From owner-svn-src-head@freebsd.org Sat Oct 17 08:47:09 2020 Return-Path: Delivered-To: svn-src-head@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 948F242FD93; Sat, 17 Oct 2020 08:47:09 +0000 (UTC) (envelope-from mjg@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 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 4CCxTn3RVLz3ZvH; Sat, 17 Oct 2020 08:47:09 +0000 (UTC) (envelope-from mjg@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 5900B1EE4B; Sat, 17 Oct 2020 08:47:09 +0000 (UTC) (envelope-from mjg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 09H8l9PL063170; Sat, 17 Oct 2020 08:47:09 GMT (envelope-from mjg@FreeBSD.org) Received: (from mjg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 09H8l928063169; Sat, 17 Oct 2020 08:47:09 GMT (envelope-from mjg@FreeBSD.org) Message-Id: <202010170847.09H8l928063169@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mjg set sender to mjg@FreeBSD.org using -f From: Mateusz Guzik Date: Sat, 17 Oct 2020 08:47:09 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366783 - in head/sys: kern sys X-SVN-Group: head X-SVN-Commit-Author: mjg X-SVN-Commit-Paths: in head/sys: kern sys X-SVN-Commit-Revision: 366783 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 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: Sat, 17 Oct 2020 08:47:09 -0000 Author: mjg Date: Sat Oct 17 08:47:08 2020 New Revision: 366783 URL: https://svnweb.freebsd.org/changeset/base/366783 Log: vfs: annotate mountlist_mtx with __exclusive_cache_line Modified: head/sys/kern/vfs_mount.c head/sys/sys/mount.h Modified: head/sys/kern/vfs_mount.c ============================================================================== --- head/sys/kern/vfs_mount.c Sat Oct 17 04:14:46 2020 (r366782) +++ head/sys/kern/vfs_mount.c Sat Oct 17 08:47:08 2020 (r366783) @@ -96,7 +96,7 @@ static uma_zone_t mount_zone; struct mntlist mountlist = TAILQ_HEAD_INITIALIZER(mountlist); /* For any iteration/modification of mountlist */ -struct mtx mountlist_mtx; +struct mtx_padalign __exclusive_cache_line mountlist_mtx; MTX_SYSINIT(mountlist, &mountlist_mtx, "mountlist", MTX_DEF); EVENTHANDLER_LIST_DEFINE(vfs_mounted); Modified: head/sys/sys/mount.h ============================================================================== --- head/sys/sys/mount.h Sat Oct 17 04:14:46 2020 (r366782) +++ head/sys/sys/mount.h Sat Oct 17 08:47:08 2020 (r366783) @@ -997,7 +997,7 @@ int vfs_suser(struct mount *, struct thread *); void vfs_unbusy(struct mount *); void vfs_unmountall(void); extern TAILQ_HEAD(mntlist, mount) mountlist; /* mounted filesystem list */ -extern struct mtx mountlist_mtx; +extern struct mtx_padalign mountlist_mtx; extern struct nfs_public nfs_pub; extern struct sx vfsconf_sx; #define vfsconf_lock() sx_xlock(&vfsconf_sx)