From owner-svn-src-stable@freebsd.org Thu Sep 28 15:18:21 2017 Return-Path: Delivered-To: svn-src-stable@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 D4F69E33F7F; Thu, 28 Sep 2017 15:18:21 +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 mx1.freebsd.org (Postfix) with ESMTPS id A14AD2E7C; Thu, 28 Sep 2017 15:18:21 +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 v8SFIKXG008882; Thu, 28 Sep 2017 15:18:20 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v8SFIKv6008881; Thu, 28 Sep 2017 15:18:20 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201709281518.v8SFIKv6008881@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Thu, 28 Sep 2017 15:18:20 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r324083 - stable/11/sys/dev/drm2/i915 X-SVN-Group: stable-11 X-SVN-Commit-Author: markj X-SVN-Commit-Paths: stable/11/sys/dev/drm2/i915 X-SVN-Commit-Revision: 324083 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Sep 2017 15:18:22 -0000 Author: markj Date: Thu Sep 28 15:18:20 2017 New Revision: 324083 URL: https://svnweb.freebsd.org/changeset/base/324083 Log: MFC r323880: Simplify i915_gem_wire_page() and avoid unneeded page-busying. Modified: stable/11/sys/dev/drm2/i915/i915_gem.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/drm2/i915/i915_gem.c ============================================================================== --- stable/11/sys/dev/drm2/i915/i915_gem.c Thu Sep 28 12:43:25 2017 (r324082) +++ stable/11/sys/dev/drm2/i915/i915_gem.c Thu Sep 28 15:18:20 2017 (r324083) @@ -4736,12 +4736,15 @@ i915_gem_wire_page(vm_object_t object, vm_pindex_t pin int rv; VM_OBJECT_ASSERT_WLOCKED(object); - page = vm_page_grab(object, pindex, VM_ALLOC_NORMAL); + page = vm_page_grab(object, pindex, VM_ALLOC_NORMAL | VM_ALLOC_NOBUSY | + VM_ALLOC_WIRED); if (page->valid != VM_PAGE_BITS_ALL) { + vm_page_xbusy(page); if (vm_pager_has_page(object, pindex, NULL, NULL)) { rv = vm_pager_get_pages(object, &page, 1, NULL, NULL); if (rv != VM_PAGER_OK) { vm_page_lock(page); + vm_page_unwire(page, PQ_NONE); vm_page_free(page); vm_page_unlock(page); return (NULL); @@ -4755,13 +4758,9 @@ i915_gem_wire_page(vm_object_t object, vm_pindex_t pin if (fresh != NULL) *fresh = false; } - } else if (fresh != NULL) { + vm_page_xunbusy(page); + } else if (fresh != NULL) *fresh = false; - } - vm_page_lock(page); - vm_page_wire(page); - vm_page_unlock(page); - vm_page_xunbusy(page); atomic_add_long(&i915_gem_wired_pages_cnt, 1); return (page); }