From patchwork Fri Jun 5 14:10:56 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joerg Roedel X-Patchwork-Id: 6554451 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6C450C0020 for ; Fri, 5 Jun 2015 14:14:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5DF8F2070C for ; Fri, 5 Jun 2015 14:14:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7D1B0205EA for ; Fri, 5 Jun 2015 14:14:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423177AbbFEOMr (ORCPT ); Fri, 5 Jun 2015 10:12:47 -0400 Received: from 8bytes.org ([81.169.241.247]:59212 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423041AbbFEOLS (ORCPT ); Fri, 5 Jun 2015 10:11:18 -0400 Received: by theia.8bytes.org (Postfix, from userid 1000) id 05D6F6DE; Fri, 5 Jun 2015 16:11:11 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=8bytes.org; s=mail-1; t=1433513472; bh=MNosPRZ8cV4kUrlvTEiya0gWARyMQKNJMOLzzTmb1+8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XW1eQq4NKbt6D8KAhUCW+puJ2qGVGl9qvVC7mcM4YHsPCkDFb2bcWlyxHjHZJ2273 FB46Q1MGJZxwAzKKQ8imWOAi6yl26fy3JkYNnnqfGMQQKxKzVfbHRTZ1ByNE0W9BUl T5tiwvumOmDS+fLBj71c6tHyhyDMZsZX5XZGmGh1AQCzAMOfpP2YZNcDiMSYuKSE7G ElP0V3x3gpDJfUCE17ZrGYGUw3xua013uXpa+gzpczfucNWS39YZAJmo9ql0gvZBAI B0udK/vyg3XI2AuyEEj1qTDhG5GgV7bmhVCDGXdGX5tZEjSEcIJTAOOB+pvcfPYNRT evZs7JnIU1csw== From: Joerg Roedel To: iommu@lists.linux-foundation.org Cc: zhen-hual@hp.com, bhe@redhat.com, dwmw2@infradead.org, vgoyal@redhat.com, dyoung@redhat.com, alex.williamson@redhat.com, ddutile@redhat.com, ishii.hironobu@jp.fujitsu.com, indou.takao@jp.fujitsu.com, bhelgaas@google.com, doug.hatch@hp.com, jerry.hoemann@hp.com, tom.vaden@hp.com, li.zhang6@hp.com, lisa.mitchell@hp.com, billsumnerlinux@gmail.com, rwright@hp.com, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, kexec@lists.infradead.org, joro@8bytes.org, jroedel@suse.de Subject: [PATCH 10/17] iommu/vt-d: Allocate irq remapping table bitmap with GFP_KERNEL Date: Fri, 5 Jun 2015 16:10:56 +0200 Message-Id: <1433513463-19128-11-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1433513463-19128-1-git-send-email-joro@8bytes.org> References: <1433513463-19128-1-git-send-email-joro@8bytes.org> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Joerg Roedel This function does not run in atomic context, so no reason to do a GFP_ATOMIC allocation. Tested-by: Baoquan He Signed-off-by: Joerg Roedel --- drivers/iommu/intel_irq_remapping.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 34667d5..d22518d 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -510,7 +510,7 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu) } bitmap = kcalloc(BITS_TO_LONGS(INTR_REMAP_TABLE_ENTRIES), - sizeof(long), GFP_ATOMIC); + sizeof(long), GFP_KERNEL | __GFP_ZERO); if (bitmap == NULL) { pr_err("Failed to allocate bitmap for IR[%d]\n", iommu->seq_id); goto out_free_pages;