From patchwork Fri Jun 14 13:47:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10995499 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 97D7076 for ; Fri, 14 Jun 2019 13:49:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8535F27F90 for ; Fri, 14 Jun 2019 13:49:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 754C828420; Fri, 14 Jun 2019 13:49:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1C4FA28390 for ; Fri, 14 Jun 2019 13:49:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728857AbfFNNsM (ORCPT ); Fri, 14 Jun 2019 09:48:12 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:52576 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728307AbfFNNsK (ORCPT ); Fri, 14 Jun 2019 09:48:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=voUH/VESvtWj4I6HLsXBpYRJA1I9bz8V8FhWnyIglGY=; b=uRK7ZFAnjpL2rr/0CUfA2lvRvn MMA/TT67HwvKwHALsH6Yi1bK/9hQpeF2Y9WNSQiuHCQZk3pGo5Iut8pm4tAYvEGrw/6WXYNTmPxKO dAMk/oU/QBEx/xXpnJFg9G8wz5Fp9ysZOZxj3YySGlQxOS9aKURHvR4B3f1nS4JChwui9qEEY8i6X bJlC9leC1vR0nEGsTg5/vqnuj4fdWff3QX72bE0zpkRJHcgzwvQf1m9HIJwDxhhdbqgBXTTX3ixSJ 5oYDmNfDcKyAIPrOHNouEAsKLx5bVbDJIHGyKOFWk1kar/q9/gTj6w2JpvlWTWoobtck9JM+dFHSI 3wLzosZw==; Received: from 213-225-9-13.nat.highway.a1.net ([213.225.9.13] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hbmYd-00054z-8V; Fri, 14 Jun 2019 13:47:56 +0000 From: Christoph Hellwig To: Maarten Lankhorst , Maxime Ripard , Sean Paul , David Airlie , Daniel Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Ian Abbott , H Hartley Sweeten Cc: Intel Linux Wireless , linux-arm-kernel@lists.infradead.org (moderated list:ARM PORT), dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, linux-s390@vger.kernel.org, devel@driverdev.osuosl.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH 07/16] IB/hfi1: stop passing bogus gfp flags arguments to dma_alloc_coherent Date: Fri, 14 Jun 2019 15:47:17 +0200 Message-Id: <20190614134726.3827-8-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190614134726.3827-1-hch@lst.de> References: <20190614134726.3827-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP dma_alloc_coherent is not just the page allocator. The only valid arguments to pass are either GFP_ATOMIC or GFP_ATOMIC with possible modifiers of __GFP_NORETRY or __GFP_NOWARN. Signed-off-by: Christoph Hellwig --- drivers/infiniband/hw/hfi1/init.c | 22 +++------------------- 1 file changed, 3 insertions(+), 19 deletions(-) diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c index 71cb9525c074..ff9d106ee784 100644 --- a/drivers/infiniband/hw/hfi1/init.c +++ b/drivers/infiniband/hw/hfi1/init.c @@ -1846,17 +1846,10 @@ int hfi1_create_rcvhdrq(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd) u64 reg; if (!rcd->rcvhdrq) { - gfp_t gfp_flags; - amt = rcvhdrq_size(rcd); - if (rcd->ctxt < dd->first_dyn_alloc_ctxt || rcd->is_vnic) - gfp_flags = GFP_KERNEL; - else - gfp_flags = GFP_USER; rcd->rcvhdrq = dma_alloc_coherent(&dd->pcidev->dev, amt, - &rcd->rcvhdrq_dma, - gfp_flags | __GFP_COMP); + &rcd->rcvhdrq_dma, GFP_KERNEL); if (!rcd->rcvhdrq) { dd_dev_err(dd, @@ -1870,7 +1863,7 @@ int hfi1_create_rcvhdrq(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd) rcd->rcvhdrtail_kvaddr = dma_alloc_coherent(&dd->pcidev->dev, PAGE_SIZE, &rcd->rcvhdrqtailaddr_dma, - gfp_flags); + GFP_KERNEL); if (!rcd->rcvhdrtail_kvaddr) goto bail_free; } @@ -1926,19 +1919,10 @@ int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *rcd) { struct hfi1_devdata *dd = rcd->dd; u32 max_entries, egrtop, alloced_bytes = 0; - gfp_t gfp_flags; u16 order, idx = 0; int ret = 0; u16 round_mtu = roundup_pow_of_two(hfi1_max_mtu); - /* - * GFP_USER, but without GFP_FS, so buffer cache can be - * coalesced (we hope); otherwise, even at order 4, - * heavy filesystem activity makes these fail, and we can - * use compound pages. - */ - gfp_flags = __GFP_RECLAIM | __GFP_IO | __GFP_COMP; - /* * The minimum size of the eager buffers is a groups of MTU-sized * buffers. @@ -1969,7 +1953,7 @@ int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *rcd) dma_alloc_coherent(&dd->pcidev->dev, rcd->egrbufs.rcvtid_size, &rcd->egrbufs.buffers[idx].dma, - gfp_flags); + GFP_KERNEL); if (rcd->egrbufs.buffers[idx].addr) { rcd->egrbufs.buffers[idx].len = rcd->egrbufs.rcvtid_size;