IGFkZGluZwo+IGl0IHRv IGFzbS1nZW5lcmljLCB3ZSdkIGFsbW9zdCBiZSBlbmNvdXJhZ2luZyBvdGhlciBhcmNoaXRlY3R1 cmVzIHRvIGFkZAo+IGl0LCB3aGljaCBJIGRvbid0IGtub3cgd2Ugd2FudC4KPgo+IERvY3VtZW50 YXRpb24vbWVtb3J5LWJhcnJpZXJzLnR4dCBkb2Vzbid0IG1lbnRpb24gZG1hX21iKCkgZWl0aGVy IC0gc28KPiBwZXJoYXBzIGRtYV9tYigpIGRvZXNuJ3QgYmVsb25nIGluIGFzbS1nZW5lcmljL2Jh cnJpZXIuaCwgYW5kIHlvdSBjb3VsZAo+IG9ubHkgY2hhbmdlIGFybTY0J3MgZGVmaW5pdGlvbiBv ZiBkbWFfbWIoKSB0byBhZGQgdGhlIGtjc2FuX21iKCkuCj4KPiBQcmVmZXJlbmNlcz8gTWF5YmUg YXJjaDY0IG1haW50YWluZXJzIGhhdmUgbW9yZSBiYWNrZ3JvdW5kIG9uIHdoeSBhcm02NAo+IGlz IGFuIGFub21hbHkgaGVyZS4KPiAuCkxldCdzIHdhaXQgdG8gc2VlIGFhcmNoNjQgbWFpbnRhaW5l cnMncyBzdWdnZXN0aW9uLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBs aXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlz dGluZm8vbGludXgtYXJtLWtlcm5lbAo=