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=-8.2 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 53A5FC433FF for ; Thu, 15 Aug 2019 04:47:10 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 262EE2171F for ; Thu, 15 Aug 2019 04:47:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 262EE2171F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id CA73BB6C; Thu, 15 Aug 2019 04:47:09 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id BE539B4B for ; Thu, 15 Aug 2019 04:47:07 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id DEDFF8B2 for ; Thu, 15 Aug 2019 04:47:05 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Aug 2019 21:47:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,387,1559545200"; d="scan'208";a="171009770" Received: from allen-box.sh.intel.com (HELO [10.239.159.136]) ([10.239.159.136]) by orsmga008.jf.intel.com with ESMTP; 14 Aug 2019 21:47:01 -0700 Subject: Re: [PATCH 03/10] iommu/vt-d: Request passthrough mode from IOMMU core To: Joerg Roedel References: <20190814133841.7095-1-joro@8bytes.org> <20190814133841.7095-4-joro@8bytes.org> From: Lu Baolu Message-ID: <77ee40c6-392c-5094-c945-a63dc370188d@linux.intel.com> Date: Thu, 15 Aug 2019 12:46:01 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190814133841.7095-4-joro@8bytes.org> Content-Language: en-US Cc: fenghua.yu@intel.com, tony.luck@intel.com, linux-ia64@vger.kernel.org, corbet@lwn.net, Joerg Roedel , x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, mingo@redhat.com, bp@alien8.de, Thomas.Lendacky@amd.com, hpa@zytor.com, tglx@linutronix.de X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org Hi Joerg, On 8/14/19 9:38 PM, Joerg Roedel wrote: > From: Joerg Roedel > > Get rid of the iommu_pass_through variable and request > passthrough mode via the new iommu core function. > > Signed-off-by: Joerg Roedel Looks good to me. Reviewed-by: Lu Baolu > --- > drivers/iommu/intel-iommu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c > index bdaed2da8a55..234bc2b55c59 100644 > --- a/drivers/iommu/intel-iommu.c > +++ b/drivers/iommu/intel-iommu.c > @@ -3267,7 +3267,7 @@ static int __init init_dmars(void) > iommu->flush.flush_iotlb(iommu, 0, 0, 0, DMA_TLB_GLOBAL_FLUSH); > } > > - if (iommu_pass_through) > + if (iommu_default_passthrough()) > iommu_identity_mapping |= IDENTMAP_ALL; > > #ifdef CONFIG_INTEL_IOMMU_BROKEN_GFX_WA > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu