From owner-svn-src-stable-10@FreeBSD.ORG Sat Apr 5 14:24:30 2014 Return-Path: Delivered-To: svn-src-stable-10@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 17A6855E; Sat, 5 Apr 2014 14:24:30 +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 02F02607; Sat, 5 Apr 2014 14:24:30 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s35EOTVf021479; Sat, 5 Apr 2014 14:24:29 GMT (envelope-from kib@svn.freebsd.org) Received: (from kib@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s35EOTr3021476; Sat, 5 Apr 2014 14:24:29 GMT (envelope-from kib@svn.freebsd.org) Message-Id: <201404051424.s35EOTr3021476@svn.freebsd.org> From: Konstantin Belousov Date: Sat, 5 Apr 2014 14:24:29 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r264147 - in stable/10/sys: amd64/amd64 i386/i386 X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-10@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: SVN commit messages for only the 10-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Apr 2014 14:24:30 -0000 Author: kib Date: Sat Apr 5 14:24:29 2014 New Revision: 264147 URL: http://svnweb.freebsd.org/changeset/base/264147 Log: MFC r263912: Clear the kernel grab of the FPU state on fork. Modified: stable/10/sys/amd64/amd64/vm_machdep.c stable/10/sys/i386/i386/vm_machdep.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/amd64/amd64/vm_machdep.c ============================================================================== --- stable/10/sys/amd64/amd64/vm_machdep.c Sat Apr 5 14:09:16 2014 (r264146) +++ stable/10/sys/amd64/amd64/vm_machdep.c Sat Apr 5 14:24:29 2014 (r264147) @@ -446,7 +446,8 @@ cpu_set_upcall(struct thread *td, struct * values here. */ bcopy(td0->td_pcb, pcb2, sizeof(*pcb2)); - clear_pcb_flags(pcb2, PCB_FPUINITDONE | PCB_USERFPUINITDONE); + clear_pcb_flags(pcb2, PCB_FPUINITDONE | PCB_USERFPUINITDONE | + PCB_KERNFPU); pcb2->pcb_save = get_pcb_user_save_pcb(pcb2); bcopy(get_pcb_user_save_td(td0), pcb2->pcb_save, cpu_max_ext_state_size); Modified: stable/10/sys/i386/i386/vm_machdep.c ============================================================================== --- stable/10/sys/i386/i386/vm_machdep.c Sat Apr 5 14:09:16 2014 (r264146) +++ stable/10/sys/i386/i386/vm_machdep.c Sat Apr 5 14:24:29 2014 (r264147) @@ -457,7 +457,8 @@ cpu_set_upcall(struct thread *td, struct * values here. */ bcopy(td0->td_pcb, pcb2, sizeof(*pcb2)); - pcb2->pcb_flags &= ~(PCB_NPXINITDONE | PCB_NPXUSERINITDONE); + pcb2->pcb_flags &= ~(PCB_NPXINITDONE | PCB_NPXUSERINITDONE | + PCB_KERNNPX); pcb2->pcb_save = &pcb2->pcb_user_save; /*