diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 1999-05-21 17:49:48 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 1999-05-21 17:49:48 +0000 |
| commit | 0989baf380d734695e2721bab097b80e2e6547ff (patch) | |
| tree | de317e4c9c67ae82ea97023a3221c692f5c96aa8 | |
| parent | 777fa505608ad143efc333d1b504c7f55fdccfa0 (diff) | |
zero the fpu_curproc on proc exit, clarify the cpu_swapout()'s job
| -rw-r--r-- | sys/arch/hppa/hppa/vm_machdep.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/arch/hppa/hppa/vm_machdep.c b/sys/arch/hppa/hppa/vm_machdep.c index 93eba876597..9279192d540 100644 --- a/sys/arch/hppa/hppa/vm_machdep.c +++ b/sys/arch/hppa/hppa/vm_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vm_machdep.c,v 1.4 1999/04/20 20:45:37 mickey Exp $ */ +/* $OpenBSD: vm_machdep.c,v 1.5 1999/05/21 17:49:47 mickey Exp $ */ #include <sys/param.h> #include <sys/systm.h> @@ -96,7 +96,10 @@ void cpu_swapout(p) struct proc *p; { - /* FPU save state */ + /* + * explicit FPU save state, since user area might get + * swapped out as well, and won't be able to save it no more + */ } void @@ -152,11 +155,11 @@ void cpu_exit(p) struct proc *p; { - /* FPU: save state */ - + extern struct proc *fpu_curproc; /* from machdep.c */ uvmexp.swtch++; curproc = NULL; + fpu_curproc = NULL; uvmspace_free(p->p_vmspace); /* XXX should be in the locore? */ |