Re: [PATCH v8 1/2] x86/kexec: add a new atomic notifier list for kdump

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于 2012年11月27日 09:49, Eric W. Biederman 写道:
> Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx> 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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