From owner-svn-src-head@freebsd.org Fri Dec 14 21:03:02 2018 Return-Path: Delivered-To: svn-src-head@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 73AE81316930; Fri, 14 Dec 2018 21:03:02 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1A8836B36A; Fri, 14 Dec 2018 21:03:02 +0000 (UTC) (envelope-from markj@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 EE74752F0; Fri, 14 Dec 2018 21:03:01 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wBEL31px003083; Fri, 14 Dec 2018 21:03:01 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wBEL31f3003082; Fri, 14 Dec 2018 21:03:01 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201812142103.wBEL31f3003082@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Fri, 14 Dec 2018 21:03:01 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342098 - head/sys/riscv/riscv X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/riscv/riscv X-SVN-Commit-Revision: 342098 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 1A8836B36A X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.83 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-0.99)[-0.989,0]; NEURAL_HAM_SHORT(-0.96)[-0.963,0]; NEURAL_HAM_LONG(-0.88)[-0.883,0] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Dec 2018 21:03:02 -0000 Author: markj Date: Fri Dec 14 21:03:01 2018 New Revision: 342098 URL: https://svnweb.freebsd.org/changeset/base/342098 Log: Assume that pmap_l1() will return a PTE. pmaps on RISC-V always have an L1 page table page, so we don't need to check for this when performing lookups. Reviewed by: jhb MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D18563 Modified: head/sys/riscv/riscv/pmap.c Modified: head/sys/riscv/riscv/pmap.c ============================================================================== --- head/sys/riscv/riscv/pmap.c Fri Dec 14 21:00:41 2018 (r342097) +++ head/sys/riscv/riscv/pmap.c Fri Dec 14 21:03:01 2018 (r342098) @@ -316,8 +316,6 @@ pmap_l2(pmap_t pmap, vm_offset_t va) pd_entry_t *l1; l1 = pmap_l1(pmap, va); - if (l1 == NULL) - return (NULL); if ((pmap_load(l1) & PTE_V) == 0) return (NULL); if ((pmap_load(l1) & PTE_RX) != 0)