On Wed, 2008-08-13 at 11:27 +1000, Paul Mackerras wrote: > The following series of patches implement support for a relocatable > kernel by building it as a position-independent executable (PIE). > When the linker is given the -pie flag, it creates an executable that > contains dynamic relocations which can be used to relocate the image > at boot time for any desired base address. This patch series adds a > CONFIG_RELOCATABLE config option for 64-bit which links the kernel > with -pie and arranges to process the relocations in early boot. > > With the first 4 patches applied, a relocatable kernel will still copy > itself down to real address 0. The last patch changes things so that > a relocatable kernel will run wherever it was loaded. This last patch > is pretty much just a proof of concept since it doesn't do anything to > ensure appropriate alignment of the base address (the base address > needs to be 16kB aligned). We probably want to work out whether we > are a kdump kernel and run in-place if so, or copy down to 0 if not.
Is this mature enough for us to consider putting it in Fedora? We'd _love_ to stop building a separate kdump kernel for ppc64... -- dwmw2 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
