Re: [Help Test] kdump, x86, acpi: Reproduce CPU0 SMI corruption issue after unsetting BSP flag

HATAYAMA Daisuke
2013-08-19T09:15:02Z

(2013/08/19 11:59), Eric W. Biederman wrote:
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>>
>> Sorry Eric, I'm not clear to what you mean by ``short one core''...
>> Which are you suggesting? Disabling BSP if crash happens on AP is
>> reasonable?
>> Or restricting cpus to a single one only just as the current kdump
>> configuration is reasonable?
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> I am suggesting we start every cpu except the BSP from the AP we started on.
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> N-1 cpus seems like a good tradeoff between performance and reliability for those who need it.
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> Eric
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Thanks. I'm now clear.

Well, I'll post a version 2 patch after upgrading it for current upstream kernel.
But it would be next week or later.