Message ID | 20200107224558.2362728-9-jhubbard@nvidia.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show
Return-Path: <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47spRy4Qs8z9sQp for <patchwork-incoming@ozlabs.org>; Wed, 8 Jan 2020 10:26:54 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="mG+9fbuP"; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47spRy147VzDqf5 for <patchwork-incoming@ozlabs.org>; Wed, 8 Jan 2020 10:26:54 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; 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Tue, 07 Jan 2020 14:46:05 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 07 Jan 2020 14:46:05 -0800 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 7 Jan 2020 22:46:04 +0000 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 7 Jan 2020 22:46:00 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 7 Jan 2020 22:46:00 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id <B5e150a280004>; Tue, 07 Jan 2020 14:46:00 -0800 From: John Hubbard <jhubbard@nvidia.com> To: Andrew Morton <akpm@linux-foundation.org> Subject: [PATCH v12 08/22] mm/gup: allow FOLL_FORCE for get_user_pages_fast() Date: Tue, 7 Jan 2020 14:45:44 -0800 Message-ID: <20200107224558.2362728-9-jhubbard@nvidia.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200107224558.2362728-1-jhubbard@nvidia.com> References: <20200107224558.2362728-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable Content-Type: text/plain DKIM-Signature: v=1; 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Shutemov" <kirill@shutemov.name>, Dan Williams <dan.j.williams@intel.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Magnus Karlsson <magnus.karlsson@intel.com>, Jens Axboe <axboe@kernel.dk>, netdev@vger.kernel.org, Alex Williamson <alex.williamson@redhat.com>, Daniel Vetter <daniel@ffwll.ch>, linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David S . Miller" <davem@davemloft.net>, Mike Kravetz <mike.kravetz@oracle.com> Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> |
Series |
mm/gup: prereqs to track dma-pinned pages: FOLL_PIN
|
expand
|
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (20862247a368dbb75d6e97d82345999adaacf3cc) |
snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 9 lines checked |
snowpatch_ozlabs/needsstable | warning | Please consider tagging this patch for stable! |
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
diff --git a/mm/gup.c b/mm/gup.c index b61bd5c469ae..a594bc708367 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -2411,7 +2411,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, unsigned long addr, len, end; int nr = 0, ret = 0; - if (WARN_ON_ONCE(gup_flags & ~(FOLL_WRITE | FOLL_LONGTERM))) + if (WARN_ON_ONCE(gup_flags & ~(FOLL_WRITE | FOLL_LONGTERM | + FOLL_FORCE))) return -EINVAL; start = untagged_addr(start) & PAGE_MASK;