Re: [PATCH] smpboot.c: move setup_vector_irq after set_cpu_online

[Xiao, Jin]

Hi tglx,

On 7/2/2015 8:50 PM, Thomas Gleixner wrote:
> The whole vector stuff is racy versus cpu hotplug and Jins patch
> merily addresses a small part of it and by doing that it breaks stuff
> as well.
>
> With that patch we move the vector setup after marking the cpu online,
> which is wrong because the vector array on that cpu is not up to date
> until we call __setup_vector_irq(). Proper patch below.
>
> We still have an issue in the cpu_disable() patch, but I haven't yet
> wrapped my head around it completely.
>
> Thanks,
>
> 	tglx

Your patch is better. Thanks.

Jin
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