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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 51EA3C3A5A2 for ; Fri, 23 Aug 2019 22:18:18 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 175A920850 for ; Fri, 23 Aug 2019 22:18:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="ctpsqG1k" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 175A920850 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0AEFE6B04BC; Fri, 23 Aug 2019 18:18:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EB6C96B04BD; Fri, 23 Aug 2019 18:18:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D7D146B04BE; Fri, 23 Aug 2019 18:18:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0082.hostedemail.com [216.40.44.82]) by kanga.kvack.org (Postfix) with ESMTP id B4B336B04BC for ; Fri, 23 Aug 2019 18:18:15 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 594C852AB for ; Fri, 23 Aug 2019 22:18:15 +0000 (UTC) X-FDA: 75855106950.07.match98_64f85ed3f772d X-HE-Tag: match98_64f85ed3f772d X-Filterd-Recvd-Size: 3322 Received: from hqemgate16.nvidia.com (hqemgate16.nvidia.com [216.228.121.65]) by imf06.hostedemail.com (Postfix) with ESMTP for ; Fri, 23 Aug 2019 22:18:13 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Fri, 23 Aug 2019 15:18:12 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Fri, 23 Aug 2019 15:18:12 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Fri, 23 Aug 2019 15:18:12 -0700 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 23 Aug 2019 22:18:07 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Fri, 23 Aug 2019 22:18:07 +0000 Received: from rcampbell-dev.nvidia.com (Not Verified[10.110.48.66]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Fri, 23 Aug 2019 15:18:06 -0700 From: Ralph Campbell To: CC: , , , , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Jason Gunthorpe , Andrew Morton , "Christoph Hellwig" , Ralph Campbell Subject: [PATCH 0/2] mm/hmm: two bug fixes for hmm_range_fault() Date: Fri, 23 Aug 2019 15:17:51 -0700 Message-ID: <20190823221753.2514-1-rcampbell@nvidia.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1566598693; bh=Z6axOFKbUvqsjcFqMxwwOrZTql7QqKTfP0heWnYU1Z8=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: MIME-Version:X-NVConfidentiality:Content-Transfer-Encoding: Content-Type; b=ctpsqG1kNxP+YzsOTUXs7AwK5TY2o4ZmwFLtokaKLQ4zXNU31nsT4X7JyHtFGc5fe O8xIorB0RJZR6/3g7TN0cjxJ0/JlP3grcpjxY6NHweE6/eyjaFRSeeYH/peSmE7G5E 6FiA1tTrxCHIAWyCwjMVD8eWRBvO37Z3HtCxaHyPi8tCz1GQZvv+j03ery4xJu2Nvb rik3UshHudfzSfYw2qCWIlQKCR9d0zLt50+Q354r5dPupAuz4gjV8IJsaeiLwrVPAQ M/0ar3v6Up8fbsIC/Ld11+CbgBG306Z+AOrZZelEg4l+GgDLY6zz0F1xBu2md0eZ1G mlS04Yqu1Mb/w== 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: I have been working on converting Jerome's hmm_dummy driver and self tests into a stand-alone set of tests to be included in tools/testing/selftests/vm and came across these two bug fixes in the process. The tests aren't quite ready to be posted as a patch. I'm posting the fixes now since I thought they shouldn't wait. They should probably have a fixes line but with all the HMM changes, I wasn't sure exactly which commit to use. These are based on top of Jason's latest hmm branch. Ralph Campbell (2): mm/hmm: hmm_range_fault() NULL pointer bug mm/hmm: hmm_range_fault() infinite loop mm/hmm.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) --=20 2.20.1