Hi Jonathan. On Monday 16 July 2007 07:00:29 Jonathan Campbell wrote: > I wrote a set of patches out of concern that even if you compile a 386 > kernel a lot of code irrelevent to legacy machines still remains. Things > like the Pentium TSC register, DMI information, ESCD parsing, and the > use of CPUID do not apply to these machines, but looking at System.map > you can see they're still there. > > Already with these patches I can compile a zImage kernel that is 450kb > large (890kb decompressed) with a small initramfs payload, floppy and > kernel module support, FPU emulation, that can successfully boot on an > ancient 386 laptop with only 1MB of extended memory. Eventually what I'd > like to have is the ability to compile a pure 386 kernel with all > non-386 functions removed (and perhaps the same for 486 machines). > > These patches were written against the vanilla 2.6.21.1 kernel. They > will have no effect UNLESS you make menuconfig and explicitly enable > them there. Would you please make mrproper before preparing the patch? It's harder to read with all the "Only in..." lines. Regards, Nigel
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