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Index: head/sys/arm/arm/machdep.c
===================================================================
--- head/sys/arm/arm/machdep.c
+++ head/sys/arm/arm/machdep.c
@@ -408,17 +408,18 @@
static void
get_vfpcontext(struct thread *td, mcontext_vfp_t *vfp)
{
- struct pcb *curpcb;
+ struct pcb *pcb;
- curpcb = curthread->td_pcb;
- critical_enter();
-
- vfp_store(&curpcb->pcb_vfpstate, false);
- memcpy(vfp->mcv_reg, curpcb->pcb_vfpstate.reg,
+ pcb = td->td_pcb;
+ if (td == curthread) {
+ critical_enter();
+ vfp_store(&pcb->pcb_vfpstate, false);
+ critical_exit();
+ } else
+ MPASS(TD_IS_SUSPENDED(td));
+ memcpy(vfp->mcv_reg, pcb->pcb_vfpstate.reg,
sizeof(vfp->mcv_reg));
- vfp->mcv_fpscr = curpcb->pcb_vfpstate.fpscr;
-
- critical_exit();
+ vfp->mcv_fpscr = pcb->pcb_vfpstate.fpscr;
}
/*
@@ -427,17 +428,18 @@
static void
set_vfpcontext(struct thread *td, mcontext_vfp_t *vfp)
{
- struct pcb *curpcb;
+ struct pcb *pcb;
- curpcb = curthread->td_pcb;
- critical_enter();
-
- vfp_discard(td);
- memcpy(curpcb->pcb_vfpstate.reg, vfp->mcv_reg,
- sizeof(curpcb->pcb_vfpstate.reg));
- curpcb->pcb_vfpstate.fpscr = vfp->mcv_fpscr;
-
- critical_exit();
+ pcb = td->td_pcb;
+ if (td == curthread) {
+ critical_enter();
+ vfp_discard(td);
+ critical_exit();
+ } else
+ MPASS(TD_IS_SUSPENDED(td));
+ memcpy(pcb->pcb_vfpstate.reg, vfp->mcv_reg,
+ sizeof(pcb->pcb_vfpstate.reg));
+ pcb->pcb_vfpstate.fpscr = vfp->mcv_fpscr;
}
#endif

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