From owner-svn-src-head@FreeBSD.ORG Wed Sep 3 21:17:09 2014 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id A0A8616B; Wed, 3 Sep 2014 21:17:09 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::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 8C63017DB; Wed, 3 Sep 2014 21:17:09 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id s83LH9k2069909; Wed, 3 Sep 2014 21:17:09 GMT (envelope-from jhb@FreeBSD.org) Received: (from jhb@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id s83LH9na069907; Wed, 3 Sep 2014 21:17:09 GMT (envelope-from jhb@FreeBSD.org) Message-Id: <201409032117.s83LH9na069907@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: jhb set sender to jhb@FreeBSD.org using -f From: John Baldwin Date: Wed, 3 Sep 2014 21:17:09 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r271053 - head/sys/i386/i386 X-SVN-Group: head 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: 2.1.18-1 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: Wed, 03 Sep 2014 21:17:09 -0000 Author: jhb Date: Wed Sep 3 21:17:09 2014 New Revision: 271053 URL: http://svnweb.freebsd.org/changeset/base/271053 Log: Actually save and restore FPU state on APs during suspend and resume. Committed from: Atom-based HP netbook after resuming in X Modified: head/sys/i386/i386/mp_machdep.c Modified: head/sys/i386/i386/mp_machdep.c ============================================================================== --- head/sys/i386/i386/mp_machdep.c Wed Sep 3 20:53:11 2014 (r271052) +++ head/sys/i386/i386/mp_machdep.c Wed Sep 3 21:17:09 2014 (r271053) @@ -1522,15 +1522,11 @@ cpususpend_handler(void) cpu = PCPU_GET(cpuid); if (savectx(susppcbs[cpu])) { -#ifdef DEV_NPX - npxsuspend(&suspcbs[cpu]->pcb_fpususpend); -#endif + npxsuspend(&susppcbs[cpu]->pcb_fpususpend); wbinvd(); CPU_SET_ATOMIC(cpu, &suspended_cpus); } else { -#ifdef DEV_NPX - npxresume(&suspcbs[cpu]->pcb_fpususpend); -#endif + npxresume(&susppcbs[cpu]->pcb_fpususpend); pmap_init_pat(); PCPU_SET(switchtime, 0); PCPU_SET(switchticks, ticks);