Mika Penttilä <[email protected]> writes: >> When choosing a random address, the current implementation does not take into >> account the reversed space for .bss and .brk sections. Thus the relocated >> kernel >> may overlap other components in memory, e.g. the initrd image: > > initrd should be included in the avoid arrays already, and bss is > included in the output_size > > for choose_kernel_location(). So something else is going on?
output_size = sizeof(vmlinux.bin) + sizeof(vmlinux.relocs) vmlinux.bin is an ELF file that contains a section header for .bss. Thus output_size does not include sizeof(.bss). Best Regards Junjie Mao > > --Mika > > On Thu, Oct 30, 2014 at 9:06 PM, Mika Penttilä > <[email protected]> wrote: >>> When choosing a random address, the current implementation does not take >>> into >>> account the reversed space for .bss and .brk sections. Thus the relocated >>> kernel >>> may overlap other components in memory, e.g. the initrd image: >> >> initrd should be included in the avoid arrays already, and bss is included >> in the output_size >> >> for choose_kernel_location(). So something else is going on? >> >> --Mika >> >> -- 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/
