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SubjectRe: A system for rebootless kernel security updates

> And those patent descriptions, by the way, remind the way kexec works
> ("A software module is hotpatched by loading a patch into memory and
> modifying an instruction in the original module to jump to the patch"),
> which was released much earlier... In essence, they patented kexec ;)

The basic patching idea is old and has been used many times, long
predating kexec. e.g. it's a common way to implement incremental linkers
too.

-Andi



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