RE: [PATCH v3 [resend] 14/18] smp, x86, xen: kill SMP singlefunction call interrupt

From: Liu, Jinsong
Date: Sun Dec 15 2013 - 23:24:50 EST


Konrad Rzeszutek Wilk wrote:
> On Mon, Dec 16, 2013 at 12:36:36AM +0800, Jiang Liu wrote:
>> Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
>> similar to smp_call_function_single()" has unified the way to handle
>> single and multiple cross-CPU function calls. Now only one interrupt
>> is needed for architecture specific code to support generic SMP
>> function
>> call interfaces, so kill the redundant single function call
>> interrupt.
>>
>> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
>> Cc: Shaohua Li <shli@xxxxxxxxxx>
>> Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
>> Cc: Ingo Molnar <mingo@xxxxxxx>
>> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
>> Cc: Jiri Kosina <trivial@xxxxxxxxxx>
>> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
>> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
>
> I presume this has been tested?
>

I have just test Jiang's patch, it works fine for dom0 booting.

Thanks,
Jinsong


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