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Date: Tue, 23 Aug 2016 21:53:12 -0300 From: Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com> To: "Oliver O'Halloran" <oohall@...il.com> Cc: Balbir Singh <bsingharora@...il.com>, kexec@...ts.infradead.org, Stewart Smith <stewart@...ux.vnet.ibm.com>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Baoquan He <bhe@...hat.com>, linuxppc-dev@...ts.ozlabs.org, x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>, Paul Mackerras <paulus@...ba.org>, Eric Biederman <ebiederm@...ssion.com>, Michael Ellerman <mpe@...erman.id.au>, Thomas Gleixner <tglx@...utronix.de>, Dave Young <dyoung@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>, Vivek Goyal <vgoyal@...hat.com> Subject: Re: [PATCH v5 04/13] powerpc: Factor out relocation code from module_64.c to elf_util_64.c. Am Mittwoch, 24 August 2016, 10:50:26 schrieb Oliver O'Halloran: > On Tue, Aug 23, 2016 at 1:21 PM, Balbir Singh <bsingharora@...il.com> wrote: > >> 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. -- []'s Thiago Jung Bauermann IBM Linux Technology Center
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