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> > and I don't believe this one yota. THe only way to do this is to run > > modules in ring 1, at which point you are in deep shit anyway. > > Not neccessarily. Its how Xen works on x86-32 for example. It keeps > itself protected from the entire Linux instance by using segmentation on it only works if you make a very small syscall-like area which you use to talk to the "real" kernel. Which is entirely not how linux modules work right now.... at which point you're just about a userspace application anyway. Might be an interesting research project of course... > 32bit processors (not 64bit however as x86-64 has no segments in 64bit) afaik x86-64 grew segments recently for 64 bit mode for an unnamed other virtualization vendor - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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