linux-kernel - Re: [PATCH] powerpc/kexec_file: Restore FDT size estimation for kdump kernel

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Message-ID: <878s7jy693.fsf@manicouagan.localdomain>
Date:   Fri, 19 Feb 2021 20:42:16 -0300
From:   Thiago Jung Bauermann <bauerman@...ux.ibm.com>
To:     Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>
Cc:     linuxppc-dev@...ts.ozlabs.org, kexec@...ts.infradead.org,
        Hari Bathini <hbathini@...ux.ibm.com>,
        Rob Herring <robh@...nel.org>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/kexec_file: Restore FDT size estimation for
 kdump kernel


Lakshmi Ramasubramanian <nramas@...ux.microsoft.com> writes:

> On 2/19/21 6:25 AM, Thiago Jung Bauermann wrote:
>
> One small nit in the function header (please see below), but otherwise the
> change looks good.
>
> Reviewed-by: Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>

Thanks for your review. I incorporated your suggestion and will send v2
shortly.

>> --- a/arch/powerpc/kexec/file_load_64.c
>> +++ b/arch/powerpc/kexec/file_load_64.c
>> @@ -927,37 +927,27 @@ int setup_purgatory_ppc64(struct kimage *image, const void *slave_code,
>>   }
>>     /**
>> - * kexec_fdt_totalsize_ppc64 - Return the estimated size needed to setup FDT
>> - *                             for kexec/kdump kernel.
>> - * @image:                     kexec image being loaded.
>> + * kexec_extra_fdt_size_ppc63 - Return the estimated size needed to setup FDT
>
> Perhaps change to
>
> "Return the estimated additional size needed to setup FDT for kexec/kdump
> kernel"?

That's better indeed. I also hadn't noticed that I changed ppc64 to
ppc63. Fixed as well.

-- 
Thiago Jung Bauermann
IBM Linux Technology Center