[PATCH v5 04/13] powerpc: Factor out relocation code from module_64.c to elf_util_64.c.

Thiago Jung Bauermann bauerman at linux.vnet.ibm.com
Wed Aug 24 10:53:12 AEST 2016

Am Mittwoch, 24 August 2016, 10:50:26 schrieb Oliver O'Halloran:
> On Tue, Aug 23, 2016 at 1:21 PM, Balbir Singh <bsingharora at gmail.com> 
> >> zImage on ppc64 BE is an ELF32 file. This patch set only supports
> >> loading
> >> ELF files of the same class as the kernel, so a 64 bit kernel can't
> >> load an ELF32 file. It would be possible to add such support, but it
> >> would be a new feature.
> >> 
> >> The distros I was able to check on ppc64 LE and BE all use vmlinux.
> >> kexec-tools with kexec_load also doesn't support zImage. Do you think
> >> it is important to support zImage?
> > 
> > Well if it didn't work already, I think its low priority. Michael should
> > be able to confirm this. Oliver's been trying to cleanup the zImage to
> > get rid the old zImage limitation, cc'ing him
> I don't think it's ever worked so I wouldn't worry too much about
> supporting it. Fixing kexec-into-zImage and fixing the 32bit wrapper
> on 64bit BE kernel problem has been on my TODO list for a while, but
> it's not a priority.

Ok, thanks for your input.

Thiago Jung Bauermann
IBM Linux Technology Center

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