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 5DBF7C433F5 for ; Wed, 4 May 2022 17:27:57 +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-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=gmQ6d0FDt7M+enIu58uPes2i/MLvbVqIRkSI1j/kGt4=; b=kYNHIbLbuWp+Pf Jv1p7YhiG6oFk5zE7//2X+cyp2YITkpPtQ8/aviyqGkmbi4V65cABXda62iL6aNoP/STRKBZTykTC v8jFiX0rNi2Qlyfc/a+TZ9DqyR9Pot3Tt1a9ei7QGTaHnCKa7lCpGQ/HK53gXJ4IJQ8uwB0BwgTt3 l5Y1LkonFuBUq0MucAuQ5SIM8OeqCxbP2idFV75M1gXDuU544mb4zBhljlk6Km++KdBgKSCJEVkne uI/eTxU9RAKm8Lwz6+am6BKg0iRGSgSNm2i66mkiMWbNOjVkXvrZLkbN//ENXVdMwAMUkpIKGYpzS PRFkT4e0uM8h5bTEOgDQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nmIm9-00Bx31-Eh; Wed, 04 May 2022 17:26:57 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nmIm5-00Bx1z-Gt; Wed, 04 May 2022 17:26:55 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E7203B8279D; Wed, 4 May 2022 17:26:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13756C385A4; Wed, 4 May 2022 17:26:46 +0000 (UTC) Date: Wed, 4 May 2022 18:26:43 +0100 From: Catalin Marinas To: Tong Tiangen Cc: Anshuman Khandual , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Pasha Tatashin , Andrew Morton , Will Deacon , Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, Kefeng Wang , Guohanjun Subject: Re: [PATCH -next v6 5/6] arm64/mm: Enable ARCH_SUPPORTS_PAGE_TABLE_CHECK Message-ID: References: <20220426081036.1374452-1-tongtiangen@huawei.com> <20220426081036.1374452-6-tongtiangen@huawei.com> <80f6c347-db5d-8836-bc79-60c7b2a6eed8@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <80f6c347-db5d-8836-bc79-60c7b2a6eed8@huawei.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220504_102653_739968_5517BA59 X-CRM114-Status: GOOD ( 15.72 ) 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 T24gVHVlLCBNYXkgMDMsIDIwMjIgYXQgMDk6MTM6MjBBTSArMDgwMCwgVG9uZyBUaWFuZ2VuIHdy b3RlOgo+IOWcqCAyMDIyLzQvMjkgMTQ6MTgsIEFuc2h1bWFuIEtoYW5kdWFsIOWGmemBkzoKPiA+ IE9uIDQvMjYvMjIgMTM6NDAsIFRvbmcgVGlhbmdlbiB3cm90ZToKPiA+ID4gQEAgLTg4NCw3ICs5 MjgsMTEgQEAgc3RhdGljIGlubGluZSBwdGVfdCBwdGVwX2dldF9hbmRfY2xlYXIoc3RydWN0IG1t X3N0cnVjdCAqbW0sCj4gPiA+ICAgc3RhdGljIGlubGluZSBwbWRfdCBwbWRwX2h1Z2VfZ2V0X2Fu ZF9jbGVhcihzdHJ1Y3QgbW1fc3RydWN0ICptbSwKPiA+ID4gICAJCQkJCSAgICB1bnNpZ25lZCBs b25nIGFkZHJlc3MsIHBtZF90ICpwbWRwKQo+ID4gPiAgIHsKPiA+ID4gLQlyZXR1cm4gcHRlX3Bt ZChwdGVwX2dldF9hbmRfY2xlYXIobW0sIGFkZHJlc3MsIChwdGVfdCAqKXBtZHApKTsKPiA+ID4g KwlwbWRfdCBwbWQgPSBwdGVfcG1kKF9fcHRlKHhjaGdfcmVsYXhlZCgmcHRlX3ZhbCgqKHB0ZV90 ICopcG1kcCksIDApKSk7Cj4gPiAKPiA+IFdoeSB0aGVyZSBpcyBhbnkgY2hhbmdlIGhlcmUgPyBX aHkgbm90IGp1c3QgdGhlIGZvbGxvd2luZyBpbnN0ZWFkLCBsaWtlIHdoYXQgeW91IGRpZAo+ID4g aW4gcHRlcF9nZXRfYW5kX2NsZWFyKCkgYWJvdmUuIFRoZSBwYWdlIHRhYmxlIGVudHJ5IHJldHVy biB2YWx1ZSBoZXJlIGp1c3QgbmVlZHMgdG8KPiA+IGJlIHByZXNlcnZlZCBmb3Igc3Vic2VxdWVu dCBwYWdlIHRhYmxlIGNoZWNrIGhlbHBlcnMuCj4gPiAKPiA+IAlwbWRfdCBwbWQgPSBwdGVfcG1k KHB0ZXBfZ2V0X2FuZF9jbGVhcihtbSwgYWRkcmVzcywgKHB0ZV90ICopcG1kcCkpOwo+IAo+IFRo ZSBwdXJwb3NlIG9mIHdoYXQgSSBkbyBoZXJlIGlzIHRvIGF2b2lkIGRvaW5nIHBhZ2VfdGFibGVf Y2hlY2tfcHRlX2NsZWFyKCkKPiBpbiBwdGVwX2dldF9hbmRfY2xlYXIoKS4gdGhlcmUgaXMgbm8g ZnVuY3Rpb25hbCBjaGFuZ2UgaGVyZS4KCkknbSBmaW5lIHdpdGggdXNpbmcgeGNoZyBoZXJlIGJ1 dCBJJ2QgZ28gZm9yIHBtZF92YWwgZGlyZWN0bHksIG5vIG5lZWQKZm9yIGNvbnZlcnNpb24gdG8g cHRlX3Q6CgoJcG1kX3QgcG1kID0gX19wbWQoeGNoZ19yZWxheGVkKCZwbWRfdmFsKCpwbWRwKSwg MCkpOwoKLS0gCkNhdGFsaW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxA bGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK