D38000.id115252.diff
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D38000.id115252.diff
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	diff --git a/sys/arm64/arm64/exec_machdep.c b/sys/arm64/arm64/exec_machdep.c
	--- a/sys/arm64/arm64/exec_machdep.c
	+++ b/sys/arm64/arm64/exec_machdep.c
	@@ -519,8 +519,7 @@
	#ifdef VFP
	struct pcb *curpcb;

	- critical_enter();
	-
	+ MPASS(td == curthread);
	if ((mcp->mc_flags & _MC_FP_VALID) != 0) {
	curpcb = curthread->td_pcb;

	@@ -528,7 +527,9 @@
	* Discard any vfp state for the current thread, we
	* are about to override it.
	*/
	+ critical_enter();
	vfp_discard(td);
	+ critical_exit();

	KASSERT(curpcb->pcb_fpusaved == &curpcb->pcb_fpustate,
	("Called set_fpcontext while the kernel is using the VFP"));
	@@ -538,8 +539,6 @@
	curpcb->pcb_fpustate.vfp_fpsr = mcp->mc_fpregs.fp_sr;
	curpcb->pcb_fpflags = mcp->mc_fpregs.fp_flags & PCB_FP_USERMASK;
	}
	-
	- critical_exit();
	#endif
	}