Re: [PATCH] x86_64: Fix for move of per-cpu variables into struct pcpu_hot

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On 2022/12/12 16:55, HAGIO KAZUHITO(萩尾 一仁) wrote:
> On 2022/12/12 16:34, lijiang wrote:
>> On Wed, Dec 7, 2022 at 8:47 AM HAGIO KAZUHITO(萩尾 一仁) <k-hagio-ab@xxxxxxx> wrote:
>>>
>>> The following kernel commits (in linux-next now, to be updated)
>>> introduced struct pcpu_hot and moved several per-cpu variables into it.
>>>
>>>      d7b6d709a76a x86/percpu: Move irq_stack variables next to current_task
>>>      7443b296e699 x86/percpu: Move cpu_number next to current_task
>>>      e57ef2ed97c1 x86: Put hot per CPU variables into a struct
>>>
>>> Without the patch, crash fails to start session with the following
>>> error:
>>>
>>>      bt: invalid size request: 0  type: "stack contents"
>>>      bt: read of stack at 0 failed
>>>         <segmentation violation in gdb>
>>>
>>
>> Thank you for the early fix, Kazu.
>>
>> This change looks good. So: Ack
> 
> Thanks for the review, I will update and apply this when the kernel
> patches land on the mainline.

Now I can see the patches above in the mainline, so applied.
https://github.com/crash-utility/crash/commit/df1f0cba729fa0e0d8a63220769c42cc9033acc1

(sorry, sending again due to lack of destination)

Thanks,
Kazu
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