Re: [PATCH v5 1/4] powerpc/fadump: un-register fadump on kexec path.

[Mahesh Jagannath Salgaonkar <mahesh@linux.vnet.ibm.com>]

On 04/26/2018 07:10 PM, Nicholas Piggin wrote:
> On Thu, 26 Apr 2018 18:35:10 +0530
> Mahesh Jagannath Salgaonkar <mahesh@linux.vnet.ibm.com> wrote:
> 
>> On 04/26/2018 06:28 PM, Nicholas Piggin wrote:
>>> On Thu, 26 Apr 2018 17:12:03 +0530
>>> Mahesh J Salgaonkar <mahesh@linux.vnet.ibm.com> wrote:
>>>   
>>>> From: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
>>>>
>>>> otherwise the fadump registration in new kexec-ed kernel complains that
>>>> fadump is already registered. This makes new kernel to continue using
>>>> fadump registered by previous kernel which may lead to invalid vmcore
>>>> generation. Hence this patch fixes this issue by un-registering fadump
>>>> in fadump_cleanup() which is called during kexec path so that new kernel
>>>> can register fadump with new valid values.  
>>>
>>> I assume this series is for 4.17, but it might be good to get this one
>>> into the 4.16 fixes branch? Should it go to stable kernels?  
>>
>> You are right. Should I send it out as separate patch ?
> 
> Yes I think so.

Done posted it separately (http://patchwork.ozlabs.org/patch/905508/)
Ignore this patch from this series.

Thanks,
-Mahesh.