From owner-freebsd-bugs  Fri Jul 23 12:42:59 1999
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Date: Fri, 23 Jul 1999 12:40:02 -0700 (PDT)
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From: Luoqi Chen <luoqi@chen.eu.org>
Subject: Re: kern/11287: rfork(RFMEM...) doesn't share LDTs set by i386_set_ldt, breaking wine
Reply-To: Luoqi Chen <luoqi@chen.eu.org>
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The following reply was made to PR kern/11287; it has been noted by GNATS.

From: Luoqi Chen <luoqi@chen.eu.org>
To: luoqi@chen.ml.org, nox@jelal.kn-bremen.de
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: kern/11287: rfork(RFMEM...) doesn't share LDTs set by i386_set_ldt, breaking wine
Date: Fri, 23 Jul 1999 15:29:23 -0400 (EDT)

 > > > I have an implementation based on -current (I don't have any machine
 > > > running -stable), you may want to take a look at, the patch is at
 > > > http://www.freebsd.org/~luoqi
 >
 > I just found out this doesn't work if VM86 is not used, heres the fix:
 >
 > Index: sys/i386/i386/vm_machdep.c
 > @@ -69,6 +69,9 @@
 >  #include <machine/pcb_ext.h>
 >  #include <machine/vm86.h>
 >  #endif
 > +#ifdef USER_LDT
 > +#include <machine/pcb_ext.h>
 > +#endif
 >  
 >  #include <vm/vm.h>
 >  #include <vm/vm_param.h>
 >
 Yes, I'll update the patch set to include this change and the use of
 smp_rendezvous() function to synchronize among cpus.
 
 Thanks
 -lq
 


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