linux-kernel - Re: [PATCH v2 2/7] kexec_file, x86, powerpc: factor out kexec_file

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Date:   Wed, 14 Mar 2018 13:14:40 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com>,
        Dave Young <dyoung@...hat.com>
Cc:     AKASHI Takahiro <takahiro.akashi@...aro.org>, vgoyal@...hat.com,
        bhe@...hat.com, prudo@...ux.vnet.ibm.com,
        kexec@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Subject: Re: [PATCH v2 2/7] kexec_file, x86, powerpc: factor out kexec_file_ops functions

Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com> writes:

> Dave Young <dyoung@...hat.com> writes:
>
>> On 03/06/18 at 07:22pm, AKASHI Takahiro wrote:
>>> As arch_kexec_kernel_image_{probe,load}(),
>>> arch_kimage_file_post_load_cleanup() and arch_kexec_kernel_verify_sig()
>>> are almost duplicated among architectures, they can be commonalized with
>>> an architecture-defined kexec_file_ops array. So let's factor them out.
>>> 
>>> Signed-off-by: AKASHI Takahiro <takahiro.akashi@...aro.org>
>>> Cc: Dave Young <dyoung@...hat.com>
>>> Cc: Vivek Goyal <vgoyal@...hat.com>
>>> Cc: Baoquan He <bhe@...hat.com>
>>> Cc: Michael Ellerman <mpe@...erman.id.au>
>>> Cc: Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com>
>>> ---
>>>  arch/powerpc/include/asm/kexec.h            |  2 +-
>>>  arch/powerpc/kernel/kexec_elf_64.c          |  2 +-
>>>  arch/powerpc/kernel/machine_kexec_file_64.c | 39 ++-----------------
>>>  arch/x86/include/asm/kexec-bzimage64.h      |  2 +-
>>>  arch/x86/kernel/kexec-bzimage64.c           |  2 +-
>>>  arch/x86/kernel/machine_kexec_64.c          | 45 +---------------------
>>>  include/linux/kexec.h                       | 13 +++----
>>>  kernel/kexec_file.c                         | 60 +++++++++++++++++++++++++++--
>>>  8 files changed, 71 insertions(+), 94 deletions(-)
>>> 
>>
>> For this patch it also needs some review from powerpc people. 
>
> FWIW:
>
> Reviewed-by: Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com>
>
> Also, tested on a ppc64le KVM guest:
>
> Tested-by: Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com>

Thanks for testing. It looks OK to me.

Acked-by: Michael Ellerman <mpe@...erman.id.au> (powerpc)

cheers