On 07/19/17 15:47, Thomas Garnier wrote: > On Wed, Jul 19, 2017 at 3:33 PM, H. Peter Anvin <h...@zytor.com> wrote: >> On 07/18/17 15:33, Thomas Garnier wrote: >>> The x86 relocation tool generates a list of 32-bit signed integers. There >>> was no need to use 64-bit integers because all addresses where above the 2G >>> top of the memory. >>> >>> This change add a large-reloc option to generate 64-bit unsigned integers. >>> It can be used when the kernel plan to go below the top 2G and 32-bit >>> integers are not enough. >> >> Why on Earth? This would only be necessary if the *kernel itself* was >> more than 2G, which isn't going to happen for the forseeable future. > > Because the relocation integer is an absolute address, not an offset > in the binary. Next iteration, I can try using a 32-bit offset for > everyone.
It is an absolute address *as the kernel was originally linked*, for obvious reasons. -hpa _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel