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=-8.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 CA4AFC49ED7 for ; Fri, 13 Sep 2019 06:58:15 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 78472208C2 for ; Fri, 13 Sep 2019 06:58:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 78472208C2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D5B5C6B0005; Fri, 13 Sep 2019 02:58:14 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CE3B06B0006; Fri, 13 Sep 2019 02:58:14 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BAA916B0007; Fri, 13 Sep 2019 02:58:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0183.hostedemail.com [216.40.44.183]) by kanga.kvack.org (Postfix) with ESMTP id 93B656B0005 for ; Fri, 13 Sep 2019 02:58:14 -0400 (EDT) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 329FC20BDF for ; Fri, 13 Sep 2019 06:58:14 +0000 (UTC) X-FDA: 75928993308.17.house44_81c7727bd8a35 X-HE-Tag: house44_81c7727bd8a35 X-Filterd-Recvd-Size: 3885 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf01.hostedemail.com (Postfix) with ESMTP for ; Fri, 13 Sep 2019 06:58:11 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0A928337; Thu, 12 Sep 2019 23:58:11 -0700 (PDT) Received: from [10.162.41.125] (p8cg001049571a15.blr.arm.com [10.162.41.125]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6675F3F67D; Fri, 13 Sep 2019 00:00:27 -0700 (PDT) From: Anshuman Khandual Subject: Re: [PATCH] mm/pgtable/debug: Fix test validating architecture page table helpers To: Christophe Leroy , linux-mm@kvack.org Cc: Mark Rutland , linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, Peter Zijlstra , James Hogan , Heiko Carstens , Michal Hocko , Dave Hansen , Paul Mackerras , sparclinux@vger.kernel.org, Thomas Gleixner , linux-s390@vger.kernel.org, Jason Gunthorpe , x86@kernel.org, Russell King - ARM Linux , Matthew Wilcox , Steven Price , Tetsuo Handa , Gerald Schaefer , linux-snps-arc@lists.infradead.org, Kees Cook , Masahiro Yamada , Mark Brown , "Kirill A . Shutemov" , Dan Williams , Vlastimil Babka , linux-arm-kernel@lists.infradead.org, Sri Krishna chowdary , Ard Biesheuvel , Greg Kroah-Hartman , linux-mips@vger.kernel.org, Ralf Baechle , linux-kernel@vger.kernel.org, Paul Burton , Mike Rapoport , Vineet Gupta , Martin Schwidefsky , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" References: <1892b37d1fd9a4ed39e76c4b999b6556077201c0.1568355752.git.christophe.leroy@c-s.fr> Message-ID: <527dd29d-45fa-4d83-1899-6cbf268dd749@arm.com> Date: Fri, 13 Sep 2019 12:28:08 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1892b37d1fd9a4ed39e76c4b999b6556077201c0.1568355752.git.christophe.leroy@c-s.fr> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 09/13/2019 11:53 AM, Christophe Leroy wrote: > Fix build failure on powerpc. > > Fix preemption imbalance. > > Signed-off-by: Christophe Leroy > --- > mm/arch_pgtable_test.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/mm/arch_pgtable_test.c b/mm/arch_pgtable_test.c > index 8b4a92756ad8..f2b3c9ec35fa 100644 > --- a/mm/arch_pgtable_test.c > +++ b/mm/arch_pgtable_test.c > @@ -24,6 +24,7 @@ > #include > #include > #include > +#include This is okay. > #include > #include > > @@ -400,6 +401,8 @@ static int __init arch_pgtable_tests_init(void) > p4d_clear_tests(p4dp); > pgd_clear_tests(mm, pgdp); > > + pte_unmap(ptep); > + Now the preemption imbalance via pte_alloc_map() path i.e pte_alloc_map() -> pte_offset_map() -> kmap_atomic() Is not this very much powerpc 32 specific or this will be applicable for all platform which uses kmap_XXX() to map high memory ?