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 X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96F86C433E2 for ; Sat, 27 Jun 2020 08:17:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E3212088E for ; Sat, 27 Jun 2020 08:17:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726477AbgF0IRy (ORCPT ); Sat, 27 Jun 2020 04:17:54 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:46046 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725900AbgF0IRx (ORCPT ); Sat, 27 Jun 2020 04:17:53 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 49v67c3vRsz9tyVp; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id LVJHe2PffxRU; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 49v67c2nSlz9tyVn; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id ACB498B772; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id i_8AMg20BFyg; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C3F508B75B; Sat, 27 Jun 2020 10:17:47 +0200 (CEST) Subject: Re: [PATCH V3 0/4] mm/debug_vm_pgtable: Add some more tests To: Anshuman Khandual , linux-mm@kvack.org Cc: christophe.leroy@c-s.fr, ziy@nvidia.com, gerald.schaefer@de.ibm.com, Jonathan Corbet , Andrew Morton , Mike Rapoport , Vineet Gupta , Catalin Marinas , Will Deacon , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , "Kirill A . Shutemov" , Paul Walmsley , Palmer Dabbelt , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org References: <1592192277-8421-1-git-send-email-anshuman.khandual@arm.com> <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> From: Christophe Leroy Message-ID: <0ed75013-6ac4-3902-391a-1f7152510c6d@csgroup.eu> Date: Sat, 27 Jun 2020 10:17:27 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le 24/06/2020 à 05:13, Anshuman Khandual a écrit : > > > On 06/15/2020 09:07 AM, Anshuman Khandual wrote: >> This series adds some more arch page table helper validation tests which >> are related to core and advanced memory functions. This also creates a >> documentation, enlisting expected semantics for all page table helpers as >> suggested by Mike Rapoport previously (https://lkml.org/lkml/2020/1/30/40). >> >> There are many TRANSPARENT_HUGEPAGE and ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD >> ifdefs scattered across the test. But consolidating all the fallback stubs >> is not very straight forward because ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD is >> not explicitly dependent on ARCH_HAS_TRANSPARENT_HUGEPAGE. >> >> Tested on arm64, x86 platforms but only build tested on all other enabled >> platforms through ARCH_HAS_DEBUG_VM_PGTABLE i.e powerpc, arc, s390. The >> following failure on arm64 still exists which was mentioned previously. It >> will be fixed with the upcoming THP migration on arm64 enablement series. >> >> WARNING .... mm/debug_vm_pgtable.c:860 debug_vm_pgtable+0x940/0xa54 >> WARN_ON(!pmd_present(pmd_mkinvalid(pmd_mkhuge(pmd)))) >> >> This series is based on v5.8-rc1. >> >> Changes in V3: >> >> - Replaced HAVE_ARCH_SOFT_DIRTY with MEM_SOFT_DIRTY >> - Added HAVE_ARCH_HUGE_VMAP checks in pxx_huge_tests() per Gerald >> - Updated documentation for pmd_thp_tests() per Zi Yan >> - Replaced READ_ONCE() with huge_ptep_get() per Gerald >> - Added pte_mkhuge() and masking with PMD_MASK per Gerald >> - Replaced pte_same() with holding pfn check in pxx_swap_tests() >> - Added documentation for all (#ifdef #else #endif) per Gerald >> - Updated pmd_protnone_tests() per Gerald >> - Updated HugeTLB PTE creation in hugetlb_advanced_tests() per Gerald >> - Replaced [pmd|pud]_mknotpresent() with [pmd|pud]_mkinvalid() >> - Added has_transparent_hugepage() check for PMD and PUD tests >> - Added a patch which debug prints all individual tests being executed >> - Updated documentation for renamed [pmd|pud]_mkinvalid() helpers > > Hello Gerald/Christophe/Vineet, > > It would be really great if you could give this series a quick test > on s390/ppc/arc platforms respectively. Thank you. > Running ok on powerpc 8xx after fixing build failures. Christophe From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christophe Leroy Subject: Re: [PATCH V3 0/4] mm/debug_vm_pgtable: Add some more tests Date: Sat, 27 Jun 2020 10:17:27 +0200 Message-ID: <0ed75013-6ac4-3902-391a-1f7152510c6d@csgroup.eu> References: <1592192277-8421-1-git-send-email-anshuman.khandual@arm.com> <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> Content-Language: fr Sender: linux-doc-owner@vger.kernel.org To: Anshuman Khandual , linux-mm@kvack.org Cc: christophe.leroy@c-s.fr, ziy@nvidia.com, gerald.schaefer@de.ibm.com, Jonathan Corbet , Andrew Morton , Mike Rapoport , Vineet Gupta , Catalin Marinas , Will Deacon , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , "Kirill A . Shutemov" , Paul Walmsley List-Id: linux-arch.vger.kernel.org Le 24/06/2020 à 05:13, Anshuman Khandual a écrit : > > > On 06/15/2020 09:07 AM, Anshuman Khandual wrote: >> This series adds some more arch page table helper validation tests which >> are related to core and advanced memory functions. This also creates a >> documentation, enlisting expected semantics for all page table helpers as >> suggested by Mike Rapoport previously (https://lkml.org/lkml/2020/1/30/40). >> >> There are many TRANSPARENT_HUGEPAGE and ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD >> ifdefs scattered across the test. But consolidating all the fallback stubs >> is not very straight forward because ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD is >> not explicitly dependent on ARCH_HAS_TRANSPARENT_HUGEPAGE. >> >> Tested on arm64, x86 platforms but only build tested on all other enabled >> platforms through ARCH_HAS_DEBUG_VM_PGTABLE i.e powerpc, arc, s390. The >> following failure on arm64 still exists which was mentioned previously. It >> will be fixed with the upcoming THP migration on arm64 enablement series. >> >> WARNING .... mm/debug_vm_pgtable.c:860 debug_vm_pgtable+0x940/0xa54 >> WARN_ON(!pmd_present(pmd_mkinvalid(pmd_mkhuge(pmd)))) >> >> This series is based on v5.8-rc1. >> >> Changes in V3: >> >> - Replaced HAVE_ARCH_SOFT_DIRTY with MEM_SOFT_DIRTY >> - Added HAVE_ARCH_HUGE_VMAP checks in pxx_huge_tests() per Gerald >> - Updated documentation for pmd_thp_tests() per Zi Yan >> - Replaced READ_ONCE() with huge_ptep_get() per Gerald >> - Added pte_mkhuge() and masking with PMD_MASK per Gerald >> - Replaced pte_same() with holding pfn check in pxx_swap_tests() >> - Added documentation for all (#ifdef #else #endif) per Gerald >> - Updated pmd_protnone_tests() per Gerald >> - Updated HugeTLB PTE creation in hugetlb_advanced_tests() per Gerald >> - Replaced [pmd|pud]_mknotpresent() with [pmd|pud]_mkinvalid() >> - Added has_transparent_hugepage() check for PMD and PUD tests >> - Added a patch which debug prints all individual tests being executed >> - Updated documentation for renamed [pmd|pud]_mkinvalid() helpers > > Hello Gerald/Christophe/Vineet, > > It would be really great if you could give this series a quick test > on s390/ppc/arc platforms respectively. Thank you. > Running ok on powerpc 8xx after fixing build failures. Christophe 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 X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4CB9C433DF for ; Sat, 27 Jun 2020 08:18:03 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 965E42080C for ; Sat, 27 Jun 2020 08:18:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="IeErFN+J" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 965E42080C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csgroup.eu Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2xoepbqGEJM5CtbXUR6irkkPdMRScc4i0WPv3cexHGc=; b=IeErFN+JVMQNTxq9pUZPv6uMA 4RyLXZSMo8m3a4yWuU6Tt6TlYcA7NaTcswD/dc8PtLuvTBNxgO9VWRiy5dWrf9Fg9qifwsWC/3C9T KnLG9izypseP0bnh9eSjiEl98hi9IhjnPjthDJNe9GqYmNmGRpQjjN2vXMS0qAje0iOR+5sIcMW92 Rko3q+0jRw4Qx2HwZwiT4jriL2/l1ACkhmp0/qowmqXxmuR4atN2mgcj3R03O7/fXECmBS31NHhVm fzZP/QPjjj1hFeR3IzDSFRasaENuuke4xq7QEgKubegVpD8kX3L/p/wlqYd8ZRHxWiQeBvKlO3R/v G2aCK2jbg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jp62B-0006sf-NC; Sat, 27 Jun 2020 08:17:59 +0000 Received: from pegase1.c-s.fr ([93.17.236.30]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jp626-0006rY-9N; Sat, 27 Jun 2020 08:17:55 +0000 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 49v67c3vRsz9tyVp; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id LVJHe2PffxRU; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 49v67c2nSlz9tyVn; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id ACB498B772; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id i_8AMg20BFyg; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C3F508B75B; Sat, 27 Jun 2020 10:17:47 +0200 (CEST) Subject: Re: [PATCH V3 0/4] mm/debug_vm_pgtable: Add some more tests To: Anshuman Khandual , linux-mm@kvack.org References: <1592192277-8421-1-git-send-email-anshuman.khandual@arm.com> <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> From: Christophe Leroy Message-ID: <0ed75013-6ac4-3902-391a-1f7152510c6d@csgroup.eu> Date: Sat, 27 Jun 2020 10:17:27 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> Content-Language: fr X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Benjamin Herrenschmidt , Heiko Carstens , Paul Mackerras , "H. Peter Anvin" , linux-riscv@lists.infradead.org, Will Deacon , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Jonathan Corbet , Michael Ellerman , x86@kernel.org, Mike Rapoport , Christian Borntraeger , Ingo Molnar , linux-arm-kernel@lists.infradead.org, ziy@nvidia.com, Catalin Marinas , linux-snps-arc@lists.infradead.org, Vasily Gorbik , Borislav Petkov , Paul Walmsley , "Kirill A . Shutemov" , Thomas Gleixner , gerald.schaefer@de.ibm.com, christophe.leroy@c-s.fr, Vineet Gupta , linux-kernel@vger.kernel.org, Palmer Dabbelt , Andrew Morton , linuxppc-dev@lists.ozlabs.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org CgpMZSAyNC8wNi8yMDIwIMOgIDA1OjEzLCBBbnNodW1hbiBLaGFuZHVhbCBhIMOpY3JpdMKgOgo+ IAo+IAo+IE9uIDA2LzE1LzIwMjAgMDk6MDcgQU0sIEFuc2h1bWFuIEtoYW5kdWFsIHdyb3RlOgo+ PiBUaGlzIHNlcmllcyBhZGRzIHNvbWUgbW9yZSBhcmNoIHBhZ2UgdGFibGUgaGVscGVyIHZhbGlk YXRpb24gdGVzdHMgd2hpY2gKPj4gYXJlIHJlbGF0ZWQgdG8gY29yZSBhbmQgYWR2YW5jZWQgbWVt b3J5IGZ1bmN0aW9ucy4gVGhpcyBhbHNvIGNyZWF0ZXMgYQo+PiBkb2N1bWVudGF0aW9uLCBlbmxp c3RpbmcgZXhwZWN0ZWQgc2VtYW50aWNzIGZvciBhbGwgcGFnZSB0YWJsZSBoZWxwZXJzIGFzCj4+ IHN1Z2dlc3RlZCBieSBNaWtlIFJhcG9wb3J0IHByZXZpb3VzbHkgKGh0dHBzOi8vbGttbC5vcmcv bGttbC8yMDIwLzEvMzAvNDApLgo+Pgo+PiBUaGVyZSBhcmUgbWFueSBUUkFOU1BBUkVOVF9IVUdF UEFHRSBhbmQgQVJDSF9IQVNfVFJBTlNQQVJFTlRfSFVHRVBBR0VfUFVECj4+IGlmZGVmcyBzY2F0 dGVyZWQgYWNyb3NzIHRoZSB0ZXN0LiBCdXQgY29uc29saWRhdGluZyBhbGwgdGhlIGZhbGxiYWNr IHN0dWJzCj4+IGlzIG5vdCB2ZXJ5IHN0cmFpZ2h0IGZvcndhcmQgYmVjYXVzZSBBUkNIX0hBU19U UkFOU1BBUkVOVF9IVUdFUEFHRV9QVUQgaXMKPj4gbm90IGV4cGxpY2l0bHkgZGVwZW5kZW50IG9u IEFSQ0hfSEFTX1RSQU5TUEFSRU5UX0hVR0VQQUdFLgo+Pgo+PiBUZXN0ZWQgb24gYXJtNjQsIHg4 NiBwbGF0Zm9ybXMgYnV0IG9ubHkgYnVpbGQgdGVzdGVkIG9uIGFsbCBvdGhlciBlbmFibGVkCj4+ IHBsYXRmb3JtcyB0aHJvdWdoIEFSQ0hfSEFTX0RFQlVHX1ZNX1BHVEFCTEUgaS5lIHBvd2VycGMs IGFyYywgczM5MC4gVGhlCj4+IGZvbGxvd2luZyBmYWlsdXJlIG9uIGFybTY0IHN0aWxsIGV4aXN0 cyB3aGljaCB3YXMgbWVudGlvbmVkIHByZXZpb3VzbHkuIEl0Cj4+IHdpbGwgYmUgZml4ZWQgd2l0 aCB0aGUgdXBjb21pbmcgVEhQIG1pZ3JhdGlvbiBvbiBhcm02NCBlbmFibGVtZW50IHNlcmllcy4K Pj4KPj4gV0FSTklORyAuLi4uIG1tL2RlYnVnX3ZtX3BndGFibGUuYzo4NjAgZGVidWdfdm1fcGd0 YWJsZSsweDk0MC8weGE1NAo+PiBXQVJOX09OKCFwbWRfcHJlc2VudChwbWRfbWtpbnZhbGlkKHBt ZF9ta2h1Z2UocG1kKSkpKQo+Pgo+PiBUaGlzIHNlcmllcyBpcyBiYXNlZCBvbiB2NS44LXJjMS4K Pj4KPj4gQ2hhbmdlcyBpbiBWMzoKPj4KPj4gLSBSZXBsYWNlZCBIQVZFX0FSQ0hfU09GVF9ESVJU WSB3aXRoIE1FTV9TT0ZUX0RJUlRZCj4+IC0gQWRkZWQgSEFWRV9BUkNIX0hVR0VfVk1BUCBjaGVj a3MgaW4gcHh4X2h1Z2VfdGVzdHMoKSBwZXIgR2VyYWxkCj4+IC0gVXBkYXRlZCBkb2N1bWVudGF0 aW9uIGZvciBwbWRfdGhwX3Rlc3RzKCkgcGVyIFppIFlhbgo+PiAtIFJlcGxhY2VkIFJFQURfT05D RSgpIHdpdGggaHVnZV9wdGVwX2dldCgpIHBlciBHZXJhbGQKPj4gLSBBZGRlZCBwdGVfbWtodWdl KCkgYW5kIG1hc2tpbmcgd2l0aCBQTURfTUFTSyBwZXIgR2VyYWxkCj4+IC0gUmVwbGFjZWQgcHRl X3NhbWUoKSB3aXRoIGhvbGRpbmcgcGZuIGNoZWNrIGluIHB4eF9zd2FwX3Rlc3RzKCkKPj4gLSBB ZGRlZCBkb2N1bWVudGF0aW9uIGZvciBhbGwgKCNpZmRlZiAjZWxzZSAjZW5kaWYpIHBlciBHZXJh bGQKPj4gLSBVcGRhdGVkIHBtZF9wcm90bm9uZV90ZXN0cygpIHBlciBHZXJhbGQKPj4gLSBVcGRh dGVkIEh1Z2VUTEIgUFRFIGNyZWF0aW9uIGluIGh1Z2V0bGJfYWR2YW5jZWRfdGVzdHMoKSBwZXIg R2VyYWxkCj4+IC0gUmVwbGFjZWQgW3BtZHxwdWRdX21rbm90cHJlc2VudCgpIHdpdGggW3BtZHxw dWRdX21raW52YWxpZCgpCj4+IC0gQWRkZWQgaGFzX3RyYW5zcGFyZW50X2h1Z2VwYWdlKCkgY2hl Y2sgZm9yIFBNRCBhbmQgUFVEIHRlc3RzCj4+IC0gQWRkZWQgYSBwYXRjaCB3aGljaCBkZWJ1ZyBw cmludHMgYWxsIGluZGl2aWR1YWwgdGVzdHMgYmVpbmcgZXhlY3V0ZWQKPj4gLSBVcGRhdGVkIGRv Y3VtZW50YXRpb24gZm9yIHJlbmFtZWQgW3BtZHxwdWRdX21raW52YWxpZCgpIGhlbHBlcnMKPiAK PiBIZWxsbyBHZXJhbGQvQ2hyaXN0b3BoZS9WaW5lZXQsCj4gCj4gSXQgd291bGQgYmUgcmVhbGx5 IGdyZWF0IGlmIHlvdSBjb3VsZCBnaXZlIHRoaXMgc2VyaWVzIGEgcXVpY2sgdGVzdAo+IG9uIHMz OTAvcHBjL2FyYyBwbGF0Zm9ybXMgcmVzcGVjdGl2ZWx5LiBUaGFuayB5b3UuCj4gCgpSdW5uaW5n IG9rIG9uIHBvd2VycGMgOHh4IGFmdGVyIGZpeGluZyBidWlsZCBmYWlsdXJlcy4KCkNocmlzdG9w aGUKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4 LXJpc2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6 Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK 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 X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A420C433E0 for ; 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dmarc=none (p=none dis=none) header.from=csgroup.eu Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49v67m6T9rzDqM3 for ; Sat, 27 Jun 2020 18:17:52 +1000 (AEST) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 49v67c3vRsz9tyVp; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id LVJHe2PffxRU; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 49v67c2nSlz9tyVn; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id ACB498B772; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id i_8AMg20BFyg; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C3F508B75B; Sat, 27 Jun 2020 10:17:47 +0200 (CEST) Subject: Re: [PATCH V3 0/4] mm/debug_vm_pgtable: Add some more tests To: Anshuman Khandual , linux-mm@kvack.org References: <1592192277-8421-1-git-send-email-anshuman.khandual@arm.com> <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> From: Christophe Leroy Message-ID: <0ed75013-6ac4-3902-391a-1f7152510c6d@csgroup.eu> Date: Sat, 27 Jun 2020 10:17:27 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Heiko Carstens , Paul Mackerras , "H. Peter Anvin" , linux-riscv@lists.infradead.org, Will Deacon , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Jonathan Corbet , x86@kernel.org, Mike Rapoport , Christian Borntraeger , Ingo Molnar , linux-arm-kernel@lists.infradead.org, ziy@nvidia.com, Catalin Marinas , linux-snps-arc@lists.infradead.org, Vasily Gorbik , Borislav Petkov , Paul Walmsley , "Kirill A . Shutemov" , Thomas Gleixner , gerald.schaefer@de.ibm.com, christophe.leroy@c-s.fr, Vineet Gupta , linux-kernel@vger.kernel.org, Palmer Dabbelt , Andrew Morton , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Le 24/06/2020 à 05:13, Anshuman Khandual a écrit : > > > On 06/15/2020 09:07 AM, Anshuman Khandual wrote: >> This series adds some more arch page table helper validation tests which >> are related to core and advanced memory functions. This also creates a >> documentation, enlisting expected semantics for all page table helpers as >> suggested by Mike Rapoport previously (https://lkml.org/lkml/2020/1/30/40). >> >> There are many TRANSPARENT_HUGEPAGE and ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD >> ifdefs scattered across the test. But consolidating all the fallback stubs >> is not very straight forward because ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD is >> not explicitly dependent on ARCH_HAS_TRANSPARENT_HUGEPAGE. >> >> Tested on arm64, x86 platforms but only build tested on all other enabled >> platforms through ARCH_HAS_DEBUG_VM_PGTABLE i.e powerpc, arc, s390. The >> following failure on arm64 still exists which was mentioned previously. It >> will be fixed with the upcoming THP migration on arm64 enablement series. >> >> WARNING .... mm/debug_vm_pgtable.c:860 debug_vm_pgtable+0x940/0xa54 >> WARN_ON(!pmd_present(pmd_mkinvalid(pmd_mkhuge(pmd)))) >> >> This series is based on v5.8-rc1. >> >> Changes in V3: >> >> - Replaced HAVE_ARCH_SOFT_DIRTY with MEM_SOFT_DIRTY >> - Added HAVE_ARCH_HUGE_VMAP checks in pxx_huge_tests() per Gerald >> - Updated documentation for pmd_thp_tests() per Zi Yan >> - Replaced READ_ONCE() with huge_ptep_get() per Gerald >> - Added pte_mkhuge() and masking with PMD_MASK per Gerald >> - Replaced pte_same() with holding pfn check in pxx_swap_tests() >> - Added documentation for all (#ifdef #else #endif) per Gerald >> - Updated pmd_protnone_tests() per Gerald >> - Updated HugeTLB PTE creation in hugetlb_advanced_tests() per Gerald >> - Replaced [pmd|pud]_mknotpresent() with [pmd|pud]_mkinvalid() >> - Added has_transparent_hugepage() check for PMD and PUD tests >> - Added a patch which debug prints all individual tests being executed >> - Updated documentation for renamed [pmd|pud]_mkinvalid() helpers > > Hello Gerald/Christophe/Vineet, > > It would be really great if you could give this series a quick test > on s390/ppc/arc platforms respectively. Thank you. > Running ok on powerpc 8xx after fixing build failures. Christophe 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 X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F377C433DF for ; Sat, 27 Jun 2020 08:18:01 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 4D7CC2080C for ; Sat, 27 Jun 2020 08:18:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="l81aKgBD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4D7CC2080C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csgroup.eu Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=r2zlkGn0rtlWgEJGQCaYGFzz2lgloU+SvrYWArlTcsU=; b=l81aKgBDewL1kAMxYjVE0cbTJ b3IXwyeVgoBiJNoEGboGSn2fEXaUwyHGcAAduJuOo0TML59LQp42blReTuSMQiWYralPEMii29SP6 /dAjmXdAOlVsgeaZXhuJ/38NImySA2Fym9h8WmBTwMTe86JjkX/sVysXl6qFXmBNLh6NSUMm9ul+I oZQqBZ55aWImksvcsbCyGIjjfvil3D5DUR42UbRIoMgEkcvxRZ5KygsM/bVTRnz2ckwUUoKAhfi6q 1SY+nM+OdLAnfE7K3OMEInw3dLtVfo9axBl3hdrU9dUxoxutbUEvTPOm0S+ewqJ313+C7VD9NEGTx 4fcClDQig==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jp62C-0006sr-Du; Sat, 27 Jun 2020 08:18:00 +0000 Received: from pegase1.c-s.fr ([93.17.236.30]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jp626-0006rY-9N; Sat, 27 Jun 2020 08:17:55 +0000 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 49v67c3vRsz9tyVp; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id LVJHe2PffxRU; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 49v67c2nSlz9tyVn; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id ACB498B772; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id i_8AMg20BFyg; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C3F508B75B; Sat, 27 Jun 2020 10:17:47 +0200 (CEST) Subject: Re: [PATCH V3 0/4] mm/debug_vm_pgtable: Add some more tests To: Anshuman Khandual , linux-mm@kvack.org References: <1592192277-8421-1-git-send-email-anshuman.khandual@arm.com> <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> From: Christophe Leroy Message-ID: <0ed75013-6ac4-3902-391a-1f7152510c6d@csgroup.eu> Date: Sat, 27 Jun 2020 10:17:27 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> Content-Language: fr X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Benjamin Herrenschmidt , Heiko Carstens , Paul Mackerras , "H. Peter Anvin" , linux-riscv@lists.infradead.org, Will Deacon , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Jonathan Corbet , Michael Ellerman , x86@kernel.org, Mike Rapoport , Christian Borntraeger , Ingo Molnar , linux-arm-kernel@lists.infradead.org, ziy@nvidia.com, Catalin Marinas , linux-snps-arc@lists.infradead.org, Vasily Gorbik , Borislav Petkov , Paul Walmsley , "Kirill A . Shutemov" , Thomas Gleixner , gerald.schaefer@de.ibm.com, christophe.leroy@c-s.fr, Vineet Gupta , linux-kernel@vger.kernel.org, Palmer Dabbelt , Andrew Morton , linuxppc-dev@lists.ozlabs.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org CgpMZSAyNC8wNi8yMDIwIMOgIDA1OjEzLCBBbnNodW1hbiBLaGFuZHVhbCBhIMOpY3JpdMKgOgo+ IAo+IAo+IE9uIDA2LzE1LzIwMjAgMDk6MDcgQU0sIEFuc2h1bWFuIEtoYW5kdWFsIHdyb3RlOgo+ PiBUaGlzIHNlcmllcyBhZGRzIHNvbWUgbW9yZSBhcmNoIHBhZ2UgdGFibGUgaGVscGVyIHZhbGlk YXRpb24gdGVzdHMgd2hpY2gKPj4gYXJlIHJlbGF0ZWQgdG8gY29yZSBhbmQgYWR2YW5jZWQgbWVt b3J5IGZ1bmN0aW9ucy4gVGhpcyBhbHNvIGNyZWF0ZXMgYQo+PiBkb2N1bWVudGF0aW9uLCBlbmxp c3RpbmcgZXhwZWN0ZWQgc2VtYW50aWNzIGZvciBhbGwgcGFnZSB0YWJsZSBoZWxwZXJzIGFzCj4+ IHN1Z2dlc3RlZCBieSBNaWtlIFJhcG9wb3J0IHByZXZpb3VzbHkgKGh0dHBzOi8vbGttbC5vcmcv bGttbC8yMDIwLzEvMzAvNDApLgo+Pgo+PiBUaGVyZSBhcmUgbWFueSBUUkFOU1BBUkVOVF9IVUdF UEFHRSBhbmQgQVJDSF9IQVNfVFJBTlNQQVJFTlRfSFVHRVBBR0VfUFVECj4+IGlmZGVmcyBzY2F0 dGVyZWQgYWNyb3NzIHRoZSB0ZXN0LiBCdXQgY29uc29saWRhdGluZyBhbGwgdGhlIGZhbGxiYWNr IHN0dWJzCj4+IGlzIG5vdCB2ZXJ5IHN0cmFpZ2h0IGZvcndhcmQgYmVjYXVzZSBBUkNIX0hBU19U UkFOU1BBUkVOVF9IVUdFUEFHRV9QVUQgaXMKPj4gbm90IGV4cGxpY2l0bHkgZGVwZW5kZW50IG9u IEFSQ0hfSEFTX1RSQU5TUEFSRU5UX0hVR0VQQUdFLgo+Pgo+PiBUZXN0ZWQgb24gYXJtNjQsIHg4 NiBwbGF0Zm9ybXMgYnV0IG9ubHkgYnVpbGQgdGVzdGVkIG9uIGFsbCBvdGhlciBlbmFibGVkCj4+ IHBsYXRmb3JtcyB0aHJvdWdoIEFSQ0hfSEFTX0RFQlVHX1ZNX1BHVEFCTEUgaS5lIHBvd2VycGMs IGFyYywgczM5MC4gVGhlCj4+IGZvbGxvd2luZyBmYWlsdXJlIG9uIGFybTY0IHN0aWxsIGV4aXN0 cyB3aGljaCB3YXMgbWVudGlvbmVkIHByZXZpb3VzbHkuIEl0Cj4+IHdpbGwgYmUgZml4ZWQgd2l0 aCB0aGUgdXBjb21pbmcgVEhQIG1pZ3JhdGlvbiBvbiBhcm02NCBlbmFibGVtZW50IHNlcmllcy4K Pj4KPj4gV0FSTklORyAuLi4uIG1tL2RlYnVnX3ZtX3BndGFibGUuYzo4NjAgZGVidWdfdm1fcGd0 YWJsZSsweDk0MC8weGE1NAo+PiBXQVJOX09OKCFwbWRfcHJlc2VudChwbWRfbWtpbnZhbGlkKHBt ZF9ta2h1Z2UocG1kKSkpKQo+Pgo+PiBUaGlzIHNlcmllcyBpcyBiYXNlZCBvbiB2NS44LXJjMS4K Pj4KPj4gQ2hhbmdlcyBpbiBWMzoKPj4KPj4gLSBSZXBsYWNlZCBIQVZFX0FSQ0hfU09GVF9ESVJU WSB3aXRoIE1FTV9TT0ZUX0RJUlRZCj4+IC0gQWRkZWQgSEFWRV9BUkNIX0hVR0VfVk1BUCBjaGVj a3MgaW4gcHh4X2h1Z2VfdGVzdHMoKSBwZXIgR2VyYWxkCj4+IC0gVXBkYXRlZCBkb2N1bWVudGF0 aW9uIGZvciBwbWRfdGhwX3Rlc3RzKCkgcGVyIFppIFlhbgo+PiAtIFJlcGxhY2VkIFJFQURfT05D RSgpIHdpdGggaHVnZV9wdGVwX2dldCgpIHBlciBHZXJhbGQKPj4gLSBBZGRlZCBwdGVfbWtodWdl KCkgYW5kIG1hc2tpbmcgd2l0aCBQTURfTUFTSyBwZXIgR2VyYWxkCj4+IC0gUmVwbGFjZWQgcHRl X3NhbWUoKSB3aXRoIGhvbGRpbmcgcGZuIGNoZWNrIGluIHB4eF9zd2FwX3Rlc3RzKCkKPj4gLSBB ZGRlZCBkb2N1bWVudGF0aW9uIGZvciBhbGwgKCNpZmRlZiAjZWxzZSAjZW5kaWYpIHBlciBHZXJh bGQKPj4gLSBVcGRhdGVkIHBtZF9wcm90bm9uZV90ZXN0cygpIHBlciBHZXJhbGQKPj4gLSBVcGRh dGVkIEh1Z2VUTEIgUFRFIGNyZWF0aW9uIGluIGh1Z2V0bGJfYWR2YW5jZWRfdGVzdHMoKSBwZXIg R2VyYWxkCj4+IC0gUmVwbGFjZWQgW3BtZHxwdWRdX21rbm90cHJlc2VudCgpIHdpdGggW3BtZHxw dWRdX21raW52YWxpZCgpCj4+IC0gQWRkZWQgaGFzX3RyYW5zcGFyZW50X2h1Z2VwYWdlKCkgY2hl Y2sgZm9yIFBNRCBhbmQgUFVEIHRlc3RzCj4+IC0gQWRkZWQgYSBwYXRjaCB3aGljaCBkZWJ1ZyBw cmludHMgYWxsIGluZGl2aWR1YWwgdGVzdHMgYmVpbmcgZXhlY3V0ZWQKPj4gLSBVcGRhdGVkIGRv Y3VtZW50YXRpb24gZm9yIHJlbmFtZWQgW3BtZHxwdWRdX21raW52YWxpZCgpIGhlbHBlcnMKPiAK PiBIZWxsbyBHZXJhbGQvQ2hyaXN0b3BoZS9WaW5lZXQsCj4gCj4gSXQgd291bGQgYmUgcmVhbGx5 IGdyZWF0IGlmIHlvdSBjb3VsZCBnaXZlIHRoaXMgc2VyaWVzIGEgcXVpY2sgdGVzdAo+IG9uIHMz OTAvcHBjL2FyYyBwbGF0Zm9ybXMgcmVzcGVjdGl2ZWx5LiBUaGFuayB5b3UuCj4gCgpSdW5uaW5n IG9rIG9uIHBvd2VycGMgOHh4IGFmdGVyIGZpeGluZyBidWlsZCBmYWlsdXJlcy4KCkNocmlzdG9w aGUKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4 LXNucHMtYXJjIG1haWxpbmcgbGlzdApsaW51eC1zbnBzLWFyY0BsaXN0cy5pbmZyYWRlYWQub3Jn Cmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtc25wcy1h cmMK 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 X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2894C433E0 for ; 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Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 49v67c2nSlz9tyVn; Sat, 27 Jun 2020 10:17:48 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id ACB498B772; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id i_8AMg20BFyg; Sat, 27 Jun 2020 10:17:49 +0200 (CEST) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C3F508B75B; Sat, 27 Jun 2020 10:17:47 +0200 (CEST) Subject: Re: [PATCH V3 0/4] mm/debug_vm_pgtable: Add some more tests To: Anshuman Khandual , linux-mm@kvack.org References: <1592192277-8421-1-git-send-email-anshuman.khandual@arm.com> <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> From: Christophe Leroy Message-ID: <0ed75013-6ac4-3902-391a-1f7152510c6d@csgroup.eu> Date: Sat, 27 Jun 2020 10:17:27 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> Content-Language: fr X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, Benjamin Herrenschmidt , Heiko Carstens , Paul Mackerras , "H. Peter Anvin" , linux-riscv@lists.infradead.org, Will Deacon , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Jonathan Corbet , Michael Ellerman , x86@kernel.org, Mike Rapoport , Christian Borntraeger , Ingo Molnar , linux-arm-kernel@lists.infradead.org, ziy@nvidia.com, Catalin Marinas , linux-snps-arc@lists.infradead.org, Vasily Gorbik , Borislav Petkov , Paul Walmsley , "Kirill A . Shutemov" , Thomas Gleixner , gerald.schaefer@de.ibm.com, christophe.leroy@c-s.fr, Vineet Gupta , linux-kernel@vger.kernel.org, Palmer Dabbelt , Andrew Morton , linuxppc-dev@lists.ozlabs.org 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 CgpMZSAyNC8wNi8yMDIwIMOgIDA1OjEzLCBBbnNodW1hbiBLaGFuZHVhbCBhIMOpY3JpdMKgOgo+ IAo+IAo+IE9uIDA2LzE1LzIwMjAgMDk6MDcgQU0sIEFuc2h1bWFuIEtoYW5kdWFsIHdyb3RlOgo+ PiBUaGlzIHNlcmllcyBhZGRzIHNvbWUgbW9yZSBhcmNoIHBhZ2UgdGFibGUgaGVscGVyIHZhbGlk YXRpb24gdGVzdHMgd2hpY2gKPj4gYXJlIHJlbGF0ZWQgdG8gY29yZSBhbmQgYWR2YW5jZWQgbWVt b3J5IGZ1bmN0aW9ucy4gVGhpcyBhbHNvIGNyZWF0ZXMgYQo+PiBkb2N1bWVudGF0aW9uLCBlbmxp c3RpbmcgZXhwZWN0ZWQgc2VtYW50aWNzIGZvciBhbGwgcGFnZSB0YWJsZSBoZWxwZXJzIGFzCj4+ IHN1Z2dlc3RlZCBieSBNaWtlIFJhcG9wb3J0IHByZXZpb3VzbHkgKGh0dHBzOi8vbGttbC5vcmcv bGttbC8yMDIwLzEvMzAvNDApLgo+Pgo+PiBUaGVyZSBhcmUgbWFueSBUUkFOU1BBUkVOVF9IVUdF UEFHRSBhbmQgQVJDSF9IQVNfVFJBTlNQQVJFTlRfSFVHRVBBR0VfUFVECj4+IGlmZGVmcyBzY2F0 dGVyZWQgYWNyb3NzIHRoZSB0ZXN0LiBCdXQgY29uc29saWRhdGluZyBhbGwgdGhlIGZhbGxiYWNr IHN0dWJzCj4+IGlzIG5vdCB2ZXJ5IHN0cmFpZ2h0IGZvcndhcmQgYmVjYXVzZSBBUkNIX0hBU19U UkFOU1BBUkVOVF9IVUdFUEFHRV9QVUQgaXMKPj4gbm90IGV4cGxpY2l0bHkgZGVwZW5kZW50IG9u IEFSQ0hfSEFTX1RSQU5TUEFSRU5UX0hVR0VQQUdFLgo+Pgo+PiBUZXN0ZWQgb24gYXJtNjQsIHg4 NiBwbGF0Zm9ybXMgYnV0IG9ubHkgYnVpbGQgdGVzdGVkIG9uIGFsbCBvdGhlciBlbmFibGVkCj4+ IHBsYXRmb3JtcyB0aHJvdWdoIEFSQ0hfSEFTX0RFQlVHX1ZNX1BHVEFCTEUgaS5lIHBvd2VycGMs IGFyYywgczM5MC4gVGhlCj4+IGZvbGxvd2luZyBmYWlsdXJlIG9uIGFybTY0IHN0aWxsIGV4aXN0 cyB3aGljaCB3YXMgbWVudGlvbmVkIHByZXZpb3VzbHkuIEl0Cj4+IHdpbGwgYmUgZml4ZWQgd2l0 aCB0aGUgdXBjb21pbmcgVEhQIG1pZ3JhdGlvbiBvbiBhcm02NCBlbmFibGVtZW50IHNlcmllcy4K Pj4KPj4gV0FSTklORyAuLi4uIG1tL2RlYnVnX3ZtX3BndGFibGUuYzo4NjAgZGVidWdfdm1fcGd0 YWJsZSsweDk0MC8weGE1NAo+PiBXQVJOX09OKCFwbWRfcHJlc2VudChwbWRfbWtpbnZhbGlkKHBt ZF9ta2h1Z2UocG1kKSkpKQo+Pgo+PiBUaGlzIHNlcmllcyBpcyBiYXNlZCBvbiB2NS44LXJjMS4K Pj4KPj4gQ2hhbmdlcyBpbiBWMzoKPj4KPj4gLSBSZXBsYWNlZCBIQVZFX0FSQ0hfU09GVF9ESVJU WSB3aXRoIE1FTV9TT0ZUX0RJUlRZCj4+IC0gQWRkZWQgSEFWRV9BUkNIX0hVR0VfVk1BUCBjaGVj a3MgaW4gcHh4X2h1Z2VfdGVzdHMoKSBwZXIgR2VyYWxkCj4+IC0gVXBkYXRlZCBkb2N1bWVudGF0 aW9uIGZvciBwbWRfdGhwX3Rlc3RzKCkgcGVyIFppIFlhbgo+PiAtIFJlcGxhY2VkIFJFQURfT05D RSgpIHdpdGggaHVnZV9wdGVwX2dldCgpIHBlciBHZXJhbGQKPj4gLSBBZGRlZCBwdGVfbWtodWdl KCkgYW5kIG1hc2tpbmcgd2l0aCBQTURfTUFTSyBwZXIgR2VyYWxkCj4+IC0gUmVwbGFjZWQgcHRl X3NhbWUoKSB3aXRoIGhvbGRpbmcgcGZuIGNoZWNrIGluIHB4eF9zd2FwX3Rlc3RzKCkKPj4gLSBB ZGRlZCBkb2N1bWVudGF0aW9uIGZvciBhbGwgKCNpZmRlZiAjZWxzZSAjZW5kaWYpIHBlciBHZXJh bGQKPj4gLSBVcGRhdGVkIHBtZF9wcm90bm9uZV90ZXN0cygpIHBlciBHZXJhbGQKPj4gLSBVcGRh dGVkIEh1Z2VUTEIgUFRFIGNyZWF0aW9uIGluIGh1Z2V0bGJfYWR2YW5jZWRfdGVzdHMoKSBwZXIg R2VyYWxkCj4+IC0gUmVwbGFjZWQgW3BtZHxwdWRdX21rbm90cHJlc2VudCgpIHdpdGggW3BtZHxw dWRdX21raW52YWxpZCgpCj4+IC0gQWRkZWQgaGFzX3RyYW5zcGFyZW50X2h1Z2VwYWdlKCkgY2hl Y2sgZm9yIFBNRCBhbmQgUFVEIHRlc3RzCj4+IC0gQWRkZWQgYSBwYXRjaCB3aGljaCBkZWJ1ZyBw cmludHMgYWxsIGluZGl2aWR1YWwgdGVzdHMgYmVpbmcgZXhlY3V0ZWQKPj4gLSBVcGRhdGVkIGRv Y3VtZW50YXRpb24gZm9yIHJlbmFtZWQgW3BtZHxwdWRdX21raW52YWxpZCgpIGhlbHBlcnMKPiAK PiBIZWxsbyBHZXJhbGQvQ2hyaXN0b3BoZS9WaW5lZXQsCj4gCj4gSXQgd291bGQgYmUgcmVhbGx5 IGdyZWF0IGlmIHlvdSBjb3VsZCBnaXZlIHRoaXMgc2VyaWVzIGEgcXVpY2sgdGVzdAo+IG9uIHMz OTAvcHBjL2FyYyBwbGF0Zm9ybXMgcmVzcGVjdGl2ZWx5LiBUaGFuayB5b3UuCj4gCgpSdW5uaW5n IG9rIG9uIHBvd2VycGMgOHh4IGFmdGVyIGZpeGluZyBidWlsZCBmYWlsdXJlcy4KCkNocmlzdG9w aGUKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4 LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFk Lm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFy bS1rZXJuZWwK