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Date:   Tue, 24 Jan 2017 23:38:29 +0530
From:   Hari Bathini <hbathini@...ux.vnet.ibm.com>
To:     Michael Ellerman <mpe@...erman.id.au>, linux-kernel@...r.kernel.org
Cc:     fenghua.yu@...el.com, tony.luck@...el.com,
        linux-ia64@...r.kernel.org, dyoung@...hat.com,
        kexec@...ts.infradead.org,
        Mahesh J Salgaonkar <mahesh@...ux.vnet.ibm.com>,
        ebiederm@...ssion.com, linuxppc-dev@...ts.ozlabs.org,
        vgoyal@...hat.com
Subject: Re: [PATCH v4 2/5] ia64: reuse append_elf_note() and final_note()
 functions



On Friday 20 January 2017 11:17 AM, Michael Ellerman wrote:
> Hari Bathini <hbathini@...ux.vnet.ibm.com> writes:
>
>> Get rid of multiple definitions of append_elf_note() & final_note()
>> functions. Reuse these functions compiled under CONFIG_CRASH_CORE
>> Also, define Elf_Word and use it instead of generic u32 or the more
>> specific Elf64_Word.
>>
>> Signed-off-by: Hari Bathini <hbathini@...ux.vnet.ibm.com>
>> ---
>>
>> Changes from v3:
>> * Dropped hard-coded values and used DIV_ROUND_UP().
>>
>> Changes from v2:
>> * Added a definition for Elf_Word.
>> * Used IA64 version of append_elf_note() and final_note() functions.
>>
>>
>>   arch/ia64/kernel/crash.c   |   22 ----------------------
>>   include/linux/crash_core.h |    4 ++++
>>   include/linux/elf.h        |    2 ++
>>   kernel/crash_core.c        |   34 ++++++++++++++--------------------
>>   kernel/kexec_core.c        |   28 ----------------------------
>>   5 files changed, 20 insertions(+), 70 deletions(-)
> Do the powerpc patches later in the series actually depend on this one?
> Or is this just an unrelated cleanup?
>
> As it is I can't merge the series until we at least get an ack on this
> from the ia64 folks.
>
> If you can just split this out as a separate patch that would make it a
> lot easier to get the rest merged.
>

Hi Michael,

append_elf_note() & final_note() functions were defined statically at 
three different places,
arch/powerpc/kernel/fadump.c being one of them. With my changes, I would 
need to add
a fourth static definition if I ignore this cleanup. So, I preferred to 
clean this up...

Let me ping IA64 folks one last time. Will do a respin without the 
cleanup if I don't get
any response from them by end of this week..

Thanks
Hari

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