From owner-svn-src-all@freebsd.org Tue Sep 25 20:07:59 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 307C910B9EFA; Tue, 25 Sep 2018 20:07:59 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C693C7F6EC; Tue, 25 Sep 2018 20:07:58 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id BAFB952FD; Tue, 25 Sep 2018 20:07:58 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w8PK7wQD041911; Tue, 25 Sep 2018 20:07:58 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w8PK7wwc041910; Tue, 25 Sep 2018 20:07:58 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201809252007.w8PK7wwc041910@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Tue, 25 Sep 2018 20:07:58 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r338932 - head/sys/amd64/amd64 X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: head/sys/amd64/amd64 X-SVN-Commit-Revision: 338932 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Sep 2018 20:07:59 -0000 Author: kib Date: Tue Sep 25 20:07:58 2018 New Revision: 338932 URL: https://svnweb.freebsd.org/changeset/base/338932 Log: Fix some uses of dmaplimit. dmaplimit is the first byte after the end of DMAP. Reported by: "Johnson, Archna" Reviewed by: alc, markj Approved by: re (gjb) MFC after: 1 week Differential revision: https://reviews.freebsd.org/D17318 Modified: head/sys/amd64/amd64/pmap.c Modified: head/sys/amd64/amd64/pmap.c ============================================================================== --- head/sys/amd64/amd64/pmap.c Tue Sep 25 19:53:19 2018 (r338931) +++ head/sys/amd64/amd64/pmap.c Tue Sep 25 20:07:58 2018 (r338932) @@ -1422,7 +1422,7 @@ pmap_init(void) if (ppim->va == 0) continue; /* Make the direct map consistent */ - if (ppim->pa < dmaplimit && ppim->pa + ppim->sz < dmaplimit) { + if (ppim->pa < dmaplimit && ppim->pa + ppim->sz <= dmaplimit) { (void)pmap_change_attr(PHYS_TO_DMAP(ppim->pa), ppim->sz, ppim->mode); } @@ -7055,7 +7055,7 @@ pmap_mapdev_attr(vm_paddr_t pa, vm_size_t size, int mo * If the specified range of physical addresses fits within * the direct map window, use the direct map. */ - if (pa < dmaplimit && pa + size < dmaplimit) { + if (pa < dmaplimit && pa + size <= dmaplimit) { va = PHYS_TO_DMAP(pa); if (!pmap_change_attr(va, size, mode)) return ((void *)(va + offset));