On Mon, Aug 12, 2013 at 10:47:37AM -0700, H. Peter Anvin wrote: > On 08/12/2013 09:09 AM, Peter Zijlstra wrote: > >> > >> On the majority of architectures, including x86, you cannot simply copy > >> a piece of code elsewhere and have it still work. > > > > I thought we used -fPIC which would allow just that. > > > > Doubly wrong. The kernel is not compiled with -fPIC, nor does -fPIC > allow this kind of movement for code that contains intramodule > references (that is *all* references in the kernel). Since we really > doesn't want to burden the kernel with a GOT and a PLT, that is life.
OK. never mind then..
