Date: Mon, 2 Apr 2007 15:30:41 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: John Baldwin <jhb@freebsd.org> Cc: Marcel Moolenaar <marcel@freebsd.org>, Perforce Change Reviews <perforce@freebsd.org> Subject: Re: PERFORCE change 117140 for review Message-ID: <20070402152910.A82995@fledge.watson.org> In-Reply-To: <200704020915.03985.jhb@freebsd.org> References: <200704012152.l31LqHuB022635@repoman.freebsd.org> <200704020915.03985.jhb@freebsd.org>
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On Mon, 2 Apr 2007, John Baldwin wrote: >> @@ -40,6 +40,7 @@ >> int pc_inside_intr; \ >> struct pmap *pc_curpmap; /* current pmap */ \ >> struct thread *pc_fputhread; /* current fpu user */ \ >> + int pc_bsp:1; \ > > FYI, other places in MI code assume that CPU 0 (pc_cpuid) is the BSP. I realized the hard way, the other day, that the boot thread itself can migrate to another CPU during sysinit processing, once SMP is kicked off. No more KASSERT(curcpu == 0, ()) for me. :-) Robert N M Watson Computer Laboratory University of Cambridge
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