From patchwork Thu Aug 20 09:20:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 265299 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 4B1C1C433E4 for ; Thu, 20 Aug 2020 13:32:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0EFDC2086A for ; Thu, 20 Aug 2020 13:32:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597930337; bh=D9DNfhMsTz15k1jPQJBicJhju+SA7iaChukrI5WFEkI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=olzFAi+p5c+DGW0UKgjEFUGEkH+9rmLTby3GpzQ/SWWlT4COsk2PSItocN4OGgKQr y2QE8H0n4cVF02cPLXQ4vK7LC5PfOyE6mcprznx2Ueo+q3SOSug4I1X9nYDgfpC/EM 37qC7amaVuNsycWVFPRmY4kOzrjEAu8bmrql92ko= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727845AbgHTNcP (ORCPT ); Thu, 20 Aug 2020 09:32:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:44796 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727063AbgHTJcW (ORCPT ); Thu, 20 Aug 2020 05:32:22 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B450B22B4E; Thu, 20 Aug 2020 09:32:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597915942; bh=D9DNfhMsTz15k1jPQJBicJhju+SA7iaChukrI5WFEkI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z+9MioD11iZ7YBvA6XsT4ooMbA+LdQW4DntKaewwXlb7VtAr8QoUzOFoOyVCZ8baz AuZK7s8f80Ced4v/mhhT2WMIO1N1IKHkQe2IR+TX+w81P/KAe8nCkgwavLPA44vLsP Pi4N8DxvskOPiMh7z9yfRaGT41WQvWwOSvOR4mQ0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Liu Yi L , Jacob Pan , Lu Baolu , Eric Auger , Joerg Roedel , Sasha Levin Subject: [PATCH 5.8 159/232] iommu/vt-d: Enforce PASID devTLB field mask Date: Thu, 20 Aug 2020 11:20:10 +0200 Message-Id: <20200820091620.513899086@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200820091612.692383444@linuxfoundation.org> References: <20200820091612.692383444@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Liu Yi L [ Upstream commit 5f77d6ca5ca74e4b4a5e2e010f7ff50c45dea326 ] Set proper masks to avoid invalid input spillover to reserved bits. Signed-off-by: Liu Yi L Signed-off-by: Jacob Pan Signed-off-by: Lu Baolu Reviewed-by: Eric Auger Link: https://lore.kernel.org/r/20200724014925.15523-2-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel Signed-off-by: Sasha Levin --- include/linux/intel-iommu.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 04bd9279c3fb3..711bdca975be3 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -381,8 +381,8 @@ enum { #define QI_DEV_EIOTLB_ADDR(a) ((u64)(a) & VTD_PAGE_MASK) #define QI_DEV_EIOTLB_SIZE (((u64)1) << 11) -#define QI_DEV_EIOTLB_GLOB(g) ((u64)g) -#define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32) +#define QI_DEV_EIOTLB_GLOB(g) ((u64)(g) & 0x1) +#define QI_DEV_EIOTLB_PASID(p) ((u64)((p) & 0xfffff) << 32) #define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16) #define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4) #define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \