From owner-svn-src-all@freebsd.org Wed Feb 19 22:34:24 2020 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 28CC62471C3; Wed, 19 Feb 2020 22:34:24 +0000 (UTC) (envelope-from jeff@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 48NCFW2xBpz413f; Wed, 19 Feb 2020 22:34:23 +0000 (UTC) (envelope-from jeff@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 47FFBFEE0; Wed, 19 Feb 2020 22:34:23 +0000 (UTC) (envelope-from jeff@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 01JMYNo1084608; Wed, 19 Feb 2020 22:34:23 GMT (envelope-from jeff@FreeBSD.org) Received: (from jeff@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 01JMYNxX084607; Wed, 19 Feb 2020 22:34:23 GMT (envelope-from jeff@FreeBSD.org) Message-Id: <202002192234.01JMYNxX084607@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jeff set sender to jeff@FreeBSD.org using -f From: Jeff Roberson Date: Wed, 19 Feb 2020 22:34:23 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r358133 - head/sys/vm X-SVN-Group: head X-SVN-Commit-Author: jeff X-SVN-Commit-Paths: head/sys/vm X-SVN-Commit-Revision: 358133 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: 2.1.29 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: Wed, 19 Feb 2020 22:34:24 -0000 Author: jeff Date: Wed Feb 19 22:34:22 2020 New Revision: 358133 URL: https://svnweb.freebsd.org/changeset/base/358133 Log: Silence a gcc warning about no return from a function that handles every possible enum in a switch statement. I verified that this emits nothing as expected on clang. radix relies on constant propagation to eliminate any branching from these access routines. Reported by: lwhsu/tinderbox Modified: head/sys/vm/vm_radix.c Modified: head/sys/vm/vm_radix.c ============================================================================== --- head/sys/vm/vm_radix.c Wed Feb 19 21:12:59 2020 (r358132) +++ head/sys/vm/vm_radix.c Wed Feb 19 22:34:22 2020 (r358133) @@ -208,6 +208,8 @@ vm_radix_node_load(smrnode_t *p, enum vm_radix_access case SMR: return (smr_entered_load(p, vm_radix_smr)); } + /* This is unreachable, silence gcc. */ + panic("vm_radix_node_get: Unknown access type"); } static __inline void