From owner-svn-src-head@freebsd.org Fri Mar 30 10:55:31 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 CC1C3F5BBF6; Fri, 30 Mar 2018 10:55:31 +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 7E29B82575; Fri, 30 Mar 2018 10:55:31 +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 750B527BD7; Fri, 30 Mar 2018 10:55:31 +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 w2UAtVmP044659; Fri, 30 Mar 2018 10:55:31 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w2UAtVtK044657; Fri, 30 Mar 2018 10:55:31 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201803301055.w2UAtVtK044657@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Fri, 30 Mar 2018 10:55:31 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r331760 - head/sys/vm X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: head/sys/vm X-SVN-Commit-Revision: 331760 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: 2.1.25 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, 30 Mar 2018 10:55:32 -0000 Author: kib Date: Fri Mar 30 10:55:31 2018 New Revision: 331760 URL: https://svnweb.freebsd.org/changeset/base/331760 Log: Make vm_map_max/min/pmap KBI stable. There are out of tree consumers of vm_map_min() and vm_map_max(), and I believe there are consumers of vm_map_pmap(), although the later is arguably less in the need of KBI-stable interface. For the consumers benefit, make modules using this KPI not depended on the struct vm_map layout. Reviewed by: alc, markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D14902 Modified: head/sys/vm/vm_map.c head/sys/vm/vm_map.h Modified: head/sys/vm/vm_map.c ============================================================================== --- head/sys/vm/vm_map.c Fri Mar 30 10:36:54 2018 (r331759) +++ head/sys/vm/vm_map.c Fri Mar 30 10:55:31 2018 (r331760) @@ -4315,6 +4315,27 @@ vm_map_lookup_done(vm_map_t map, vm_map_entry_t entry) vm_map_unlock_read(map); } +vm_offset_t +vm_map_max_KBI(const struct vm_map *map) +{ + + return (map->max_offset); +} + +vm_offset_t +vm_map_min_KBI(const struct vm_map *map) +{ + + return (map->min_offset); +} + +pmap_t +vm_map_pmap_KBI(vm_map_t map) +{ + + return (map->pmap); +} + #include "opt_ddb.h" #ifdef DDB #include Modified: head/sys/vm/vm_map.h ============================================================================== --- head/sys/vm/vm_map.h Fri Mar 30 10:36:54 2018 (r331759) +++ head/sys/vm/vm_map.h Fri Mar 30 10:55:31 2018 (r331760) @@ -206,6 +206,11 @@ struct vm_map { #define MAP_BUSY_WAKEUP 0x02 #ifdef _KERNEL +#ifdef KLD_MODULE +#define vm_map_max(map) vm_map_max_KBI((map)) +#define vm_map_min(map) vm_map_min_KBI((map)) +#define vm_map_pmap(map) vm_map_pmap_KBI((map)) +#else static __inline vm_offset_t vm_map_max(const struct vm_map *map) { @@ -229,6 +234,7 @@ vm_map_modflags(vm_map_t map, vm_flags_t set, vm_flags { map->flags = (map->flags | set) & ~clear; } +#endif /* KLD_MODULE */ #endif /* _KERNEL */ /* @@ -289,6 +295,9 @@ void vm_map_wakeup(vm_map_t map); void vm_map_busy(vm_map_t map); void vm_map_unbusy(vm_map_t map); void vm_map_wait_busy(vm_map_t map); +vm_offset_t vm_map_max_KBI(const struct vm_map *map); +vm_offset_t vm_map_min_KBI(const struct vm_map *map); +pmap_t vm_map_pmap_KBI(vm_map_t map); #define vm_map_lock(map) _vm_map_lock(map, LOCK_FILE, LOCK_LINE) #define vm_map_unlock(map) _vm_map_unlock(map, LOCK_FILE, LOCK_LINE)