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 3846CC433EF for ; Thu, 26 May 2022 03:38:59 +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=zB2zb1eN/Y66e4hyZ4OWDiEg6zIeh8gSfVGP3pwIsHI=; b=G/E8TzELMpX8C0 GZKhrerktlRJd0Yd+vS7x0k/IvQDQRLepg1uJCif5obzdrrcW2TLbE93/DO9R3xFv+4vYUKMs9CBL fZSn4AkNFKq1AqwX2TNlN2+qpTuQsG+jNH0sgMjltbxdptoKF65g6sClN8RVhyHUjDP8Zn0vSdwx0 lhOnJz04Pplt3piH/Wgb2ai/eTDCGxiuzb2puyiWl56V3g2ir/X2wkcLNwNLLOT7cagD4DU1U5nGV Q3hXRnKDU6yP2tOEjoly3frc2INO7m/oDxhE60nTUwoRCmy9RM2+8+jiLj7qeESJ4Ueoy7hfMFhjV FZ3CVqQFs2zlrXt9zGyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nu4J6-00DNy1-RG; Thu, 26 May 2022 03:37:04 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nu4J3-00DNwQ-1T for linux-arm-kernel@lists.infradead.org; Thu, 26 May 2022 03:37:02 +0000 Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4L7tqz2sp6zjX7b; Thu, 26 May 2022 11:35:43 +0800 (CST) Received: from kwepemm600017.china.huawei.com (7.193.23.234) by kwepemi500012.china.huawei.com (7.221.188.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 26 May 2022 11:36:44 +0800 Received: from [10.174.179.234] (10.174.179.234) by kwepemm600017.china.huawei.com (7.193.23.234) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 26 May 2022 11:36:42 +0800 Message-ID: <87bdb1c6-5803-d9c0-9208-432027ae1d8b@huawei.com> Date: Thu, 26 May 2022 11:36:41 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH -next v4 3/7] arm64: add support for machine check error safe To: Mark Rutland CC: James Morse , Andrew Morton , Thomas Gleixner , "Ingo Molnar" , Borislav Petkov , Robin Murphy , Dave Hansen , "Catalin Marinas" , Will Deacon , "Alexander Viro" , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , , "H . Peter Anvin" , , , , , Kefeng Wang , Xie XiuQi , Guohanjun References: <20220420030418.3189040-1-tongtiangen@huawei.com> <20220420030418.3189040-4-tongtiangen@huawei.com> <46e5954c-a9a8-f4a8-07cc-de42e2753051@huawei.com> From: Tong Tiangen In-Reply-To: X-Originating-IP: [10.174.179.234] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600017.china.huawei.com (7.193.23.234) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220525_203701_485591_F9121F51 X-CRM114-Status: GOOD ( 20.07 ) 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 CgrlnKggMjAyMi81LzI1IDE2OjMwLCBNYXJrIFJ1dGxhbmQg5YaZ6YGTOgo+IE9uIFRodSwgTWF5 IDE5LCAyMDIyIGF0IDAyOjI5OjU0UE0gKzA4MDAsIFRvbmcgVGlhbmdlbiB3cm90ZToKPj4KPj4K Pj4g5ZyoIDIwMjIvNS8xMyAyMzoyNiwgTWFyayBSdXRsYW5kIOWGmemBkzoKPj4+IE9uIFdlZCwg QXByIDIwLCAyMDIyIGF0IDAzOjA0OjE0QU0gKzAwMDAsIFRvbmcgVGlhbmdlbiB3cm90ZToKPj4+ PiBEdXJpbmcgdGhlIHByb2Nlc3Npbmcgb2YgYXJtNjQga2VybmVsIGhhcmR3YXJlIG1lbW9yeSBl cnJvcnMoZG9fc2VhKCkpLCBpZgo+Pj4+IHRoZSBlcnJvcnMgaXMgY29uc3VtZWQgaW4gdGhlIGtl cm5lbCwgdGhlIGN1cnJlbnQgcHJvY2Vzc2luZyBpcyBwYW5pYy4KPj4+PiBIb3dldmVyLCBpdCBp cyBub3Qgb3B0aW1hbC4KPj4+Pgo+Pj4+IFRha2UgdWFjY2VzcyBmb3IgZXhhbXBsZSwgaWYgdGhl IHVhY2Nlc3Mgb3BlcmF0aW9uIGZhaWxzIGR1ZSB0byBtZW1vcnkKPj4+PiBlcnJvciwgb25seSB0 aGUgdXNlciBwcm9jZXNzIHdpbGwgYmUgYWZmZWN0ZWQsIGtpbGwgdGhlIHVzZXIgcHJvY2Vzcwo+ Pj4+IGFuZCBpc29sYXRlIHRoZSB1c2VyIHBhZ2Ugd2l0aCBoYXJkd2FyZSBtZW1vcnkgZXJyb3Jz IGlzIGEgYmV0dGVyIGNob2ljZS4KPj4+Cj4+PiBDb25jZXB0dWFsbHksIEknbSBmaW5lIHdpdGgg dGhlIGlkZWEgb2YgY29uc3RyYWluaW5nIHdoYXQgd2UgZG8gZm9yIGEKPj4+IHRydWUgdWFjY2Vz cywgYnV0IEkgZG9uJ3QgbGlrZSB0aGUgaW1wbGVtZW50YXRpb24gb2YgdGhpcyBhdCBhbGwsIGFu ZCBJCj4+PiB0aGluayB3ZSBmaXJzdCBuZWVkIHRvIGNsZWFuIHVwIHRoZSBhcm02NCBleHRhYmxl IHVzYWdlIHRvIGNsZWFybHkKPj4+IGRpc3Rpbmd1aXNoIGEgdWFjY2VzcyBmcm9tIGFub3RoZXIg YWNjZXNzLgo+Pgo+PiBPSyx1c2luZyBFWF9UWVBFX1VBQ0NFU1MgYW5kIHRoaXMgZXh0YWJsZSB0 eXBlIGNvdWxkIGJlIHJlY292ZXIsIHRoaXMgaXMKPj4gbW9yZSByZWFzb25hYmxlLgo+IAo+IEdy ZWF0Lgo+IAo+PiBGb3IgRVhfVFlQRV9VQUNDRVNTX0VSUl9aRVJPLCB0b2RheSB3ZSB1c2UgaXQg Zm9yIGtlcm5lbCBhY2Nlc3NlcyBpbiBhCj4+IGNvdXBsZSBvZiBjYXNlcywgc3VjaCBhcwo+PiBn ZXRfdXNlci9mdXRleC9fX3VzZXJfY2FjaGVfbWFpbnQoKS9fX3VzZXJfc3dwWF9hc20oKSwKPiAK PiBUaG9zZSBhcmUgYWxsIHVzZXIgYWNjZXNzZXMuCj4gCj4gSG93ZXZlciwgX19nZXRfa2VybmVs X25vZmF1bHQoKSBhbmQgX19wdXRfa2VybmVsX25vZmF1bHQoKSB1c2UKPiBFWF9UWVBFX1VBQ0NF U1NfRVJSX1pFUk8gYnkgd2F5IG9mIF9fe2dldCxwdXR9X21lbV9hc20oKSwgc28gd2UnZCBuZWVk IHRvCj4gcmVmYWN0b3IgdGhhdCBjb2RlIHRvIHNwbGl0IHRoZSB1c2VyL2tlcm5lbCBjYXNlcyBo aWdoZXIgdXAgdGhlIGNhbGxjaGFpbi4KPiAKPj4geW91ciBzdWdnZXN0aW9uIGlzOgo+PiBnZXRf dXNlciBjb250aW51ZXMgdG8gdXNlIEVYX1RZUEVfVUFDQ0VTU19FUlJfWkVSTyBhbmQgdGhlIG90 aGVyIGNhc2VzIHVzZQo+PiBuZXcgdHlwZSBFWF9UWVBFX0ZJWFVQX0VSUl9aRVJPPwo+IAo+IFll cywgdGhhdCdzIHRoZSByb3VnaCBzaGFwZS4gV2UgY291bGQgbWFrZSB0aGUgbGF0dGVyIEVYX1RZ UEVfS0FDQ0VTU19FUlJfWkVSTwo+IHRvIGJlIGNsZWFybHkgYW5hbG9nb3VzIHRvIEVYX1RZUEVf VUFDQ0VTU19FUlJfWkVSTywgYW5kIHdpdGggdGhhdCBJIHN1c2VwY3Qgd2UKPiBjb3VsZCByZW1v dmUgRVhfVFlQRV9GSVhVUC4KPiAKPiBUaGFua3MsCj4gTWFyay4KQWNjb3JkaW5nIHRvIHlvdXIg c3VnZ2VzdGlvbiwgaSB0aGluayB0aGUgZGVmaW5pdGlvbiBpcyBsaWtlIHRoaXM6CgojZGVmaW5l IEVYX1RZUEVfTk9ORSAgICAgICAgICAgICAgICAgICAgMAojZGVmaW5lIEVYX1RZUEVfRklYVVAg ICAgICAgICAgICAgICAgICAgMSAgICAtLT4gZGVsZXRlCiNkZWZpbmUgRVhfVFlQRV9CUEYgICAg ICAgICAgICAgICAgICAgICAyCiNkZWZpbmUgRVhfVFlQRV9VQUNDRVNTX0VSUl9aRVJPICAgICAg ICAzCiNkZWZpbmUgRVhfVFlQRV9MT0FEX1VOQUxJR05FRF9aRVJPUEFEICA0CiNkZWZpbmUgRVhf VFlQRV9VQUNDRVNTCQkgICAgICAgIHh4ICAgLS0+IGFkZAojZGVmaW5lIEVYX1RZUEVfS0FDQ0VT U19FUlJfWkVSTyAgICAgICAgeHggICAtLT4gYWRkCltUaGUgdmFsdWUgZGVmaW5lZCBieSB0aGUg bWFjcm8gaGVyZSBpcyB0ZW1wb3JhcnldCgpUaGVyZSBhcmUgdHdvIHBvaW50cyB0byBtb2RpZnk6 Cgox44CBX2dldF9rZXJuZWxfbm9mYXVsdCgpIGFuZCBfX3B1dF9rZXJuZWxfbm9mYXVsdCgpICB1 c2luZyAKRVhfVFlQRV9LQUNDRVNTX0VSUl9aRVJPLCBPdGhlciBwb3NpdGlvbnMgdXNpbmcgCkVY X1RZUEVfVUFDQ0VTU19FUlJfWkVSTyBrZWVwIHVuY2hhbmdlZC4KCjLjgIFkZWxldGUgRVhfVFlQ RV9GSVhVUC4KClRoZXJlIGlzIG5vIGRvdWJ0IGFib3V0IG90aGVycy4gQXMgZm9yIEVYX1RZUEVf RklYVVAsIEkgdGhpbmsgaXQgbmVlZHMgCnRvIGJlIHJldGFpbmVkLCBfY29uZF9leHRhYmxlKEVY X1RZUEVfRklYVVApIGlzIHN0aWxsIGluIHVzZSBpbiBhc3NlbWJsZXIuaC4KClRoYW5rcywKVG9u Zy4KCj4gLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K bGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZy YWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGlu dXgtYXJtLWtlcm5lbAo=