Author: kib
Date: Sat Apr 5 14:24:45 2014
New Revision: 264148
URL: http://svnweb.freebsd.org/changeset/base/264148
Log:
MFC r263912:
Clear the kernel grab of the FPU state on fork.
Modified:
stable/9/sys/amd64/amd64/vm_machdep.c
stable/9/sys/i386/i386/vm_machdep.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/amd64/amd64/vm_machdep.c
==============================================================================
--- stable/9/sys/amd64/amd64/vm_machdep.c Sat Apr 5 14:24:29 2014
(r264147)
+++ stable/9/sys/amd64/amd64/vm_machdep.c Sat Apr 5 14:24:45 2014
(r264148)
@@ -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/9/sys/i386/i386/vm_machdep.c
==============================================================================
--- stable/9/sys/i386/i386/vm_machdep.c Sat Apr 5 14:24:29 2014
(r264147)
+++ stable/9/sys/i386/i386/vm_machdep.c Sat Apr 5 14:24:45 2014
(r264148)
@@ -444,7 +444,8 @@ 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;
/*
_______________________________________________
svn-src-stable-9@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-stable-9
To unsubscribe, send any mail to "svn-src-stable-9-unsubscr...@freebsd.org"
