On Tue, 20 Nov 2007, Andi Kleen wrote: > > > This limitation shouldn't apply to the percpu area, since gs_base can be > > pointed anywhere in the address space -- in effect we're always indirect. > > The initial reference copy of the percpu area has to be addressed by > the linker.
Right that is important for the percpu references that can be folded by the linker in order to avoid address calculations. > Hmm, in theory since it is not actually used by itself I suppose you could > move it into positive space. But the positive space is reserved for a processes memory. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
