Re: [PATCH v2 2/7] kexec_file, x86, powerpc: factor out kexec_file_ops functions

From: Michael Ellerman
Date: Tue Mar 13 2018 - 22:14:46 EST


Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxxxxxxx> writes:

> Dave Young <dyoung@xxxxxxxxxx> 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@xxxxxxxxxx>
>>> Cc: Dave Young <dyoung@xxxxxxxxxx>
>>> Cc: Vivek Goyal <vgoyal@xxxxxxxxxx>
>>> Cc: Baoquan He <bhe@xxxxxxxxxx>
>>> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
>>> Cc: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxxxxxxx>
>>> ---
>>> 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@xxxxxxxxxxxxxxxxxx>
>
> Also, tested on a ppc64le KVM guest:
>
> Tested-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxxxxxxx>

Thanks for testing. It looks OK to me.

Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc)

cheers