Date: Fri, 1 Aug 2003 16:41:29 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Marcel Moolenaar <marcel@xcllnt.net> Cc: current@freebsd.org Subject: Re: NVidia glx stuff dies in sysarch(I386_SET_LDT, ...) Message-ID: <Pine.BSF.4.21.0308011640400.46065-100000@InterJet.elischer.org> In-Reply-To: <20030801233758.GA7023@dhcp01.pn.xcllnt.net>
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On Fri, 1 Aug 2003, Marcel Moolenaar wrote: > > Having a way to disallow using the static allocation should be easy > if we use compiler magic to test that the LDT entry is constant and > 0. If it is, all is ok (assuming that I'm not mistaken that we use a > 0 entry to indicate dynamic allocation -- I haven't actually paid > that close attention to it). If the LDT entry is non-constant, it > can still be 0 of course but I expect that to be a weird border case. note that a 0 value turns out to be valid.. we had thougth it was invalid when we did the dynamic code....
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