Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH] use x86 cpu park to speedup smp_init in kexec situation | Date | Wed, 16 Dec 2020 11:12:49 +0100 |
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Kai,
On Wed, Dec 16 2020 at 16:45, shenkai wrote: > 在 2020/12/16 5:20, Thomas Gleixner 写道: >> >> > Thanks for your and Andy's precious comments. I would like to take a try on > > reconstructing this patch to make it more decent and generic.
>> It would be interesting to see the numbers just with play_dead() using >> hlt() or mwait(eax=0, 0) for the kexec case and no other change at all.
Can you please as a first step look into this and check if the time changes?
Thanks,
tglx
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