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SubjectRe: [PATCH v8 1/2] x86/kexec: add a new atomic notifier list for kdump
于 2012年11月27日 09:49, Eric W. Biederman 写道:
> Zhang Yanfei <zhangyanfei@cn.fujitsu.com> writes:
>
>> So in summary,
>>
>> 1. a specific callback function instead of a notifier?
>
> Yes.
>
>> 2. Instead of calling vmclear_local_loaded_vmcss, the vmclear operation
>> will just call the vmclear on every vmcss loaded on the cpu?
>>
>> like below:
>>
>> static void crash_vmclear_local_loaded_vmcss(void)
>> {
>> int cpu = raw_smp_processor_id();
>> struct loaded_vmcs *v, *n;
>>
>> if (!crash_local_vmclear_enabled(cpu))
>> return;
>>
>> list_for_each_entry_safe(v, n, &per_cpu(loaded_vmcss_on_cpu, cpu),
>> loaded_vmcss_on_cpu_link)
>> vmcs_clear(v->vmcs);
>> }
>>
>> right?
>
> Yeah that looks good. I would do list_for_each_entry because the list
> isn't changing.

OK.

I will update the patch and resend it.

Zhang


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