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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE6A5C433F5 for ; Thu, 4 Nov 2021 12:16:27 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C140F61073 for ; Thu, 4 Nov 2021 12:16:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C140F61073 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Cn6+kiuKG58vY8edIDsIBJgLizBdHRwALtPywen5Zf0=; b=oyzhDFwOw69YDA pl9LEbD6nUC29EJK7xG5ZCbMi/NHphv4EYHpM22mNzJIL4bUfsGN28Ax1SZ/2/abuWHb2/5ApcEp8 +R7Cu26QtJYG9dmttO/P/9rB1eNO4YctJ/6W1ogL+CqUABEf604TkmFU/KFJYRd9LkoZKNt0Uezov 4QKgy2713llgMGfstDqbMs8xGclM1+VyegmqgxgkWD7kRmmWht3IuTUPToitDlUupVX3VKdlaDNDI bIO5s1QKAmtZa8gnXYfKztfdhQEE7Rz1PknTLVDcULwMSO5WTfzdC/OjWLcbTdqhVtVzt6XFxUKoM jCtpdJr78T1gdlV5vOfA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mibdy-008pcW-1u; Thu, 04 Nov 2021 12:14:58 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mibdr-008pQv-SL for linux-arm-kernel@lists.infradead.org; Thu, 04 Nov 2021 12:14:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=gLU9WggaZavg+6NyQ3hpyjOtksdpJ/TShOqK7GdkMw4=; b=Z0s4jwh7ri7f1H2RLWUNQfj9WV +L4ndFTUgnQrayPC5Dx38K+Vu4rja35u9z2PJ3BXQjnGUfpyTQ+GYNBQFBBPqB5eFcwEgToC3JjxF cd2QjXqPRWiEVf+2bcDdvFz5ycY4EkE036ibD7/ECOOBY4YyZdFQPHC3Cb4Eb1Tpkonl6m0CoLtsR APK1tOlluPOpCd355uSHhw2EQoCqhUJRWm5nfHCZgykoUjDq29AA0Xga6xQQ6930Ce6XM+ojz6nLn tFx6DJRO7PgnnGMSeMZRH7/L4/BF3+45HDc3+6ZkKuG4QB6v9sBZVKoImCOFp0zeaqUKltelE/rx8 GKMI9XsQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:55470) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mibbo-0005vP-O8; Thu, 04 Nov 2021 12:12:44 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1mibbl-0007Jg-Gu; Thu, 04 Nov 2021 12:12:41 +0000 Date: Thu, 4 Nov 2021 12:12:41 +0000 From: "Russell King (Oracle)" To: Kefeng Wang Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexander Potapenko , Marco Elver , Dmitry Vyukov Subject: Re: [PATCH v2 0/3] ARM: Support KFENCE feature Message-ID: References: <20211103133845.78528-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211103133845.78528-1-wangkefeng.wang@huawei.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211104_051451_949702_E816DDEC X-CRM114-Status: GOOD ( 15.17 ) 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org VGhlIEFSTSB0cmVlIGlzIGNsb3NlZDsgd2UncmUgaW4gdGhlIG1haW5saW5lIG1lcmdlIHdpbmRv dy4gUGxlYXNlCnJlc2VuZCBhZnRlciAtcmMxIGlzIHJlbGVhc2VkLgoKT24gV2VkLCBOb3YgMDMs IDIwMjEgYXQgMDk6Mzg6NDJQTSArMDgwMCwgS2VmZW5nIFdhbmcgd3JvdGU6Cj4gVGhpcyBwYXRj aHNldCBzdXBwb3J0cyBLZmVuY2UgZmVhdHVyZSwgdGVzdGVkIHRoZSBrZmVuY2VfdGVzdCBvbiBB Uk0gUUVNVQo+IHdpdGggb3Igd2l0aG91dCBBUk1fTFBBRSBhbmQgYWxsIHBhc3NlZC4KPiAKPiBW MjoKPiAtIGRyb3AgcGF0Y2g0IGluIHYxLCB3aGljaCBpcyB1c2VkIGEgbmV3IHdheSB0byBza2lw IGtmZW5jZSB0ZXN0Cj4gICBzZWUgY29tbWl0IGM0MGM2ZTU5M2JmOSAoImtmZW5jZTogdGVzdDog ZmFpbCBmYXN0IGlmIGRpc2FibGVkIGF0IGJvb3QiKQo+IC0gZml4IHNvbWUgaXNzdWUgYWJvdXQg Tk8gTU1VCj4gICAtIGRyb3AgdXNlbGVzcyBzZXRfbWVtb3J5X3ZhbGlkKCkgdW5kZXIgbm8gbW11 Cj4gICAtIGZpeCBpbXBsaWNpdCBkZWNsYXJhdGlvbiBvZiBmdW5jdGlvbiDigJhpc193cml0ZV9m YXVsdOKAmSBpZiBubyBtbXUKPiAtIG1ha2UgS0ZFTkNFIGRlcGVuZHMgb24gIVhJUF9LRVJORUws IG5vIHRlc3RlZCB3aXRoIHhpcAo+IAo+IHYxOgo+IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2xp bnV4LWFybS1rZXJuZWwvMjAyMTA4MjUwOTIxMTYuMTQ5OTc1LTEtd2FuZ2tlZmVuZy53YW5nQGh1 YXdlaS5jb20vCj4gCj4gS2VmZW5nIFdhbmcgKDMpOgo+ICAgQVJNOiBtbTogUHJvdmlkZSBzZXRf bWVtb3J5X3ZhbGlkKCkKPiAgIEFSTTogbW06IFByb3ZpZGUgaXNfd3JpdGVfZmF1bHQoKQo+ICAg QVJNOiBTdXBwb3J0IEtGRU5DRSBmb3IgQVJNCj4gCj4gIGFyY2gvYXJtL0tjb25maWcgICAgICAg ICAgICAgICAgICB8ICAxICsKPiAgYXJjaC9hcm0vaW5jbHVkZS9hc20va2ZlbmNlLmggICAgIHwg NTMgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwo+ICBhcmNoL2FybS9pbmNsdWRlL2Fz bS9zZXRfbWVtb3J5LmggfCAgMSArCj4gIGFyY2gvYXJtL21tL2ZhdWx0LmMgICAgICAgICAgICAg ICB8IDE2ICsrKysrKysrLS0KPiAgYXJjaC9hcm0vbW0vcGFnZWF0dHIuYyAgICAgICAgICAgIHwg NDIgKysrKysrKysrKysrKysrKysrLS0tLS0tCj4gIDUgZmlsZXMgY2hhbmdlZCwgMTAwIGluc2Vy dGlvbnMoKyksIDEzIGRlbGV0aW9ucygtKQo+ICBjcmVhdGUgbW9kZSAxMDA2NDQgYXJjaC9hcm0v aW5jbHVkZS9hc20va2ZlbmNlLmgKPiAKPiAtLSAKPiAyLjI2LjIKPiAKPiAKCi0tIApSTUsncyBQ YXRjaCBzeXN0ZW06IGh0dHBzOi8vd3d3LmFybWxpbnV4Lm9yZy51ay9kZXZlbG9wZXIvcGF0Y2hl cy8KRlRUUCBpcyBoZXJlISA0ME1icHMgZG93biAxME1icHMgdXAuIERlY2VudCBjb25uZWN0aXZp dHkgYXQgbGFzdCEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMu aW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2xpbnV4LWFybS1rZXJuZWwK