Messages in this thread |  | | From | (H. Peter Anvin) | Subject | Re: 1.3.100: My notes, as usual | Date | 4 Jun 1996 15:53:56 GMT |
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In article <199605122039.WAA26428@wildsau.idv.uni-linz.ac.at>, Herbert Rosmanith <herp@wildsau.idv.uni-linz.ac.at> wrote: >> >> Minor thing: Is it necessary to include math_emu.h in >> asm-i386/processor.h unconditionally. Isn't math emulation >> configurable, or is that file used outside the emulator? Sounds a bit >> broken, too. > >I wonder if a kernel, that has math-emu configured, makes use of the >emulation, when it detects the co-prozessor at bootup time. Maybe it >throws out the emulation then ? I think, the math-emu code could >probably be built as a module (yet I have no idea how to rewrite it :) >
No on both counts. The Linux kernel currently has no facility for throwing out compiled code (it would require at least as and ld hacks.) Nor could it be built as a module, since there is no way to get to the point where it could be inserted.
-hpa
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