From: Thiago Jung Bauermann <bauerman@linux•vnet.ibm.com>
To: "Oliver O'Halloran" <oohall@gmail•com>
Cc: Balbir Singh <bsingharora@gmail•com>,
kexec@lists•infradead.org,
Stewart Smith <stewart@linux•vnet.ibm.com>,
Benjamin Herrenschmidt <benh@kernel•crashing.org>,
Baoquan He <bhe@redhat•com>,
linuxppc-dev@lists•ozlabs.org, x86@kernel•org,
"H. Peter Anvin" <hpa@zytor•com>,
linux-kernel@vger•kernel.org, Ingo Molnar <mingo@redhat•com>,
Paul Mackerras <paulus@samba•org>,
Eric Biederman <ebiederm@xmission•com>,
Michael Ellerman <mpe@ellerman•id.au>,
Thomas Gleixner <tglx@linutronix•de>,
Dave Young <dyoung@redhat•com>,
Andrew Morton <akpm@linux-foundation•org>,
Vivek Goyal <vgoyal@redhat•com>
Subject: Re: [PATCH v5 04/13] powerpc: Factor out relocation code from module_64.c to elf_util_64.c.
Date: Tue, 23 Aug 2016 21:53:12 -0300 [thread overview]
Message-ID: <2306975.WkzT978XXa@hactar> (raw)
In-Reply-To: <CAOSf1CGyfz97NLyrfxkHZ3-Hwq7R2ZsN8L3f3=aEjH0zyToz3A@mail.gmail.com>
Am Mittwoch, 24 August 2016, 10:50:26 schrieb Oliver O'Halloran:
> On Tue, Aug 23, 2016 at 1:21 PM, Balbir Singh <bsingharora@gmail•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
next prev parent reply other threads:[~2016-08-24 0:53 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-11 23:08 [PATCH v5 00/13] kexec_file_load implementation for PowerPC Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 01/13] kexec_file: Allow arch-specific memory walking for kexec_add_buffer Thiago Jung Bauermann
2016-08-13 6:56 ` Balbir Singh
2016-08-11 23:08 ` [PATCH v5 02/13] kexec_file: Change kexec_add_buffer to take kexec_buf as argument Thiago Jung Bauermann
2016-08-15 7:30 ` Balbir Singh
2016-08-15 14:49 ` Thiago Jung Bauermann
2016-08-16 6:15 ` Balbir Singh
2016-08-16 18:49 ` Thiago Jung Bauermann
2016-08-17 2:04 ` Balbir Singh
2016-08-11 23:08 ` [PATCH v5 03/13] kexec_file: Factor out kexec_locate_mem_hole from kexec_add_buffer Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 04/13] powerpc: Factor out relocation code from module_64.c to elf_util_64.c Thiago Jung Bauermann
2016-08-15 7:46 ` Balbir Singh
2016-08-15 23:25 ` Thiago Jung Bauermann
2016-08-16 6:52 ` Balbir Singh
2016-08-23 3:01 ` Thiago Jung Bauermann
2016-08-23 3:21 ` Balbir Singh
2016-08-24 0:50 ` Oliver O'Halloran
2016-08-24 0:53 ` Thiago Jung Bauermann [this message]
2016-08-11 23:08 ` [PATCH v5 05/13] powerpc: Generalize elf64_apply_relocate_add Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 06/13] powerpc: Adapt elf64_apply_relocate_add for kexec_file_load Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 07/13] powerpc: Add functions to read ELF files of any endianness Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 08/13] powerpc: Implement kexec_file_load Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 09/13] powerpc: Add code to work with device trees in kexec_file_load Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 10/13] powerpc: Add support for loading ELF kernels with kexec_file_load Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 11/13] powerpc: Allow userspace to set device tree properties in kexec_file_load Thiago Jung Bauermann
2016-08-12 0:45 ` Samuel Mendoza-Jonas
2016-08-12 0:54 ` Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 12/13] powerpc: Add purgatory for kexec_file_load implementation Thiago Jung Bauermann
2016-08-11 23:08 ` [PATCH v5 13/13] powerpc: Enable CONFIG_KEXEC_FILE in powerpc server defconfigs Thiago Jung Bauermann
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