On 11/04/2014 12:49 AM, Jan Beulich wrote: > Observing that per-CPU data (in the SMP case) is reachable by > exploiting 64-bit address wraparound, these two patches > arrange for using the one byte shorter RIP-relative addressing > forms for the majority of per-CPU accesses. > > 1: handle PC-relative relocations on per-CPU data > 2: use RIP-relative addressing for most per-CPU accesses > > Signed-off-by: Jan Beulich <jbeul...@suse.com> >
I'm lost here. Can you give an example of a physical and virtual address of an instruction, the address within the gs segment, and why the relocations are backwards? --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
