From owner-svn-src-all@freebsd.org Wed Sep 27 23:18:59 2017 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 28FB2E1519B; Wed, 27 Sep 2017 23:18:59 +0000 (UTC) (envelope-from jhb@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 mx1.freebsd.org (Postfix) with ESMTPS id EB04D65166; Wed, 27 Sep 2017 23:18:58 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v8RNIwga009130; Wed, 27 Sep 2017 23:18:58 GMT (envelope-from jhb@FreeBSD.org) Received: (from jhb@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v8RNIwTs009129; Wed, 27 Sep 2017 23:18:58 GMT (envelope-from jhb@FreeBSD.org) Message-Id: <201709272318.v8RNIwTs009129@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhb set sender to jhb@FreeBSD.org using -f From: John Baldwin Date: Wed, 27 Sep 2017 23:18:58 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r324073 - head/sys/kern X-SVN-Group: head X-SVN-Commit-Author: jhb X-SVN-Commit-Paths: head/sys/kern X-SVN-Commit-Revision: 324073 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: 2.1.23 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, 27 Sep 2017 23:18:59 -0000 Author: jhb Date: Wed Sep 27 23:18:57 2017 New Revision: 324073 URL: https://svnweb.freebsd.org/changeset/base/324073 Log: Use UMA_ALIGNOF() for name cache UMA zones. This fixes kernel crashes due to misaligned accesses to the 64-bit time_t embedded in struct namecache_ts in MIPS n32 kernels. MFC after: 1 week Sponsored by: DARPA / AFRL Modified: head/sys/kern/vfs_cache.c Modified: head/sys/kern/vfs_cache.c ============================================================================== --- head/sys/kern/vfs_cache.c Wed Sep 27 23:15:33 2017 (r324072) +++ head/sys/kern/vfs_cache.c Wed Sep 27 23:18:57 2017 (r324073) @@ -1754,16 +1754,20 @@ nchinit(void *dummy __unused) cache_zone_small = uma_zcreate("S VFS Cache", sizeof(struct namecache) + CACHE_PATH_CUTOFF + 1, - NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_ZINIT); + NULL, NULL, NULL, NULL, UMA_ALIGNOF(struct namecache), + UMA_ZONE_ZINIT); cache_zone_small_ts = uma_zcreate("STS VFS Cache", sizeof(struct namecache_ts) + CACHE_PATH_CUTOFF + 1, - NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_ZINIT); + NULL, NULL, NULL, NULL, UMA_ALIGNOF(struct namecache_ts), + UMA_ZONE_ZINIT); cache_zone_large = uma_zcreate("L VFS Cache", sizeof(struct namecache) + NAME_MAX + 1, - NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_ZINIT); + NULL, NULL, NULL, NULL, UMA_ALIGNOF(struct namecache), + UMA_ZONE_ZINIT); cache_zone_large_ts = uma_zcreate("LTS VFS Cache", sizeof(struct namecache_ts) + NAME_MAX + 1, - NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_ZINIT); + NULL, NULL, NULL, NULL, UMA_ALIGNOF(struct namecache_ts), + UMA_ZONE_ZINIT); nchashtbl = hashinit(desiredvnodes * 2, M_VFSCACHE, &nchash); ncbuckethash = cache_roundup_2(mp_ncpus * 64) - 1;